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/Problem14_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 20:39:59,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 20:39:59,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 20:39:59,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 20:39:59,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 20:39:59,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 20:39:59,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 20:39:59,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 20:39:59,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 20:39:59,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 20:39:59,697 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 20:39:59,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 20:39:59,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 20:39:59,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 20:39:59,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 20:39:59,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 20:39:59,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 20:39:59,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 20:39:59,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 20:39:59,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 20:39:59,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 20:39:59,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 20:39:59,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 20:39:59,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 20:39:59,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 20:39:59,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 20:39:59,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 20:39:59,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 20:39:59,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 20:39:59,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 20:39:59,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 20:39:59,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 20:39:59,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 20:39:59,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 20:39:59,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 20:39:59,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 20:39:59,727 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 20:39:59,742 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 20:39:59,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 20:39:59,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 20:39:59,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 20:39:59,744 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 20:39:59,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 20:39:59,745 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 20:39:59,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 20:39:59,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 20:39:59,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 20:39:59,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 20:39:59,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 20:39:59,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 20:39:59,746 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 20:39:59,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 20:39:59,746 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 20:39:59,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 20:39:59,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 20:39:59,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 20:39:59,747 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 20:39:59,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 20:39:59,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 20:39:59,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 20:39:59,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 20:39:59,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 20:39:59,749 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 20:39:59,749 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 20:39:59,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 20:39:59,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 20:39:59,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 20:39:59,790 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 20:39:59,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 20:39:59,795 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 20:39:59,795 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 20:39:59,796 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label34.c [2019-08-09 20:39:59,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7c5ae520/91cea93daf6442b7a1fa2ee6edb3a87c/FLAG576337e90 [2019-08-09 20:40:00,404 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 20:40:00,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label34.c [2019-08-09 20:40:00,421 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7c5ae520/91cea93daf6442b7a1fa2ee6edb3a87c/FLAG576337e90 [2019-08-09 20:40:00,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7c5ae520/91cea93daf6442b7a1fa2ee6edb3a87c [2019-08-09 20:40:00,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 20:40:00,705 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 20:40:00,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 20:40:00,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 20:40:00,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 20:40:00,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:40:00" (1/1) ... [2019-08-09 20:40:00,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64550694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:40:00, skipping insertion in model container [2019-08-09 20:40:00,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:40:00" (1/1) ... [2019-08-09 20:40:00,723 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 20:40:00,795 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 20:40:01,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:40:01,393 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 20:40:01,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:40:01,626 INFO L192 MainTranslator]: Completed translation [2019-08-09 20:40:01,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:40:01 WrapperNode [2019-08-09 20:40:01,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 20:40:01,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 20:40:01,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 20:40:01,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 20:40:01,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:40:01" (1/1) ... [2019-08-09 20:40:01,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:40:01" (1/1) ... [2019-08-09 20:40:01,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:40:01" (1/1) ... [2019-08-09 20:40:01,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:40:01" (1/1) ... [2019-08-09 20:40:01,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:40:01" (1/1) ... [2019-08-09 20:40:01,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:40:01" (1/1) ... [2019-08-09 20:40:01,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:40:01" (1/1) ... [2019-08-09 20:40:01,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 20:40:01,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 20:40:01,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 20:40:01,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 20:40:01,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:40:01" (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 20:40:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 20:40:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 20:40:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 20:40:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 20:40:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 20:40:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 20:40:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 20:40:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 20:40:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 20:40:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 20:40:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 20:40:03,707 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 20:40:03,707 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 20:40:03,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:40:03 BoogieIcfgContainer [2019-08-09 20:40:03,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 20:40:03,709 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 20:40:03,710 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 20:40:03,710 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 20:40:03,711 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:40:03" (1/1) ... [2019-08-09 20:40:18,993 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 20:40:19,001 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 20:40:19,004 INFO L168 Benchmark]: Toolchain (without parser) took 18297.85 ms. Allocated memory was 131.6 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 84.8 MB in the beginning and 224.5 MB in the end (delta: -139.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-09 20:40:19,004 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory is still 105.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 20:40:19,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 920.72 ms. Allocated memory was 131.6 MB in the beginning and 203.9 MB in the end (delta: 72.4 MB). Free memory was 84.8 MB in the beginning and 165.3 MB in the end (delta: -80.5 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. [2019-08-09 20:40:19,006 INFO L168 Benchmark]: Boogie Preprocessor took 141.56 ms. Allocated memory is still 203.9 MB. Free memory was 165.3 MB in the beginning and 159.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2019-08-09 20:40:19,008 INFO L168 Benchmark]: RCFGBuilder took 1939.68 ms. Allocated memory was 203.9 MB in the beginning and 224.9 MB in the end (delta: 21.0 MB). Free memory was 159.1 MB in the beginning and 155.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. [2019-08-09 20:40:19,009 INFO L168 Benchmark]: Symbolic Interpretation took 15291.51 ms. Allocated memory was 224.9 MB in the beginning and 1.2 GB in the end (delta: 947.4 MB). Free memory was 155.5 MB in the beginning and 224.5 MB in the end (delta: -69.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-09 20:40:19,013 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 85]: 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 411056#(and (= ~a21~0 6) (= ~a24~0 1) (< 80 ~a12~0) (= ~a15~0 6)). 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 131.6 MB. Free memory is still 105.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 920.72 ms. Allocated memory was 131.6 MB in the beginning and 203.9 MB in the end (delta: 72.4 MB). Free memory was 84.8 MB in the beginning and 165.3 MB in the end (delta: -80.5 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.56 ms. Allocated memory is still 203.9 MB. Free memory was 165.3 MB in the beginning and 159.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1939.68 ms. Allocated memory was 203.9 MB in the beginning and 224.9 MB in the end (delta: 21.0 MB). Free memory was 159.1 MB in the beginning and 155.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 15291.51 ms. Allocated memory was 224.9 MB in the beginning and 1.2 GB in the end (delta: 947.4 MB). Free memory was 155.5 MB in the beginning and 224.5 MB in the end (delta: -69.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...