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/Problem06_label04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:57:15,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:57:15,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:57:15,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:57:15,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:57:15,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:57:15,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:57:15,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:57:15,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:57:15,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:57:15,658 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:57:15,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:57:15,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:57:15,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:57:15,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:57:15,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:57:15,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:57:15,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:57:15,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:57:15,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:57:15,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:57:15,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:57:15,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:57:15,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:57:15,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:57:15,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:57:15,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:57:15,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:57:15,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:57:15,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:57:15,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:57:15,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:57:15,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:57:15,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:57:15,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:57:15,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:57:15,692 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 16:57:15,715 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:57:15,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:57:15,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:57:15,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:57:15,717 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:57:15,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:57:15,719 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:57:15,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:57:15,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:57:15,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:57:15,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:57:15,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:57:15,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:57:15,720 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:57:15,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:57:15,721 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:57:15,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:57:15,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:57:15,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:57:15,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:57:15,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:57:15,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:57:15,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:57:15,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:57:15,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:57:15,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:57:15,725 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:57:15,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:57:15,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:57:15,757 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:57:15,768 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:57:15,772 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:57:15,773 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:57:15,774 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:57:15,775 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label04.c [2019-08-09 16:57:15,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b657220d8/df0a3f95f32c461391a9a09c1f9ea710/FLAG8af389c07 [2019-08-09 16:57:16,798 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:57:16,799 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem06_label04.c [2019-08-09 16:57:16,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b657220d8/df0a3f95f32c461391a9a09c1f9ea710/FLAG8af389c07 [2019-08-09 16:57:17,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b657220d8/df0a3f95f32c461391a9a09c1f9ea710 [2019-08-09 16:57:17,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:57:17,248 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:57:17,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:57:17,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:57:17,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:57:17,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:57:17" (1/1) ... [2019-08-09 16:57:17,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@241d9fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:17, skipping insertion in model container [2019-08-09 16:57:17,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:57:17" (1/1) ... [2019-08-09 16:57:17,265 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:57:17,476 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:57:19,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:57:19,889 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:57:21,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:57:21,230 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:57:21,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:21 WrapperNode [2019-08-09 16:57:21,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:57:21,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:57:21,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:57:21,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:57:21,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:21" (1/1) ... [2019-08-09 16:57:21,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:21" (1/1) ... [2019-08-09 16:57:21,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:21" (1/1) ... [2019-08-09 16:57:21,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:21" (1/1) ... [2019-08-09 16:57:21,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:21" (1/1) ... [2019-08-09 16:57:21,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:21" (1/1) ... [2019-08-09 16:57:21,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:21" (1/1) ... [2019-08-09 16:57:21,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:57:21,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:57:21,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:57:21,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:57:21,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:21" (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 16:57:21,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:57:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:57:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:57:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 16:57:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 16:57:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 16:57:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-08-09 16:57:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:57:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:57:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 16:57:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 16:57:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 16:57:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-08-09 16:57:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:57:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:57:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:57:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:57:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:57:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:57:29,174 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:57:29,177 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:57:29,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:57:29 BoogieIcfgContainer [2019-08-09 16:57:29,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:57:29,181 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:57:29,181 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:57:29,181 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:57:29,182 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:57:29" (1/1) ... [2019-08-09 16:57:35,550 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:57:35,564 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:57:35,569 INFO L168 Benchmark]: Toolchain (without parser) took 18317.73 ms. Allocated memory was 179.8 MB in the beginning and 812.1 MB in the end (delta: 632.3 MB). Free memory was 142.0 MB in the beginning and 150.4 MB in the end (delta: -8.4 MB). Peak memory consumption was 624.1 MB. Max. memory is 7.1 GB. [2019-08-09 16:57:35,571 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 16:57:35,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3982.67 ms. Allocated memory was 179.8 MB in the beginning and 289.9 MB in the end (delta: 110.1 MB). Free memory was 141.3 MB in the beginning and 195.4 MB in the end (delta: -54.1 MB). Peak memory consumption was 199.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:57:35,574 INFO L168 Benchmark]: Boogie Preprocessor took 439.22 ms. Allocated memory is still 289.9 MB. Free memory was 195.4 MB in the beginning and 140.9 MB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:57:35,578 INFO L168 Benchmark]: RCFGBuilder took 7507.92 ms. Allocated memory was 289.9 MB in the beginning and 602.9 MB in the end (delta: 313.0 MB). Free memory was 140.9 MB in the beginning and 344.4 MB in the end (delta: -203.6 MB). Peak memory consumption was 265.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:57:35,579 INFO L168 Benchmark]: Symbolic Interpretation took 6383.39 ms. Allocated memory was 602.9 MB in the beginning and 812.1 MB in the end (delta: 209.2 MB). Free memory was 344.4 MB in the beginning and 150.4 MB in the end (delta: 194.0 MB). Peak memory consumption was 403.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:57:35,594 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9315]: 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 118191#(and (= ~a14~0 3) (= 13 ~a3~0) (= ~a27~0 19) (= ~a10~0 1) (= 1 ~a2~0) (= ~a25~0 1) (= ~a26~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3982.67 ms. Allocated memory was 179.8 MB in the beginning and 289.9 MB in the end (delta: 110.1 MB). Free memory was 141.3 MB in the beginning and 195.4 MB in the end (delta: -54.1 MB). Peak memory consumption was 199.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 439.22 ms. Allocated memory is still 289.9 MB. Free memory was 195.4 MB in the beginning and 140.9 MB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7507.92 ms. Allocated memory was 289.9 MB in the beginning and 602.9 MB in the end (delta: 313.0 MB). Free memory was 140.9 MB in the beginning and 344.4 MB in the end (delta: -203.6 MB). Peak memory consumption was 265.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6383.39 ms. Allocated memory was 602.9 MB in the beginning and 812.1 MB in the end (delta: 209.2 MB). Free memory was 344.4 MB in the beginning and 150.4 MB in the end (delta: 194.0 MB). Peak memory consumption was 403.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...