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/Problem10_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:50:10,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:50:10,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:50:10,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:50:10,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:50:10,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:50:10,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:50:10,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:50:10,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:50:10,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:50:10,687 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:50:10,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:50:10,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:50:10,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:50:10,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:50:10,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:50:10,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:50:10,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:50:10,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:50:10,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:50:10,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:50:10,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:50:10,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:50:10,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:50:10,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 11:50:10,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 11:50:10,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 11:50:10,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 11:50:10,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 11:50:10,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 11:50:10,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:50:10,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:50:10,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:50:10,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:50:10,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:50:10,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:50:10,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:50:10,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:50:10,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:50:10,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:50:10,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:50:10,715 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 [2019-08-14 11:50:10,741 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:50:10,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:50:10,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:50:10,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:50:10,744 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:50:10,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:50:10,745 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:50:10,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:50:10,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:50:10,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:50:10,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:50:10,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:50:10,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:50:10,747 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:50:10,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:50:10,748 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:50:10,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:50:10,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:50:10,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:50:10,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:50:10,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:50:10,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:50:10,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:50:10,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:50:10,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:50:10,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:50:10,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:50:10,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:50:10,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:50:10,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:50:10,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:50:10,831 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:50:10,832 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:50:10,833 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:50:10,834 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2019-08-14 11:50:10,898 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38a82c0a1/2399f0ec232a401c91544e10b39f9fdc/FLAG390fbeac6 [2019-08-14 11:50:11,475 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:50:11,476 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2019-08-14 11:50:11,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38a82c0a1/2399f0ec232a401c91544e10b39f9fdc/FLAG390fbeac6 [2019-08-14 11:50:11,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38a82c0a1/2399f0ec232a401c91544e10b39f9fdc [2019-08-14 11:50:11,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:50:11,711 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:50:11,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:50:11,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:50:11,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:50:11,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:50:11" (1/1) ... [2019-08-14 11:50:11,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66220cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:50:11, skipping insertion in model container [2019-08-14 11:50:11,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:50:11" (1/1) ... [2019-08-14 11:50:11,728 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:50:11,794 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:50:12,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:50:12,225 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:50:12,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:50:12,509 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:50:12,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:50:12 WrapperNode [2019-08-14 11:50:12,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:50:12,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:50:12,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:50:12,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:50:12,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:50:12" (1/1) ... [2019-08-14 11:50:12,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:50:12" (1/1) ... [2019-08-14 11:50:12,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:50:12" (1/1) ... [2019-08-14 11:50:12,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:50:12" (1/1) ... [2019-08-14 11:50:12,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:50:12" (1/1) ... [2019-08-14 11:50:12,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:50:12" (1/1) ... [2019-08-14 11:50:12,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:50:12" (1/1) ... [2019-08-14 11:50:12,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:50:12,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:50:12,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:50:12,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:50:12,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:50:12" (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 [2019-08-14 11:50:12,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:50:12,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:50:12,718 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:50:12,718 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:50:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:50:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:50:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:50:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:50:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:50:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:50:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:50:14,005 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:50:14,005 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:50:14,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:50:14 BoogieIcfgContainer [2019-08-14 11:50:14,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:50:14,007 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:50:14,008 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:50:14,008 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:50:14,009 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:50:14" (1/1) ... [2019-08-14 11:50:35,292 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:50:35,297 INFO L168 Benchmark]: Toolchain (without parser) took 23582.90 ms. Allocated memory was 140.0 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 85.0 MB in the beginning and 1.0 GB in the end (delta: -923.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-14 11:50:35,299 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 140.0 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:50:35,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 800.55 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 84.8 MB in the beginning and 169.7 MB in the end (delta: -84.9 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. [2019-08-14 11:50:35,304 INFO L168 Benchmark]: Boogie Preprocessor took 135.65 ms. Allocated memory is still 203.4 MB. Free memory was 169.7 MB in the beginning and 165.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:50:35,307 INFO L168 Benchmark]: RCFGBuilder took 1357.82 ms. Allocated memory was 203.4 MB in the beginning and 228.1 MB in the end (delta: 24.6 MB). Free memory was 165.1 MB in the beginning and 184.1 MB in the end (delta: -19.1 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. [2019-08-14 11:50:35,308 INFO L168 Benchmark]: Symbolic Interpretation took 21285.06 ms. Allocated memory was 228.1 MB in the beginning and 1.1 GB in the end (delta: 918.0 MB). Free memory was 184.1 MB in the beginning and 1.0 GB in the end (delta: -824.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-14 11:50:35,319 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 118]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 159240#(and (< 38 ~a1~0) (<= ~a1~0 218) (= 14 ~a4~0) (= ~a10~0 1) (= ~a12~0 0) (= ~a19~0 8)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 140.0 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 800.55 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 84.8 MB in the beginning and 169.7 MB in the end (delta: -84.9 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.65 ms. Allocated memory is still 203.4 MB. Free memory was 169.7 MB in the beginning and 165.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1357.82 ms. Allocated memory was 203.4 MB in the beginning and 228.1 MB in the end (delta: 24.6 MB). Free memory was 165.1 MB in the beginning and 184.1 MB in the end (delta: -19.1 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 21285.06 ms. Allocated memory was 228.1 MB in the beginning and 1.1 GB in the end (delta: 918.0 MB). Free memory was 184.1 MB in the beginning and 1.0 GB in the end (delta: -824.3 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...