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_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:57:08,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:57:08,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:57:08,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:57:08,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:57:08,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:57:08,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:57:08,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:57:08,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:57:08,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:57:08,717 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:57:08,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:57:08,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:57:08,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:57:08,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:57:08,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:57:08,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:57:08,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:57:08,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:57:08,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:57:08,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:57:08,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:57:08,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:57:08,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:57:08,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:57:08,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:57:08,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:57:08,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:57:08,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:57:08,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:57:08,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:57:08,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:57:08,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:57:08,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:57:08,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:57:08,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:57:08,742 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 16:57:08,757 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:57:08,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:57:08,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:57:08,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:57:08,759 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:57:08,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:57:08,759 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:57:08,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:57:08,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:57:08,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:57:08,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:57:08,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:57:08,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:57:08,761 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:57:08,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:57:08,761 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:57:08,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:57:08,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:57:08,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:57:08,762 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:57:08,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:57:08,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:57:08,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:57:08,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:57:08,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:57:08,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:57:08,764 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:57:08,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:57:08,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:57:08,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:57:08,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:57:08,810 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:57:08,812 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:57:08,813 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:57:08,814 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label02.c [2019-08-09 16:57:08,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1748be96/fb438e48d2ec4de89a3ff6d10f5cec32/FLAGf301ae718 [2019-08-09 16:57:09,830 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:57:09,831 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem06_label02.c [2019-08-09 16:57:09,913 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1748be96/fb438e48d2ec4de89a3ff6d10f5cec32/FLAGf301ae718 [2019-08-09 16:57:10,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1748be96/fb438e48d2ec4de89a3ff6d10f5cec32 [2019-08-09 16:57:10,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:57:10,253 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:57:10,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:57:10,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:57:10,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:57:10,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:57:10" (1/1) ... [2019-08-09 16:57:10,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2909cd25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:10, skipping insertion in model container [2019-08-09 16:57:10,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:57:10" (1/1) ... [2019-08-09 16:57:10,270 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:57:10,479 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:57:12,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:57:12,669 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:57:13,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:57:13,792 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:57:13,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:13 WrapperNode [2019-08-09 16:57:13,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:57:13,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:57:13,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:57:13,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:57:13,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:13" (1/1) ... [2019-08-09 16:57:13,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:13" (1/1) ... [2019-08-09 16:57:13,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:13" (1/1) ... [2019-08-09 16:57:13,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:13" (1/1) ... [2019-08-09 16:57:14,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:13" (1/1) ... [2019-08-09 16:57:14,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:13" (1/1) ... [2019-08-09 16:57:14,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:13" (1/1) ... [2019-08-09 16:57:14,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:57:14,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:57:14,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:57:14,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:57:14,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:13" (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 16:57:14,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:57:14,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:57:14,499 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:57:14,499 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 16:57:14,499 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 16:57:14,499 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 16:57:14,500 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-08-09 16:57:14,500 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:57:14,501 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:57:14,501 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 16:57:14,501 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 16:57:14,502 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 16:57:14,503 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-08-09 16:57:14,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:57:14,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:57:14,504 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:57:14,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:57:14,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:57:14,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:57:22,907 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:57:22,907 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:57:22,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:57:22 BoogieIcfgContainer [2019-08-09 16:57:22,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:57:22,910 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:57:22,910 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:57:22,910 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:57:22,911 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:57:22" (1/1) ... [2019-08-09 16:57:29,451 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:57:29,460 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:57:29,464 INFO L168 Benchmark]: Toolchain (without parser) took 19208.43 ms. Allocated memory was 179.8 MB in the beginning and 793.2 MB in the end (delta: 613.4 MB). Free memory was 142.7 MB in the beginning and 237.8 MB in the end (delta: -95.0 MB). Peak memory consumption was 623.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:57:29,465 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 135.8 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:57:29,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3538.69 ms. Allocated memory was 179.8 MB in the beginning and 297.8 MB in the end (delta: 118.0 MB). Free memory was 142.7 MB in the beginning and 100.4 MB in the end (delta: 42.3 MB). Peak memory consumption was 164.1 MB. Max. memory is 7.1 GB. [2019-08-09 16:57:29,471 INFO L168 Benchmark]: Boogie Preprocessor took 632.43 ms. Allocated memory was 297.8 MB in the beginning and 303.0 MB in the end (delta: 5.2 MB). Free memory was 100.4 MB in the beginning and 180.6 MB in the end (delta: -80.2 MB). Peak memory consumption was 72.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:57:29,473 INFO L168 Benchmark]: RCFGBuilder took 8481.05 ms. Allocated memory was 303.0 MB in the beginning and 590.3 MB in the end (delta: 287.3 MB). Free memory was 180.6 MB in the beginning and 262.3 MB in the end (delta: -81.7 MB). Peak memory consumption was 362.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:57:29,474 INFO L168 Benchmark]: Symbolic Interpretation took 6550.84 ms. Allocated memory was 590.3 MB in the beginning and 793.2 MB in the end (delta: 202.9 MB). Free memory was 262.3 MB in the beginning and 237.8 MB in the end (delta: 24.5 MB). Peak memory consumption was 332.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:57:29,488 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9303]: 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 118062#(and (= ~a14~0 6) (= 12 ~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 0.24 ms. Allocated memory is still 135.8 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3538.69 ms. Allocated memory was 179.8 MB in the beginning and 297.8 MB in the end (delta: 118.0 MB). Free memory was 142.7 MB in the beginning and 100.4 MB in the end (delta: 42.3 MB). Peak memory consumption was 164.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 632.43 ms. Allocated memory was 297.8 MB in the beginning and 303.0 MB in the end (delta: 5.2 MB). Free memory was 100.4 MB in the beginning and 180.6 MB in the end (delta: -80.2 MB). Peak memory consumption was 72.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8481.05 ms. Allocated memory was 303.0 MB in the beginning and 590.3 MB in the end (delta: 287.3 MB). Free memory was 180.6 MB in the beginning and 262.3 MB in the end (delta: -81.7 MB). Peak memory consumption was 362.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6550.84 ms. Allocated memory was 590.3 MB in the beginning and 793.2 MB in the end (delta: 202.9 MB). Free memory was 262.3 MB in the beginning and 237.8 MB in the end (delta: 24.5 MB). Peak memory consumption was 332.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...