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_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:58:48,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:58:48,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:58:48,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:58:48,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:58:48,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:58:48,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:58:48,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:58:48,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:58:48,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:58:48,679 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:58:48,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:58:48,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:58:48,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:58:48,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:58:48,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:58:48,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:58:48,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:58:48,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:58:48,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:58:48,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:58:48,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:58:48,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:58:48,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:58:48,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:58:48,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:58:48,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:58:48,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:58:48,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:58:48,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:58:48,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:58:48,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:58:48,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:58:48,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:58:48,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:58:48,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:58:48,711 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 16:58:48,734 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:58:48,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:58:48,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:58:48,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:58:48,736 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:58:48,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:58:48,736 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:58:48,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:58:48,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:58:48,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:58:48,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:58:48,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:58:48,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:58:48,738 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:58:48,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:58:48,738 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:58:48,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:58:48,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:58:48,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:58:48,739 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:58:48,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:58:48,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:58:48,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:58:48,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:58:48,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:58:48,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:58:48,741 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:58:48,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:58:48,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:58:48,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:58:48,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:58:48,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:58:48,792 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:58:48,792 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:58:48,793 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label49.c [2019-08-09 16:58:48,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4373169d/1798543fafef4155bc08dce4dd1b3f80/FLAG1599116ad [2019-08-09 16:58:49,754 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:58:49,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem06_label49.c [2019-08-09 16:58:49,802 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4373169d/1798543fafef4155bc08dce4dd1b3f80/FLAG1599116ad [2019-08-09 16:58:50,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4373169d/1798543fafef4155bc08dce4dd1b3f80 [2019-08-09 16:58:50,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:58:50,278 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:58:50,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:58:50,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:58:50,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:58:50,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:58:50" (1/1) ... [2019-08-09 16:58:50,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c438e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:50, skipping insertion in model container [2019-08-09 16:58:50,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:58:50" (1/1) ... [2019-08-09 16:58:50,293 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:58:50,501 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:58:52,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:58:52,668 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:58:53,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:58:53,863 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:58:53,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:53 WrapperNode [2019-08-09 16:58:53,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:58:53,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:58:53,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:58:53,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:58:53,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:53" (1/1) ... [2019-08-09 16:58:53,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:53" (1/1) ... [2019-08-09 16:58:54,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:53" (1/1) ... [2019-08-09 16:58:54,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:53" (1/1) ... [2019-08-09 16:58:54,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:53" (1/1) ... [2019-08-09 16:58:54,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:53" (1/1) ... [2019-08-09 16:58:54,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:53" (1/1) ... [2019-08-09 16:58:54,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:58:54,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:58:54,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:58:54,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:58:54,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:53" (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 16:58:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:58:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:58:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:58:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 16:58:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 16:58:54,426 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 16:58:54,426 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-08-09 16:58:54,426 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:58:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:58:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 16:58:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 16:58:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 16:58:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-08-09 16:58:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:58:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:58:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:58:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:58:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:58:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:59:01,332 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:59:01,333 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:59:01,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:59:01 BoogieIcfgContainer [2019-08-09 16:59:01,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:59:01,335 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:59:01,335 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:59:01,335 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:59:01,336 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:59:01" (1/1) ... [2019-08-09 16:59:07,516 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:59:07,524 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:59:07,529 INFO L168 Benchmark]: Toolchain (without parser) took 17247.97 ms. Allocated memory was 175.6 MB in the beginning and 817.9 MB in the end (delta: 642.3 MB). Free memory was 144.8 MB in the beginning and 244.1 MB in the end (delta: -99.3 MB). Peak memory consumption was 666.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:59:07,531 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 130.0 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:59:07,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3585.76 ms. Allocated memory was 175.6 MB in the beginning and 292.0 MB in the end (delta: 116.4 MB). Free memory was 144.8 MB in the beginning and 71.3 MB in the end (delta: 73.5 MB). Peak memory consumption was 189.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:59:07,533 INFO L168 Benchmark]: Boogie Preprocessor took 486.45 ms. Allocated memory was 292.0 MB in the beginning and 297.8 MB in the end (delta: 5.8 MB). Free memory was 71.3 MB in the beginning and 162.2 MB in the end (delta: -90.9 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:59:07,535 INFO L168 Benchmark]: RCFGBuilder took 6983.36 ms. Allocated memory was 297.8 MB in the beginning and 597.7 MB in the end (delta: 299.9 MB). Free memory was 162.2 MB in the beginning and 287.9 MB in the end (delta: -125.6 MB). Peak memory consumption was 360.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:59:07,537 INFO L168 Benchmark]: Symbolic Interpretation took 6189.11 ms. Allocated memory was 597.7 MB in the beginning and 817.9 MB in the end (delta: 220.2 MB). Free memory was 287.9 MB in the beginning and 244.1 MB in the end (delta: 43.8 MB). Peak memory consumption was 387.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:59:07,547 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9462]: 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 127828#(and (= 13 ~a3~0) (= ~a14~0 3) (= ~a27~0 19) (not (= ~a26~0 1)) (= ~a10~0 1) (not (= ~a25~0 1)) (= 1 ~a2~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 130.0 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3585.76 ms. Allocated memory was 175.6 MB in the beginning and 292.0 MB in the end (delta: 116.4 MB). Free memory was 144.8 MB in the beginning and 71.3 MB in the end (delta: 73.5 MB). Peak memory consumption was 189.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 486.45 ms. Allocated memory was 292.0 MB in the beginning and 297.8 MB in the end (delta: 5.8 MB). Free memory was 71.3 MB in the beginning and 162.2 MB in the end (delta: -90.9 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6983.36 ms. Allocated memory was 297.8 MB in the beginning and 597.7 MB in the end (delta: 299.9 MB). Free memory was 162.2 MB in the beginning and 287.9 MB in the end (delta: -125.6 MB). Peak memory consumption was 360.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6189.11 ms. Allocated memory was 597.7 MB in the beginning and 817.9 MB in the end (delta: 220.2 MB). Free memory was 287.9 MB in the beginning and 244.1 MB in the end (delta: 43.8 MB). Peak memory consumption was 387.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...