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/Problem03_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:52:07,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:52:07,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:52:07,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:52:07,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:52:07,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:52:07,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:52:07,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:52:07,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:52:07,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:52:07,649 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:52:07,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:52:07,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:52:07,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:52:07,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:52:07,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:52:07,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:52:07,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:52:07,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:52:07,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:52:07,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:52:07,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:52:07,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:52:07,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:52:07,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:52:07,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:52:07,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:52:07,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:52:07,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:52:07,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:52:07,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:52:07,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:52:07,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:52:07,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:52:07,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:52:07,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:52:07,699 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 16:52:07,719 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:52:07,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:52:07,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:52:07,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:52:07,722 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:52:07,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:52:07,723 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:52:07,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:52:07,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:52:07,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:52:07,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:52:07,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:52:07,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:52:07,726 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:52:07,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:52:07,726 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:52:07,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:52:07,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:52:07,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:52:07,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:52:07,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:52:07,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:52:07,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:52:07,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:52:07,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:52:07,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:52:07,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:52:07,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:52:07,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:52:07,783 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:52:07,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:52:07,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:52:07,807 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:52:07,808 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:52:07,809 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label09.c [2019-08-09 16:52:07,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5399ff818/66a14a6ab7fa4104a2475d1981357c70/FLAG63257b3bd [2019-08-09 16:52:08,543 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:52:08,544 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label09.c [2019-08-09 16:52:08,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5399ff818/66a14a6ab7fa4104a2475d1981357c70/FLAG63257b3bd [2019-08-09 16:52:08,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5399ff818/66a14a6ab7fa4104a2475d1981357c70 [2019-08-09 16:52:08,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:52:08,704 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:52:08,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:52:08,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:52:08,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:52:08,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:52:08" (1/1) ... [2019-08-09 16:52:08,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57badc32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:08, skipping insertion in model container [2019-08-09 16:52:08,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:52:08" (1/1) ... [2019-08-09 16:52:08,723 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:52:08,815 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:52:09,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:52:09,584 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:52:09,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:52:09,948 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:52:09,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:09 WrapperNode [2019-08-09 16:52:09,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:52:09,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:52:09,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:52:09,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:52:09,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:09" (1/1) ... [2019-08-09 16:52:09,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:09" (1/1) ... [2019-08-09 16:52:09,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:09" (1/1) ... [2019-08-09 16:52:09,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:09" (1/1) ... [2019-08-09 16:52:10,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:09" (1/1) ... [2019-08-09 16:52:10,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:09" (1/1) ... [2019-08-09 16:52:10,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:09" (1/1) ... [2019-08-09 16:52:10,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:52:10,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:52:10,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:52:10,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:52:10,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:09" (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 16:52:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:52:10,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:52:10,218 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:52:10,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:52:10,219 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:52:10,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:52:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:52:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:52:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:52:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:52:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:52:12,394 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:52:12,394 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:52:12,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:52:12 BoogieIcfgContainer [2019-08-09 16:52:12,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:52:12,396 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:52:12,397 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:52:12,397 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:52:12,398 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:52:12" (1/1) ... [2019-08-09 16:52:15,804 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:52:15,812 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:52:15,815 INFO L168 Benchmark]: Toolchain (without parser) took 7110.42 ms. Allocated memory was 137.9 MB in the beginning and 460.8 MB in the end (delta: 323.0 MB). Free memory was 80.9 MB in the beginning and 366.6 MB in the end (delta: -285.7 MB). Peak memory consumption was 273.1 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:15,816 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:52:15,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1244.00 ms. Allocated memory was 137.9 MB in the beginning and 227.0 MB in the end (delta: 89.1 MB). Free memory was 80.7 MB in the beginning and 168.4 MB in the end (delta: -87.7 MB). Peak memory consumption was 39.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:15,818 INFO L168 Benchmark]: Boogie Preprocessor took 191.86 ms. Allocated memory is still 227.0 MB. Free memory was 168.4 MB in the beginning and 156.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:15,820 INFO L168 Benchmark]: RCFGBuilder took 2254.00 ms. Allocated memory was 227.0 MB in the beginning and 290.5 MB in the end (delta: 63.4 MB). Free memory was 156.3 MB in the beginning and 81.8 MB in the end (delta: 74.5 MB). Peak memory consumption was 138.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:15,821 INFO L168 Benchmark]: Symbolic Interpretation took 3416.13 ms. Allocated memory was 290.5 MB in the beginning and 460.8 MB in the end (delta: 170.4 MB). Free memory was 81.8 MB in the beginning and 366.6 MB in the end (delta: -284.8 MB). Peak memory consumption was 121.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:15,825 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1479]: 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 59851#(and (= ~a18~0 1) (= 1 ~a5~0) (= ~a12~0 1) (not (= ~a27~0 1)) (= 0 ~a3~0) (= ~a11~0 1) (not (= 1 ~a6~0)) (= ~a26~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1244.00 ms. Allocated memory was 137.9 MB in the beginning and 227.0 MB in the end (delta: 89.1 MB). Free memory was 80.7 MB in the beginning and 168.4 MB in the end (delta: -87.7 MB). Peak memory consumption was 39.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 191.86 ms. Allocated memory is still 227.0 MB. Free memory was 168.4 MB in the beginning and 156.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2254.00 ms. Allocated memory was 227.0 MB in the beginning and 290.5 MB in the end (delta: 63.4 MB). Free memory was 156.3 MB in the beginning and 81.8 MB in the end (delta: 74.5 MB). Peak memory consumption was 138.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3416.13 ms. Allocated memory was 290.5 MB in the beginning and 460.8 MB in the end (delta: 170.4 MB). Free memory was 81.8 MB in the beginning and 366.6 MB in the end (delta: -284.8 MB). Peak memory consumption was 121.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...