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_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:49:22,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:49:22,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:49:22,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:49:22,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:49:22,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:49:22,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:49:22,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:49:22,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:49:22,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:49:22,543 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:49:22,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:49:22,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:49:22,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:49:22,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:49:22,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:49:22,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:49:22,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:49:22,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:49:22,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:49:22,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:49:22,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:49:22,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:49:22,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:49:22,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:49:22,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:49:22,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:49:22,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:49:22,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:49:22,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:49:22,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:49:22,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:49:22,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:49:22,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:49:22,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:49:22,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:49:22,569 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 11:49:22,584 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:49:22,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:49:22,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:49:22,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:49:22,586 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:49:22,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:49:22,586 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:49:22,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:49:22,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:49:22,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:49:22,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:49:22,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:49:22,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:49:22,587 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:49:22,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:49:22,588 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:49:22,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:49:22,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:49:22,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:49:22,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:49:22,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:49:22,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:49:22,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:49:22,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:49:22,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:49:22,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:49:22,590 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:49:22,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:49:22,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:49:22,618 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:49:22,632 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:49:22,635 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:49:22,636 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:49:22,637 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:49:22,638 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label27.c [2019-08-14 11:49:22,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/391f176c8/00abac87742b4518b2b1500172841680/FLAGdb2a1ca72 [2019-08-14 11:49:23,251 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:49:23,252 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label27.c [2019-08-14 11:49:23,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/391f176c8/00abac87742b4518b2b1500172841680/FLAGdb2a1ca72 [2019-08-14 11:49:23,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/391f176c8/00abac87742b4518b2b1500172841680 [2019-08-14 11:49:23,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:49:23,549 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:49:23,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:49:23,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:49:23,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:49:23,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:49:23" (1/1) ... [2019-08-14 11:49:23,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fbd25fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:23, skipping insertion in model container [2019-08-14 11:49:23,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:49:23" (1/1) ... [2019-08-14 11:49:23,565 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:49:23,625 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:49:24,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:49:24,182 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:49:24,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:49:24,316 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:49:24,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:24 WrapperNode [2019-08-14 11:49:24,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:49:24,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:49:24,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:49:24,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:49:24,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:24" (1/1) ... [2019-08-14 11:49:24,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:24" (1/1) ... [2019-08-14 11:49:24,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:24" (1/1) ... [2019-08-14 11:49:24,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:24" (1/1) ... [2019-08-14 11:49:24,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:24" (1/1) ... [2019-08-14 11:49:24,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:24" (1/1) ... [2019-08-14 11:49:24,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:24" (1/1) ... [2019-08-14 11:49:24,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:49:24,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:49:24,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:49:24,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:49:24,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:49:24" (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 11:49:24,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:49:24,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:49:24,521 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:49:24,521 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:49:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:49:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:49:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:49:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:49:24,524 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:49:24,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:49:24,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:49:25,831 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:49:25,832 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:49:25,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:49:25 BoogieIcfgContainer [2019-08-14 11:49:25,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:49:25,834 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:49:25,834 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:49:25,834 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:49:25,835 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:49:25" (1/1) ... [2019-08-14 11:49:46,973 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:49:46,976 INFO L168 Benchmark]: Toolchain (without parser) took 23425.94 ms. Allocated memory was 133.2 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 87.5 MB in the beginning and 632.7 MB in the end (delta: -545.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-14 11:49:46,977 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory is still 107.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 11:49:46,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.41 ms. Allocated memory was 133.2 MB in the beginning and 202.9 MB in the end (delta: 69.7 MB). Free memory was 87.5 MB in the beginning and 167.8 MB in the end (delta: -80.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 7.1 GB. [2019-08-14 11:49:46,979 INFO L168 Benchmark]: Boogie Preprocessor took 132.39 ms. Allocated memory is still 202.9 MB. Free memory was 166.9 MB in the beginning and 163.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:49:46,980 INFO L168 Benchmark]: RCFGBuilder took 1382.96 ms. Allocated memory was 202.9 MB in the beginning and 227.5 MB in the end (delta: 24.6 MB). Free memory was 163.0 MB in the beginning and 180.7 MB in the end (delta: -17.7 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. [2019-08-14 11:49:46,982 INFO L168 Benchmark]: Symbolic Interpretation took 21139.32 ms. Allocated memory was 227.5 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 180.7 MB in the beginning and 632.7 MB in the end (delta: -452.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-14 11:49:46,986 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 184]: 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 160734#(and (= ~a10~0 2) (= 14 ~a4~0) (= ~a12~0 0) (= ~a19~0 7) (<= (+ ~a1~0 13) 0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory is still 107.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 767.41 ms. Allocated memory was 133.2 MB in the beginning and 202.9 MB in the end (delta: 69.7 MB). Free memory was 87.5 MB in the beginning and 167.8 MB in the end (delta: -80.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.39 ms. Allocated memory is still 202.9 MB. Free memory was 166.9 MB in the beginning and 163.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1382.96 ms. Allocated memory was 202.9 MB in the beginning and 227.5 MB in the end (delta: 24.6 MB). Free memory was 163.0 MB in the beginning and 180.7 MB in the end (delta: -17.7 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 21139.32 ms. Allocated memory was 227.5 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 180.7 MB in the beginning and 632.7 MB in the end (delta: -452.0 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...