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_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:48:54,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:48:54,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:48:54,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:48:54,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:48:54,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:48:54,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:48:54,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:48:54,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:48:54,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:48:54,550 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:48:54,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:48:54,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:48:54,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:48:54,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:48:54,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:48:54,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:48:54,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:48:54,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:48:54,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:48:54,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:48:54,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:48:54,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:48:54,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:48:54,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:48:54,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:48:54,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:48:54,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:48:54,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:48:54,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:48:54,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:48:54,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:48:54,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:48:54,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:48:54,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:48:54,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:48:54,596 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 11:48:54,619 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:48:54,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:48:54,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:48:54,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:48:54,622 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:48:54,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:48:54,623 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:48:54,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:48:54,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:48:54,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:48:54,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:48:54,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:48:54,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:48:54,625 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:48:54,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:48:54,626 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:48:54,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:48:54,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:48:54,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:48:54,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:48:54,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:48:54,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:48:54,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:48:54,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:48:54,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:48:54,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:48:54,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:48:54,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:48:54,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:48:54,675 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:48:54,693 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:48:54,697 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:48:54,699 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:48:54,699 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:48:54,700 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label20.c [2019-08-14 11:48:54,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c3d950b1/ea878c08baa5490ca19db41a35a7a7fd/FLAGf6c143dfb [2019-08-14 11:48:55,325 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:48:55,328 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label20.c [2019-08-14 11:48:55,342 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c3d950b1/ea878c08baa5490ca19db41a35a7a7fd/FLAGf6c143dfb [2019-08-14 11:48:55,625 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c3d950b1/ea878c08baa5490ca19db41a35a7a7fd [2019-08-14 11:48:55,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:48:55,638 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:48:55,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:48:55,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:48:55,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:48:55,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:48:55" (1/1) ... [2019-08-14 11:48:55,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3acf8451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:55, skipping insertion in model container [2019-08-14 11:48:55,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:48:55" (1/1) ... [2019-08-14 11:48:55,654 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:48:55,711 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:48:56,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:48:56,349 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:48:56,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:48:56,523 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:48:56,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:56 WrapperNode [2019-08-14 11:48:56,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:48:56,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:48:56,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:48:56,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:48:56,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:56" (1/1) ... [2019-08-14 11:48:56,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:56" (1/1) ... [2019-08-14 11:48:56,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:56" (1/1) ... [2019-08-14 11:48:56,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:56" (1/1) ... [2019-08-14 11:48:56,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:56" (1/1) ... [2019-08-14 11:48:56,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:56" (1/1) ... [2019-08-14 11:48:56,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:56" (1/1) ... [2019-08-14 11:48:56,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:48:56,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:48:56,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:48:56,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:48:56,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:56" (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 11:48:56,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:48:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:48:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:48:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:48:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:48:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:48:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:48:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:48:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:48:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:48:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:48:58,494 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:48:58,495 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:48:58,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:48:58 BoogieIcfgContainer [2019-08-14 11:48:58,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:48:58,497 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:48:58,498 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:48:58,498 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:48:58,499 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:48:58" (1/1) ... [2019-08-14 11:49:17,464 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:49:17,468 INFO L168 Benchmark]: Toolchain (without parser) took 21828.66 ms. Allocated memory was 135.3 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 84.0 MB in the beginning and 58.5 MB in the end (delta: 25.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-14 11:49:17,470 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 135.3 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:49:17,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 885.50 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 83.7 MB in the beginning and 164.5 MB in the end (delta: -80.8 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2019-08-14 11:49:17,473 INFO L168 Benchmark]: Boogie Preprocessor took 120.43 ms. Allocated memory is still 201.3 MB. Free memory was 164.5 MB in the beginning and 159.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:49:17,476 INFO L168 Benchmark]: RCFGBuilder took 1851.51 ms. Allocated memory was 201.3 MB in the beginning and 221.2 MB in the end (delta: 19.9 MB). Free memory was 159.6 MB in the beginning and 177.4 MB in the end (delta: -17.8 MB). Peak memory consumption was 93.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:49:17,477 INFO L168 Benchmark]: Symbolic Interpretation took 18967.34 ms. Allocated memory was 221.2 MB in the beginning and 1.2 GB in the end (delta: 960.0 MB). Free memory was 177.4 MB in the beginning and 58.5 MB in the end (delta: 119.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-14 11:49:17,490 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 88]: 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 159318#(and (<= ~a1~0 38) (= 14 ~a4~0) (= ~a10~0 0) (= ~a12~0 0) (= ~a19~0 7) (< 0 (+ ~a1~0 13))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 135.3 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 885.50 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 83.7 MB in the beginning and 164.5 MB in the end (delta: -80.8 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.43 ms. Allocated memory is still 201.3 MB. Free memory was 164.5 MB in the beginning and 159.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1851.51 ms. Allocated memory was 201.3 MB in the beginning and 221.2 MB in the end (delta: 19.9 MB). Free memory was 159.6 MB in the beginning and 177.4 MB in the end (delta: -17.8 MB). Peak memory consumption was 93.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 18967.34 ms. Allocated memory was 221.2 MB in the beginning and 1.2 GB in the end (delta: 960.0 MB). Free memory was 177.4 MB in the beginning and 58.5 MB in the end (delta: 119.0 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...