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/Problem14_label50.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 14:54:22,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 14:54:22,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 14:54:22,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 14:54:22,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 14:54:22,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 14:54:22,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 14:54:22,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 14:54:22,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 14:54:22,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 14:54:22,462 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 14:54:22,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 14:54:22,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 14:54:22,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 14:54:22,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 14:54:22,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 14:54:22,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 14:54:22,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 14:54:22,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 14:54:22,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 14:54:22,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 14:54:22,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 14:54:22,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 14:54:22,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 14:54:22,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 14:54:22,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 14:54:22,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 14:54:22,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 14:54:22,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 14:54:22,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 14:54:22,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 14:54:22,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 14:54:22,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 14:54:22,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 14:54:22,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 14:54:22,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 14:54:22,507 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 14:54:22,528 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 14:54:22,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 14:54:22,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 14:54:22,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 14:54:22,530 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 14:54:22,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 14:54:22,531 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 14:54:22,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 14:54:22,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 14:54:22,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 14:54:22,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 14:54:22,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 14:54:22,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 14:54:22,533 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 14:54:22,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 14:54:22,534 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 14:54:22,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 14:54:22,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 14:54:22,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 14:54:22,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 14:54:22,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 14:54:22,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 14:54:22,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 14:54:22,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 14:54:22,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 14:54:22,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 14:54:22,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 14:54:22,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 14:54:22,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 14:54:22,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 14:54:22,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 14:54:22,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 14:54:22,597 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 14:54:22,597 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 14:54:22,598 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label50.c [2019-08-14 14:54:22,663 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cffe15f5/d1fccaba15ca4c12909c33de0639d30f/FLAG4435f9783 [2019-08-14 14:54:23,194 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 14:54:23,198 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label50.c [2019-08-14 14:54:23,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cffe15f5/d1fccaba15ca4c12909c33de0639d30f/FLAG4435f9783 [2019-08-14 14:54:23,504 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cffe15f5/d1fccaba15ca4c12909c33de0639d30f [2019-08-14 14:54:23,512 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 14:54:23,513 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 14:54:23,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 14:54:23,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 14:54:23,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 14:54:23,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:54:23" (1/1) ... [2019-08-14 14:54:23,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@167bb256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:54:23, skipping insertion in model container [2019-08-14 14:54:23,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:54:23" (1/1) ... [2019-08-14 14:54:23,529 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 14:54:23,591 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 14:54:24,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 14:54:24,186 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 14:54:24,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 14:54:24,311 INFO L192 MainTranslator]: Completed translation [2019-08-14 14:54:24,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:54:24 WrapperNode [2019-08-14 14:54:24,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 14:54:24,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 14:54:24,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 14:54:24,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 14:54:24,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:54:24" (1/1) ... [2019-08-14 14:54:24,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:54:24" (1/1) ... [2019-08-14 14:54:24,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:54:24" (1/1) ... [2019-08-14 14:54:24,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:54:24" (1/1) ... [2019-08-14 14:54:24,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:54:24" (1/1) ... [2019-08-14 14:54:24,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:54:24" (1/1) ... [2019-08-14 14:54:24,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:54:24" (1/1) ... [2019-08-14 14:54:24,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 14:54:24,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 14:54:24,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 14:54:24,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 14:54:24,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:54:24" (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 14:54:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 14:54:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 14:54:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 14:54:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 14:54:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 14:54:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 14:54:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 14:54:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 14:54:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 14:54:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 14:54:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 14:54:26,041 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 14:54:26,042 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 14:54:26,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:54:26 BoogieIcfgContainer [2019-08-14 14:54:26,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 14:54:26,049 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 14:54:26,049 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 14:54:26,050 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 14:54:26,051 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:54:26" (1/1) ... [2019-08-14 14:54:40,985 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 14:54:40,988 INFO L168 Benchmark]: Toolchain (without parser) took 17473.95 ms. Allocated memory was 133.2 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 87.2 MB in the beginning and 368.5 MB in the end (delta: -281.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-14 14:54:40,990 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-14 14:54:40,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.58 ms. Allocated memory was 133.2 MB in the beginning and 203.4 MB in the end (delta: 70.3 MB). Free memory was 86.7 MB in the beginning and 164.8 MB in the end (delta: -78.1 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. [2019-08-14 14:54:40,992 INFO L168 Benchmark]: Boogie Preprocessor took 117.44 ms. Allocated memory is still 203.4 MB. Free memory was 164.8 MB in the beginning and 158.7 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2019-08-14 14:54:40,993 INFO L168 Benchmark]: RCFGBuilder took 1618.43 ms. Allocated memory was 203.4 MB in the beginning and 228.6 MB in the end (delta: 25.2 MB). Free memory was 158.7 MB in the beginning and 156.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2019-08-14 14:54:40,994 INFO L168 Benchmark]: Symbolic Interpretation took 14937.02 ms. Allocated memory was 228.6 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 156.7 MB in the beginning and 368.5 MB in the end (delta: -211.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-14 14:54:41,000 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 115]: 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 409298#(and (<= ~a12~0 80) (= ~a15~0 7) (< 11 ~a12~0) (= ~a24~0 1) (= ~a21~0 7)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 797.58 ms. Allocated memory was 133.2 MB in the beginning and 203.4 MB in the end (delta: 70.3 MB). Free memory was 86.7 MB in the beginning and 164.8 MB in the end (delta: -78.1 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.44 ms. Allocated memory is still 203.4 MB. Free memory was 164.8 MB in the beginning and 158.7 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1618.43 ms. Allocated memory was 203.4 MB in the beginning and 228.6 MB in the end (delta: 25.2 MB). Free memory was 158.7 MB in the beginning and 156.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 14937.02 ms. Allocated memory was 228.6 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 156.7 MB in the beginning and 368.5 MB in the end (delta: -211.7 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...