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_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 20:38:15,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 20:38:15,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 20:38:15,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 20:38:15,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 20:38:15,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 20:38:15,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 20:38:15,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 20:38:15,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 20:38:15,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 20:38:15,553 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 20:38:15,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 20:38:15,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 20:38:15,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 20:38:15,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 20:38:15,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 20:38:15,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 20:38:15,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 20:38:15,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 20:38:15,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 20:38:15,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 20:38:15,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 20:38:15,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 20:38:15,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 20:38:15,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 20:38:15,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 20:38:15,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 20:38:15,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 20:38:15,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 20:38:15,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 20:38:15,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 20:38:15,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 20:38:15,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 20:38:15,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 20:38:15,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 20:38:15,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 20:38:15,599 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 20:38:15,616 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 20:38:15,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 20:38:15,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 20:38:15,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 20:38:15,618 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 20:38:15,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 20:38:15,619 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 20:38:15,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 20:38:15,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 20:38:15,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 20:38:15,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 20:38:15,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 20:38:15,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 20:38:15,620 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 20:38:15,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 20:38:15,620 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 20:38:15,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 20:38:15,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 20:38:15,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 20:38:15,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 20:38:15,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 20:38:15,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 20:38:15,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 20:38:15,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 20:38:15,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 20:38:15,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 20:38:15,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 20:38:15,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 20:38:15,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 20:38:15,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 20:38:15,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 20:38:15,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 20:38:15,685 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 20:38:15,686 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 20:38:15,686 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label25.c [2019-08-09 20:38:15,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc42a48f3/857ebef4e5184e2e8dddda86df61c13a/FLAG1edd48c9d [2019-08-09 20:38:16,335 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 20:38:16,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label25.c [2019-08-09 20:38:16,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc42a48f3/857ebef4e5184e2e8dddda86df61c13a/FLAG1edd48c9d [2019-08-09 20:38:16,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc42a48f3/857ebef4e5184e2e8dddda86df61c13a [2019-08-09 20:38:16,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 20:38:16,622 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 20:38:16,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 20:38:16,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 20:38:16,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 20:38:16,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:38:16" (1/1) ... [2019-08-09 20:38:16,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@426ddb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:38:16, skipping insertion in model container [2019-08-09 20:38:16,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:38:16" (1/1) ... [2019-08-09 20:38:16,640 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 20:38:16,715 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 20:38:17,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:38:17,385 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 20:38:17,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:38:17,585 INFO L192 MainTranslator]: Completed translation [2019-08-09 20:38:17,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:38:17 WrapperNode [2019-08-09 20:38:17,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 20:38:17,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 20:38:17,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 20:38:17,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 20:38:17,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:38:17" (1/1) ... [2019-08-09 20:38:17,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:38:17" (1/1) ... [2019-08-09 20:38:17,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:38:17" (1/1) ... [2019-08-09 20:38:17,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:38:17" (1/1) ... [2019-08-09 20:38:17,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:38:17" (1/1) ... [2019-08-09 20:38:17,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:38:17" (1/1) ... [2019-08-09 20:38:17,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:38:17" (1/1) ... [2019-08-09 20:38:17,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 20:38:17,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 20:38:17,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 20:38:17,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 20:38:17,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:38:17" (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 20:38:17,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 20:38:17,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 20:38:17,820 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 20:38:17,821 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 20:38:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 20:38:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 20:38:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 20:38:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 20:38:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 20:38:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 20:38:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 20:38:19,301 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 20:38:19,301 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 20:38:19,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:38:19 BoogieIcfgContainer [2019-08-09 20:38:19,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 20:38:19,303 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 20:38:19,303 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 20:38:19,304 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 20:38:19,305 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:38:19" (1/1) ... [2019-08-09 20:38:34,910 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 20:38:34,919 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 20:38:34,923 INFO L168 Benchmark]: Toolchain (without parser) took 18299.60 ms. Allocated memory was 130.5 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 83.6 MB in the beginning and 569.7 MB in the end (delta: -486.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-09 20:38:34,925 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 130.5 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 20:38:34,926 INFO L168 Benchmark]: CACSL2BoogieTranslator took 963.51 ms. Allocated memory was 130.5 MB in the beginning and 201.9 MB in the end (delta: 71.3 MB). Free memory was 83.4 MB in the beginning and 162.7 MB in the end (delta: -79.3 MB). Peak memory consumption was 41.2 MB. Max. memory is 7.1 GB. [2019-08-09 20:38:34,927 INFO L168 Benchmark]: Boogie Preprocessor took 141.48 ms. Allocated memory is still 201.9 MB. Free memory was 162.7 MB in the beginning and 156.9 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-08-09 20:38:34,930 INFO L168 Benchmark]: RCFGBuilder took 1573.80 ms. Allocated memory was 201.9 MB in the beginning and 221.8 MB in the end (delta: 19.9 MB). Free memory was 156.9 MB in the beginning and 155.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. [2019-08-09 20:38:34,931 INFO L168 Benchmark]: Symbolic Interpretation took 15616.75 ms. Allocated memory was 221.8 MB in the beginning and 1.2 GB in the end (delta: 972.0 MB). Free memory was 155.2 MB in the beginning and 569.7 MB in the end (delta: -414.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-09 20:38:34,942 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 196]: 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 412788#(and (= ~a24~0 1) (= ~a21~0 7) (<= ~a12~0 11) (< 0 (+ ~a12~0 43)) (= ~a15~0 6)). 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 130.5 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 963.51 ms. Allocated memory was 130.5 MB in the beginning and 201.9 MB in the end (delta: 71.3 MB). Free memory was 83.4 MB in the beginning and 162.7 MB in the end (delta: -79.3 MB). Peak memory consumption was 41.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.48 ms. Allocated memory is still 201.9 MB. Free memory was 162.7 MB in the beginning and 156.9 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1573.80 ms. Allocated memory was 201.9 MB in the beginning and 221.8 MB in the end (delta: 19.9 MB). Free memory was 156.9 MB in the beginning and 155.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 15616.75 ms. Allocated memory was 221.8 MB in the beginning and 1.2 GB in the end (delta: 972.0 MB). Free memory was 155.2 MB in the beginning and 569.7 MB in the end (delta: -414.5 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...