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_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:52:19,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:52:19,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:52:19,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:52:19,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:52:19,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:52:19,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:52:19,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:52:19,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:52:19,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:52:19,733 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:52:19,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:52:19,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:52:19,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:52:19,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:52:19,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:52:19,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:52:19,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:52:19,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:52:19,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:52:19,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:52:19,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:52:19,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:52:19,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:52:19,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:52:19,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:52:19,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:52:19,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:52:19,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:52:19,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:52:19,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:52:19,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:52:19,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:52:19,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:52:19,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:52:19,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:52:19,777 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 16:52:19,792 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:52:19,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:52:19,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:52:19,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:52:19,794 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:52:19,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:52:19,794 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:52:19,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:52:19,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:52:19,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:52:19,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:52:19,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:52:19,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:52:19,796 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:52:19,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:52:19,796 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:52:19,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:52:19,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:52:19,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:52:19,797 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:52:19,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:52:19,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:52:19,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:52:19,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:52:19,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:52:19,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:52:19,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:52:19,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:52:19,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:52:19,827 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:52:19,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:52:19,850 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:52:19,852 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:52:19,852 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:52:19,853 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label15.c [2019-08-09 16:52:19,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/873e94dd5/54629526e2604beaa15383fe6d8e4534/FLAG47d612516 [2019-08-09 16:52:20,628 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:52:20,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label15.c [2019-08-09 16:52:20,653 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/873e94dd5/54629526e2604beaa15383fe6d8e4534/FLAG47d612516 [2019-08-09 16:52:20,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/873e94dd5/54629526e2604beaa15383fe6d8e4534 [2019-08-09 16:52:20,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:52:20,831 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:52:20,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:52:20,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:52:20,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:52:20,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:52:20" (1/1) ... [2019-08-09 16:52:20,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c667aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:20, skipping insertion in model container [2019-08-09 16:52:20,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:52:20" (1/1) ... [2019-08-09 16:52:20,848 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:52:20,931 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:52:21,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:52:21,939 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:52:22,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:52:22,301 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:52:22,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:22 WrapperNode [2019-08-09 16:52:22,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:52:22,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:52:22,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:52:22,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:52:22,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:22" (1/1) ... [2019-08-09 16:52:22,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:22" (1/1) ... [2019-08-09 16:52:22,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:22" (1/1) ... [2019-08-09 16:52:22,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:22" (1/1) ... [2019-08-09 16:52:22,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:22" (1/1) ... [2019-08-09 16:52:22,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:22" (1/1) ... [2019-08-09 16:52:22,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:22" (1/1) ... [2019-08-09 16:52:22,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:52:22,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:52:22,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:52:22,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:52:22,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:22" (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 16:52:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:52:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:52:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:52:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:52:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:52:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:52:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:52:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:52:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:52:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:52:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:52:24,372 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:52:24,372 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:52:24,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:52:24 BoogieIcfgContainer [2019-08-09 16:52:24,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:52:24,377 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:52:24,377 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:52:24,377 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:52:24,378 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:52:24" (1/1) ... [2019-08-09 16:52:30,714 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:52:30,724 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:52:30,727 INFO L168 Benchmark]: Toolchain (without parser) took 9895.30 ms. Allocated memory was 131.6 MB in the beginning and 698.9 MB in the end (delta: 567.3 MB). Free memory was 82.9 MB in the beginning and 489.8 MB in the end (delta: -406.9 MB). Peak memory consumption was 574.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:30,728 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 16:52:30,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1469.75 ms. Allocated memory was 131.6 MB in the beginning and 217.6 MB in the end (delta: 86.0 MB). Free memory was 82.4 MB in the beginning and 164.1 MB in the end (delta: -81.7 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:30,730 INFO L168 Benchmark]: Boogie Preprocessor took 195.57 ms. Allocated memory is still 217.6 MB. Free memory was 164.1 MB in the beginning and 152.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:30,731 INFO L168 Benchmark]: RCFGBuilder took 1878.13 ms. Allocated memory was 217.6 MB in the beginning and 280.5 MB in the end (delta: 62.9 MB). Free memory was 152.5 MB in the beginning and 77.6 MB in the end (delta: 74.9 MB). Peak memory consumption was 137.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:30,732 INFO L168 Benchmark]: Symbolic Interpretation took 6347.69 ms. Allocated memory was 280.5 MB in the beginning and 698.9 MB in the end (delta: 418.4 MB). Free memory was 77.6 MB in the beginning and 489.8 MB in the end (delta: -412.2 MB). Peak memory consumption was 420.3 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:30,737 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1635]: 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 155759#(and (= ~a18~0 1) (= 1 ~a5~0) (= ~a27~0 1) (= 1 ~a6~0) (= ~a12~0 1) (= 0 ~a3~0) (not (= ~a11~0 1)) (= ~a26~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1469.75 ms. Allocated memory was 131.6 MB in the beginning and 217.6 MB in the end (delta: 86.0 MB). Free memory was 82.4 MB in the beginning and 164.1 MB in the end (delta: -81.7 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 195.57 ms. Allocated memory is still 217.6 MB. Free memory was 164.1 MB in the beginning and 152.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1878.13 ms. Allocated memory was 217.6 MB in the beginning and 280.5 MB in the end (delta: 62.9 MB). Free memory was 152.5 MB in the beginning and 77.6 MB in the end (delta: 74.9 MB). Peak memory consumption was 137.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6347.69 ms. Allocated memory was 280.5 MB in the beginning and 698.9 MB in the end (delta: 418.4 MB). Free memory was 77.6 MB in the beginning and 489.8 MB in the end (delta: -412.2 MB). Peak memory consumption was 420.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...