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/Problem18_label57.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 23:57:38,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 23:57:38,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 23:57:38,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 23:57:38,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 23:57:38,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 23:57:38,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 23:57:38,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 23:57:38,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 23:57:38,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 23:57:38,732 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 23:57:38,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 23:57:38,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 23:57:38,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 23:57:38,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 23:57:38,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 23:57:38,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 23:57:38,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 23:57:38,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 23:57:38,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 23:57:38,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 23:57:38,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 23:57:38,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 23:57:38,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 23:57:38,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 23:57:38,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 23:57:38,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 23:57:38,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 23:57:38,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 23:57:38,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 23:57:38,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 23:57:38,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 23:57:38,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 23:57:38,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 23:57:38,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 23:57:38,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 23:57:38,760 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 23:57:38,775 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 23:57:38,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 23:57:38,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 23:57:38,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 23:57:38,777 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 23:57:38,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 23:57:38,778 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 23:57:38,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 23:57:38,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 23:57:38,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 23:57:38,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 23:57:38,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 23:57:38,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 23:57:38,779 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 23:57:38,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 23:57:38,780 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 23:57:38,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 23:57:38,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 23:57:38,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 23:57:38,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 23:57:38,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 23:57:38,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 23:57:38,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 23:57:38,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 23:57:38,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 23:57:38,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 23:57:38,784 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 23:57:38,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 23:57:38,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 23:57:38,827 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 23:57:38,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 23:57:38,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 23:57:38,844 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 23:57:38,845 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 23:57:38,845 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label57.c [2019-08-09 23:57:38,923 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fd829bd8/871ec5e141d845c39ec97664645683c1/FLAG66b325df5 [2019-08-09 23:57:39,575 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 23:57:39,577 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label57.c [2019-08-09 23:57:39,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fd829bd8/871ec5e141d845c39ec97664645683c1/FLAG66b325df5 [2019-08-09 23:57:39,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fd829bd8/871ec5e141d845c39ec97664645683c1 [2019-08-09 23:57:39,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 23:57:39,761 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 23:57:39,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 23:57:39,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 23:57:39,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 23:57:39,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:57:39" (1/1) ... [2019-08-09 23:57:39,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59156593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:39, skipping insertion in model container [2019-08-09 23:57:39,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:57:39" (1/1) ... [2019-08-09 23:57:39,780 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 23:57:39,916 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 23:57:41,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:57:41,221 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 23:57:41,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:57:41,694 INFO L192 MainTranslator]: Completed translation [2019-08-09 23:57:41,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:41 WrapperNode [2019-08-09 23:57:41,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 23:57:41,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 23:57:41,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 23:57:41,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 23:57:41,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:41" (1/1) ... [2019-08-09 23:57:41,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:41" (1/1) ... [2019-08-09 23:57:41,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:41" (1/1) ... [2019-08-09 23:57:41,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:41" (1/1) ... [2019-08-09 23:57:41,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:41" (1/1) ... [2019-08-09 23:57:41,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:41" (1/1) ... [2019-08-09 23:57:41,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:41" (1/1) ... [2019-08-09 23:57:41,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 23:57:41,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 23:57:41,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 23:57:41,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 23:57:41,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:41" (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 23:57:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 23:57:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 23:57:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 23:57:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 23:57:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 23:57:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 23:57:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 23:57:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 23:57:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 23:57:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 23:57:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 23:57:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 23:57:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 23:57:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 23:57:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 23:57:46,016 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 23:57:46,016 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 23:57:46,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:57:46 BoogieIcfgContainer [2019-08-09 23:57:46,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 23:57:46,019 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 23:57:46,020 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 23:57:46,020 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 23:57:46,021 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:57:46" (1/1) ... [2019-08-09 23:58:24,280 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 23:58:24,289 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 23:58:24,292 INFO L168 Benchmark]: Toolchain (without parser) took 44529.06 ms. Allocated memory was 132.6 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 79.1 MB in the beginning and 795.5 MB in the end (delta: -716.5 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2019-08-09 23:58:24,293 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 23:58:24,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1931.24 ms. Allocated memory was 132.6 MB in the beginning and 222.8 MB in the end (delta: 90.2 MB). Free memory was 78.7 MB in the beginning and 104.4 MB in the end (delta: -25.7 MB). Peak memory consumption was 70.6 MB. Max. memory is 7.1 GB. [2019-08-09 23:58:24,295 INFO L168 Benchmark]: Boogie Preprocessor took 261.46 ms. Allocated memory is still 222.8 MB. Free memory was 104.4 MB in the beginning and 83.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-08-09 23:58:24,296 INFO L168 Benchmark]: RCFGBuilder took 4061.17 ms. Allocated memory was 222.8 MB in the beginning and 357.0 MB in the end (delta: 134.2 MB). Free memory was 83.9 MB in the beginning and 131.7 MB in the end (delta: -47.9 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. [2019-08-09 23:58:24,297 INFO L168 Benchmark]: Symbolic Interpretation took 38269.41 ms. Allocated memory was 357.0 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 131.7 MB in the beginning and 795.5 MB in the end (delta: -663.8 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-09 23:58:24,302 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 33]: 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 978794#(and (= ~a15~0 4) (< 417 ~a3~0) (or (not (= ~a15~0 4)) (not (= ~a24~0 1)) (not (< 417 ~a3~0)) (not (= ~a18~0 8))) (= ~a24~0 2) (= ~a18~0 11)). 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 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1931.24 ms. Allocated memory was 132.6 MB in the beginning and 222.8 MB in the end (delta: 90.2 MB). Free memory was 78.7 MB in the beginning and 104.4 MB in the end (delta: -25.7 MB). Peak memory consumption was 70.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 261.46 ms. Allocated memory is still 222.8 MB. Free memory was 104.4 MB in the beginning and 83.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4061.17 ms. Allocated memory was 222.8 MB in the beginning and 357.0 MB in the end (delta: 134.2 MB). Free memory was 83.9 MB in the beginning and 131.7 MB in the end (delta: -47.9 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 38269.41 ms. Allocated memory was 357.0 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 131.7 MB in the beginning and 795.5 MB in the end (delta: -663.8 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...