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/Problem06_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:58:00,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:58:00,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:58:00,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:58:00,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:58:00,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:58:00,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:58:00,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:58:00,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:58:00,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:58:00,703 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:58:00,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:58:00,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:58:00,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:58:00,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:58:00,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:58:00,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:58:00,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:58:00,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:58:00,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:58:00,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:58:00,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:58:00,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:58:00,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:58:00,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:58:00,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:58:00,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:58:00,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:58:00,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:58:00,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:58:00,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:58:00,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:58:00,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:58:00,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:58:00,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:58:00,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:58:00,743 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 16:58:00,768 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:58:00,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:58:00,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:58:00,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:58:00,772 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:58:00,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:58:00,772 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:58:00,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:58:00,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:58:00,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:58:00,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:58:00,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:58:00,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:58:00,775 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:58:00,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:58:00,775 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:58:00,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:58:00,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:58:00,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:58:00,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:58:00,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:58:00,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:58:00,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:58:00,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:58:00,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:58:00,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:58:00,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:58:00,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:58:00,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:58:00,819 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:58:00,832 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:58:00,835 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:58:00,837 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:58:00,837 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:58:00,838 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label26.c [2019-08-09 16:58:00,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ef2c37b3/f0d7880cffe7495bb67910705dd25f18/FLAG454e95cdd [2019-08-09 16:58:01,875 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:58:01,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem06_label26.c [2019-08-09 16:58:01,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ef2c37b3/f0d7880cffe7495bb67910705dd25f18/FLAG454e95cdd [2019-08-09 16:58:02,277 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ef2c37b3/f0d7880cffe7495bb67910705dd25f18 [2019-08-09 16:58:02,286 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:58:02,287 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:58:02,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:58:02,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:58:02,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:58:02,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:58:02" (1/1) ... [2019-08-09 16:58:02,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725db32b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:02, skipping insertion in model container [2019-08-09 16:58:02,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:58:02" (1/1) ... [2019-08-09 16:58:02,304 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:58:02,499 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:58:04,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:58:05,008 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:58:06,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:58:06,195 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:58:06,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:06 WrapperNode [2019-08-09 16:58:06,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:58:06,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:58:06,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:58:06,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:58:06,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:06" (1/1) ... [2019-08-09 16:58:06,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:06" (1/1) ... [2019-08-09 16:58:06,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:06" (1/1) ... [2019-08-09 16:58:06,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:06" (1/1) ... [2019-08-09 16:58:06,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:06" (1/1) ... [2019-08-09 16:58:06,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:06" (1/1) ... [2019-08-09 16:58:06,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:06" (1/1) ... [2019-08-09 16:58:06,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:58:06,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:58:06,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:58:06,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:58:06,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:06" (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 16:58:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:58:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:58:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:58:06,662 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 16:58:06,662 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 16:58:06,662 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 16:58:06,662 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-08-09 16:58:06,662 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:58:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:58:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 16:58:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 16:58:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 16:58:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-08-09 16:58:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:58:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:58:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:58:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:58:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:58:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:58:14,263 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:58:14,263 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:58:14,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:58:14 BoogieIcfgContainer [2019-08-09 16:58:14,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:58:14,270 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:58:14,270 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:58:14,271 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:58:14,274 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:58:14" (1/1) ... [2019-08-09 16:58:21,069 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:58:21,078 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:58:21,082 INFO L168 Benchmark]: Toolchain (without parser) took 18792.51 ms. Allocated memory was 180.9 MB in the beginning and 867.7 MB in the end (delta: 686.8 MB). Free memory was 141.2 MB in the beginning and 510.5 MB in the end (delta: -369.4 MB). Peak memory consumption was 573.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:58:21,084 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 103.2 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:58:21,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3908.32 ms. Allocated memory was 180.9 MB in the beginning and 293.6 MB in the end (delta: 112.7 MB). Free memory was 141.2 MB in the beginning and 204.4 MB in the end (delta: -63.3 MB). Peak memory consumption was 209.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:58:21,086 INFO L168 Benchmark]: Boogie Preprocessor took 390.92 ms. Allocated memory is still 293.6 MB. Free memory was 204.4 MB in the beginning and 149.7 MB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:58:21,089 INFO L168 Benchmark]: RCFGBuilder took 7681.13 ms. Allocated memory was 293.6 MB in the beginning and 632.3 MB in the end (delta: 338.7 MB). Free memory was 149.7 MB in the beginning and 501.1 MB in the end (delta: -351.4 MB). Peak memory consumption was 301.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:58:21,090 INFO L168 Benchmark]: Symbolic Interpretation took 6808.33 ms. Allocated memory was 632.3 MB in the beginning and 867.7 MB in the end (delta: 235.4 MB). Free memory was 501.1 MB in the beginning and 510.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 481.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:58:21,101 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9363]: 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 119967#(and (= ~a14~0 5) (not (= ~a26~0 1)) (= ~a10~0 1) (= ~a27~0 19) (= 14 ~a3~0) (= 1 ~a2~0) (= ~a25~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 103.2 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3908.32 ms. Allocated memory was 180.9 MB in the beginning and 293.6 MB in the end (delta: 112.7 MB). Free memory was 141.2 MB in the beginning and 204.4 MB in the end (delta: -63.3 MB). Peak memory consumption was 209.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 390.92 ms. Allocated memory is still 293.6 MB. Free memory was 204.4 MB in the beginning and 149.7 MB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7681.13 ms. Allocated memory was 293.6 MB in the beginning and 632.3 MB in the end (delta: 338.7 MB). Free memory was 149.7 MB in the beginning and 501.1 MB in the end (delta: -351.4 MB). Peak memory consumption was 301.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6808.33 ms. Allocated memory was 632.3 MB in the beginning and 867.7 MB in the end (delta: 235.4 MB). Free memory was 501.1 MB in the beginning and 510.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 481.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...