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/Problem04_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:53:39,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:53:39,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:53:39,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:53:39,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:53:39,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:53:39,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:53:39,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:53:39,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:53:39,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:53:39,712 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:53:39,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:53:39,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:53:39,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:53:39,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:53:39,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:53:39,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:53:39,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:53:39,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:53:39,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:53:39,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:53:39,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:53:39,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:53:39,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:53:39,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:53:39,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:53:39,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:53:39,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:53:39,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:53:39,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:53:39,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:53:39,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:53:39,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:53:39,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:53:39,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:53:39,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:53:39,759 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 16:53:39,783 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:53:39,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:53:39,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:53:39,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:53:39,791 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:53:39,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:53:39,792 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:53:39,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:53:39,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:53:39,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:53:39,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:53:39,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:53:39,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:53:39,793 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:53:39,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:53:39,793 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:53:39,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:53:39,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:53:39,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:53:39,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:53:39,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:53:39,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:53:39,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:53:39,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:53:39,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:53:39,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:53:39,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:53:39,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:53:39,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:53:39,826 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:53:39,841 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:53:39,845 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:53:39,846 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:53:39,847 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:53:39,847 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label05.c [2019-08-09 16:53:39,908 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0166cebe8/acde807421194c24a1c6da952155aa14/FLAG9538a3ed7 [2019-08-09 16:53:40,711 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:53:40,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label05.c [2019-08-09 16:53:40,747 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0166cebe8/acde807421194c24a1c6da952155aa14/FLAG9538a3ed7 [2019-08-09 16:53:40,769 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0166cebe8/acde807421194c24a1c6da952155aa14 [2019-08-09 16:53:40,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:53:40,784 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:53:40,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:53:40,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:53:40,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:53:40,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:53:40" (1/1) ... [2019-08-09 16:53:40,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc56dcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:40, skipping insertion in model container [2019-08-09 16:53:40,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:53:40" (1/1) ... [2019-08-09 16:53:40,802 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:53:40,970 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:53:42,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:53:42,508 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:53:43,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:53:43,327 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:53:43,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:43 WrapperNode [2019-08-09 16:53:43,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:53:43,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:53:43,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:53:43,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:53:43,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:43" (1/1) ... [2019-08-09 16:53:43,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:43" (1/1) ... [2019-08-09 16:53:43,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:43" (1/1) ... [2019-08-09 16:53:43,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:43" (1/1) ... [2019-08-09 16:53:43,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:43" (1/1) ... [2019-08-09 16:53:43,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:43" (1/1) ... [2019-08-09 16:53:43,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:43" (1/1) ... [2019-08-09 16:53:43,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:53:43,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:53:43,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:53:43,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:53:43,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:43" (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 16:53:43,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:53:43,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:53:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:53:43,675 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 16:53:43,675 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 16:53:43,676 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 16:53:43,676 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:53:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:53:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 16:53:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 16:53:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 16:53:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:53:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:53:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:53:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:53:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:53:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:53:48,151 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:53:48,151 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:53:48,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:53:48 BoogieIcfgContainer [2019-08-09 16:53:48,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:53:48,155 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:53:48,155 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:53:48,156 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:53:48,157 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:53:48" (1/1) ... [2019-08-09 16:53:52,182 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:53:52,190 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:53:52,192 INFO L168 Benchmark]: Toolchain (without parser) took 11407.58 ms. Allocated memory was 139.5 MB in the beginning and 609.2 MB in the end (delta: 469.8 MB). Free memory was 71.1 MB in the beginning and 488.6 MB in the end (delta: -417.4 MB). Peak memory consumption was 417.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:53:52,193 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 16:53:52,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2543.43 ms. Allocated memory was 139.5 MB in the beginning and 278.4 MB in the end (delta: 138.9 MB). Free memory was 70.9 MB in the beginning and 207.3 MB in the end (delta: -136.4 MB). Peak memory consumption was 110.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:53:52,195 INFO L168 Benchmark]: Boogie Preprocessor took 260.98 ms. Allocated memory is still 278.4 MB. Free memory was 207.3 MB in the beginning and 178.4 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:53:52,196 INFO L168 Benchmark]: RCFGBuilder took 4564.64 ms. Allocated memory was 278.4 MB in the beginning and 439.4 MB in the end (delta: 161.0 MB). Free memory was 178.4 MB in the beginning and 343.0 MB in the end (delta: -164.7 MB). Peak memory consumption was 213.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:53:52,197 INFO L168 Benchmark]: Symbolic Interpretation took 4034.71 ms. Allocated memory was 439.4 MB in the beginning and 609.2 MB in the end (delta: 169.9 MB). Free memory was 343.0 MB in the beginning and 488.6 MB in the end (delta: -145.5 MB). Peak memory consumption was 389.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:53:52,206 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 4706]: 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 66077#(and (= 1 ~a1~0) (= 1 ~a7~0) (= ~a14~0 19) (= 1 ~a3~0) (= ~a25~0 1) (= 16 ~a4~0) (= ~a26~0 17) (= ~a28~0 15)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2543.43 ms. Allocated memory was 139.5 MB in the beginning and 278.4 MB in the end (delta: 138.9 MB). Free memory was 70.9 MB in the beginning and 207.3 MB in the end (delta: -136.4 MB). Peak memory consumption was 110.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 260.98 ms. Allocated memory is still 278.4 MB. Free memory was 207.3 MB in the beginning and 178.4 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4564.64 ms. Allocated memory was 278.4 MB in the beginning and 439.4 MB in the end (delta: 161.0 MB). Free memory was 178.4 MB in the beginning and 343.0 MB in the end (delta: -164.7 MB). Peak memory consumption was 213.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4034.71 ms. Allocated memory was 439.4 MB in the beginning and 609.2 MB in the end (delta: 169.9 MB). Free memory was 343.0 MB in the beginning and 488.6 MB in the end (delta: -145.5 MB). Peak memory consumption was 389.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...