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_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:54:39,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:54:39,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:54:39,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:54:39,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:54:39,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:54:39,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:54:39,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:54:39,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:54:39,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:54:39,718 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:54:39,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:54:39,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:54:39,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:54:39,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:54:39,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:54:39,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:54:39,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:54:39,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:54:39,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:54:39,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:54:39,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:54:39,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:54:39,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:54:39,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:54:39,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:54:39,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:54:39,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:54:39,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:54:39,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:54:39,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:54:39,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:54:39,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:54:39,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:54:39,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:54:39,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:54:39,759 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 16:54:39,787 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:54:39,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:54:39,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:54:39,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:54:39,789 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:54:39,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:54:39,790 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:54:39,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:54:39,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:54:39,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:54:39,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:54:39,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:54:39,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:54:39,792 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:54:39,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:54:39,793 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:54:39,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:54:39,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:54:39,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:54:39,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:54:39,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:54:39,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:54:39,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:54:39,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:54:39,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:54:39,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:54:39,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:54:39,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:54:39,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:54:39,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:54:39,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:54:39,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:54:39,842 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:54:39,842 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:54:39,843 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label39.c [2019-08-09 16:54:39,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3c1a6c5f/c844cea2d37c4b6fa2e58b50d9807475/FLAG2395908a4 [2019-08-09 16:54:40,611 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:54:40,612 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label39.c [2019-08-09 16:54:40,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3c1a6c5f/c844cea2d37c4b6fa2e58b50d9807475/FLAG2395908a4 [2019-08-09 16:54:40,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3c1a6c5f/c844cea2d37c4b6fa2e58b50d9807475 [2019-08-09 16:54:40,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:54:40,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:54:40,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:54:40,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:54:40,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:54:40,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:54:40" (1/1) ... [2019-08-09 16:54:40,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e139843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:40, skipping insertion in model container [2019-08-09 16:54:40,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:54:40" (1/1) ... [2019-08-09 16:54:40,752 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:54:40,908 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:54:42,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:54:42,535 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:54:43,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:54:43,203 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:54:43,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:43 WrapperNode [2019-08-09 16:54:43,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:54:43,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:54:43,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:54:43,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:54:43,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:43" (1/1) ... [2019-08-09 16:54:43,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:43" (1/1) ... [2019-08-09 16:54:43,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:43" (1/1) ... [2019-08-09 16:54:43,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:43" (1/1) ... [2019-08-09 16:54:43,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:43" (1/1) ... [2019-08-09 16:54:43,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:43" (1/1) ... [2019-08-09 16:54:43,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:43" (1/1) ... [2019-08-09 16:54:43,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:54:43,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:54:43,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:54:43,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:54:43,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:43" (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 16:54:43,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:54:43,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:54:43,587 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:54:43,587 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 16:54:43,587 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 16:54:43,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 16:54:43,588 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:54:43,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:54:43,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 16:54:43,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 16:54:43,589 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 16:54:43,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:54:43,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:54:43,590 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:54:43,591 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:54:43,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:54:43,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:54:47,986 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:54:47,988 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:54:47,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:54:47 BoogieIcfgContainer [2019-08-09 16:54:47,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:54:47,991 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:54:47,991 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:54:47,991 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:54:47,992 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:54:47" (1/1) ... [2019-08-09 16:54:52,078 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:54:52,088 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:54:52,091 INFO L168 Benchmark]: Toolchain (without parser) took 11353.99 ms. Allocated memory was 136.3 MB in the beginning and 685.8 MB in the end (delta: 549.5 MB). Free memory was 70.8 MB in the beginning and 199.2 MB in the end (delta: -128.4 MB). Peak memory consumption was 457.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:52,092 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 136.3 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:54:52,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2468.80 ms. Allocated memory was 136.3 MB in the beginning and 296.2 MB in the end (delta: 159.9 MB). Free memory was 70.6 MB in the beginning and 177.1 MB in the end (delta: -106.6 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:52,095 INFO L168 Benchmark]: Boogie Preprocessor took 319.05 ms. Allocated memory is still 296.2 MB. Free memory was 177.1 MB in the beginning and 149.0 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:52,096 INFO L168 Benchmark]: RCFGBuilder took 4464.66 ms. Allocated memory was 296.2 MB in the beginning and 431.0 MB in the end (delta: 134.7 MB). Free memory was 149.0 MB in the beginning and 158.8 MB in the end (delta: -9.8 MB). Peak memory consumption was 215.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:52,097 INFO L168 Benchmark]: Symbolic Interpretation took 4097.53 ms. Allocated memory was 431.0 MB in the beginning and 685.8 MB in the end (delta: 254.8 MB). Free memory was 158.8 MB in the beginning and 199.2 MB in the end (delta: -40.4 MB). Peak memory consumption was 251.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:52,102 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 4634]: 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 64861#(and (= ~a14~0 18) (= 1 ~a1~0) (= 1 ~a3~0) (= ~a26~0 18) (= ~a28~0 17) (not (= 1 ~a7~0)) (= ~a25~0 1) (= 16 ~a4~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 136.3 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2468.80 ms. Allocated memory was 136.3 MB in the beginning and 296.2 MB in the end (delta: 159.9 MB). Free memory was 70.6 MB in the beginning and 177.1 MB in the end (delta: -106.6 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 319.05 ms. Allocated memory is still 296.2 MB. Free memory was 177.1 MB in the beginning and 149.0 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4464.66 ms. Allocated memory was 296.2 MB in the beginning and 431.0 MB in the end (delta: 134.7 MB). Free memory was 149.0 MB in the beginning and 158.8 MB in the end (delta: -9.8 MB). Peak memory consumption was 215.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4097.53 ms. Allocated memory was 431.0 MB in the beginning and 685.8 MB in the end (delta: 254.8 MB). Free memory was 158.8 MB in the beginning and 199.2 MB in the end (delta: -40.4 MB). Peak memory consumption was 251.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...