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_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 18:06:53,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 18:06:53,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 18:06:53,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 18:06:53,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 18:06:53,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 18:06:53,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 18:06:53,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 18:06:53,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 18:06:53,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 18:06:53,655 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 18:06:53,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 18:06:53,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 18:06:53,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 18:06:53,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 18:06:53,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 18:06:53,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 18:06:53,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 18:06:53,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 18:06:53,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 18:06:53,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 18:06:53,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 18:06:53,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 18:06:53,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 18:06:53,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 18:06:53,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 18:06:53,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 18:06:53,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 18:06:53,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 18:06:53,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 18:06:53,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 18:06:53,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 18:06:53,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 18:06:53,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 18:06:53,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 18:06:53,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 18:06:53,702 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 [2019-08-14 18:06:53,718 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 18:06:53,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 18:06:53,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 18:06:53,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 18:06:53,721 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 18:06:53,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 18:06:53,721 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 18:06:53,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 18:06:53,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 18:06:53,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 18:06:53,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 18:06:53,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 18:06:53,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 18:06:53,722 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 18:06:53,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 18:06:53,723 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 18:06:53,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 18:06:53,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 18:06:53,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 18:06:53,724 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 18:06:53,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 18:06:53,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 18:06:53,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 18:06:53,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 18:06:53,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 18:06:53,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 18:06:53,725 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 18:06:53,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 18:06:53,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 18:06:53,755 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 18:06:53,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 18:06:53,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 18:06:53,774 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 18:06:53,775 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 18:06:53,776 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label36.c [2019-08-14 18:06:53,855 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8a150b08/bd12f486b40c429a866cb9a6875d9494/FLAG39dc0b1ce [2019-08-14 18:06:54,553 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 18:06:54,554 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label36.c [2019-08-14 18:06:54,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8a150b08/bd12f486b40c429a866cb9a6875d9494/FLAG39dc0b1ce [2019-08-14 18:06:54,707 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8a150b08/bd12f486b40c429a866cb9a6875d9494 [2019-08-14 18:06:54,721 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 18:06:54,723 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 18:06:54,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 18:06:54,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 18:06:54,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 18:06:54,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:06:54" (1/1) ... [2019-08-14 18:06:54,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5231554b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:06:54, skipping insertion in model container [2019-08-14 18:06:54,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:06:54" (1/1) ... [2019-08-14 18:06:54,740 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 18:06:54,878 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 18:06:56,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:06:56,147 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 18:06:56,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:06:56,664 INFO L192 MainTranslator]: Completed translation [2019-08-14 18:06:56,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:06:56 WrapperNode [2019-08-14 18:06:56,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 18:06:56,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 18:06:56,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 18:06:56,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 18:06:56,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:06:56" (1/1) ... [2019-08-14 18:06:56,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:06:56" (1/1) ... [2019-08-14 18:06:56,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:06:56" (1/1) ... [2019-08-14 18:06:56,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:06:56" (1/1) ... [2019-08-14 18:06:56,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:06:56" (1/1) ... [2019-08-14 18:06:56,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:06:56" (1/1) ... [2019-08-14 18:06:56,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:06:56" (1/1) ... [2019-08-14 18:06:56,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 18:06:56,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 18:06:56,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 18:06:56,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 18:06:56,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:06:56" (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 [2019-08-14 18:06:57,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 18:06:57,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 18:06:57,017 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 18:06:57,017 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 18:06:57,017 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 18:06:57,018 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 18:06:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 18:06:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 18:06:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 18:06:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 18:06:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 18:06:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 18:06:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 18:06:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 18:06:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 18:07:01,324 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 18:07:01,324 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 18:07:01,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:07:01 BoogieIcfgContainer [2019-08-14 18:07:01,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 18:07:01,328 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 18:07:01,328 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 18:07:01,328 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 18:07:01,329 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:07:01" (1/1) ... [2019-08-14 18:07:41,093 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 18:07:41,096 INFO L168 Benchmark]: Toolchain (without parser) took 46371.83 ms. Allocated memory was 134.7 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 80.6 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2019-08-14 18:07:41,097 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 18:07:41,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1941.95 ms. Allocated memory was 134.7 MB in the beginning and 227.5 MB in the end (delta: 92.8 MB). Free memory was 80.4 MB in the beginning and 107.7 MB in the end (delta: -27.3 MB). Peak memory consumption was 71.7 MB. Max. memory is 7.1 GB. [2019-08-14 18:07:41,099 INFO L168 Benchmark]: Boogie Preprocessor took 283.00 ms. Allocated memory is still 227.5 MB. Free memory was 107.7 MB in the beginning and 86.6 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-08-14 18:07:41,101 INFO L168 Benchmark]: RCFGBuilder took 4377.19 ms. Allocated memory was 227.5 MB in the beginning and 330.8 MB in the end (delta: 103.3 MB). Free memory was 86.6 MB in the beginning and 73.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 116.8 MB. Max. memory is 7.1 GB. [2019-08-14 18:07:41,103 INFO L168 Benchmark]: Symbolic Interpretation took 39765.25 ms. Allocated memory was 330.8 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 73.1 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-14 18:07:41,116 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 90]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 978518#(and (< 417 ~a3~0) (= ~a15~0 4) (= ~a18~0 10) (= ~a24~0 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 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1941.95 ms. Allocated memory was 134.7 MB in the beginning and 227.5 MB in the end (delta: 92.8 MB). Free memory was 80.4 MB in the beginning and 107.7 MB in the end (delta: -27.3 MB). Peak memory consumption was 71.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 283.00 ms. Allocated memory is still 227.5 MB. Free memory was 107.7 MB in the beginning and 86.6 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4377.19 ms. Allocated memory was 227.5 MB in the beginning and 330.8 MB in the end (delta: 103.3 MB). Free memory was 86.6 MB in the beginning and 73.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 116.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 39765.25 ms. Allocated memory was 330.8 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 73.1 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). 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...