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_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 23:56:46,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 23:56:46,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 23:56:46,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 23:56:46,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 23:56:46,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 23:56:46,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 23:56:46,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 23:56:46,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 23:56:46,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 23:56:46,089 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 23:56:46,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 23:56:46,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 23:56:46,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 23:56:46,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 23:56:46,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 23:56:46,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 23:56:46,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 23:56:46,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 23:56:46,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 23:56:46,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 23:56:46,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 23:56:46,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 23:56:46,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 23:56:46,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 23:56:46,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 23:56:46,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 23:56:46,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 23:56:46,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 23:56:46,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 23:56:46,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 23:56:46,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 23:56:46,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 23:56:46,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 23:56:46,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 23:56:46,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 23:56:46,115 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 23:56:46,128 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 23:56:46,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 23:56:46,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 23:56:46,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 23:56:46,130 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 23:56:46,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 23:56:46,131 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 23:56:46,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 23:56:46,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 23:56:46,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 23:56:46,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 23:56:46,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 23:56:46,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 23:56:46,132 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 23:56:46,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 23:56:46,132 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 23:56:46,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 23:56:46,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 23:56:46,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 23:56:46,133 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 23:56:46,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 23:56:46,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 23:56:46,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 23:56:46,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 23:56:46,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 23:56:46,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 23:56:46,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 23:56:46,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 23:56:46,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 23:56:46,162 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 23:56:46,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 23:56:46,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 23:56:46,179 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 23:56:46,179 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 23:56:46,180 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label42.c [2019-08-09 23:56:46,237 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3b862f3b/b883fc0f4fb943e4b322db22756e2313/FLAG54cce145a [2019-08-09 23:56:46,933 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 23:56:46,934 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label42.c [2019-08-09 23:56:46,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3b862f3b/b883fc0f4fb943e4b322db22756e2313/FLAG54cce145a [2019-08-09 23:56:47,056 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3b862f3b/b883fc0f4fb943e4b322db22756e2313 [2019-08-09 23:56:47,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 23:56:47,072 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 23:56:47,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 23:56:47,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 23:56:47,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 23:56:47,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:56:47" (1/1) ... [2019-08-09 23:56:47,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1efdb14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:47, skipping insertion in model container [2019-08-09 23:56:47,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:56:47" (1/1) ... [2019-08-09 23:56:47,090 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 23:56:47,225 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 23:56:48,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:56:48,536 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 23:56:48,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:56:48,990 INFO L192 MainTranslator]: Completed translation [2019-08-09 23:56:48,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:48 WrapperNode [2019-08-09 23:56:48,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 23:56:48,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 23:56:48,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 23:56:48,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 23:56:49,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:48" (1/1) ... [2019-08-09 23:56:49,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:48" (1/1) ... [2019-08-09 23:56:49,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:48" (1/1) ... [2019-08-09 23:56:49,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:48" (1/1) ... [2019-08-09 23:56:49,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:48" (1/1) ... [2019-08-09 23:56:49,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:48" (1/1) ... [2019-08-09 23:56:49,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:48" (1/1) ... [2019-08-09 23:56:49,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 23:56:49,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 23:56:49,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 23:56:49,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 23:56:49,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:48" (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 23:56:49,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 23:56:49,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 23:56:49,312 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 23:56:49,312 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 23:56:49,313 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 23:56:49,313 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 23:56:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 23:56:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 23:56:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 23:56:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 23:56:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 23:56:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 23:56:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 23:56:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 23:56:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 23:56:52,800 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 23:56:52,800 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 23:56:52,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:56:52 BoogieIcfgContainer [2019-08-09 23:56:52,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 23:56:52,806 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 23:56:52,806 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 23:56:52,807 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 23:56:52,808 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:56:52" (1/1) ... [2019-08-09 23:57:30,803 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 23:57:30,811 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 23:57:30,814 INFO L168 Benchmark]: Toolchain (without parser) took 43741.05 ms. Allocated memory was 141.0 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 77.0 MB in the beginning and 479.1 MB in the end (delta: -402.0 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-08-09 23:57:30,815 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory is still 106.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 23:57:30,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1917.47 ms. Allocated memory was 141.0 MB in the beginning and 236.5 MB in the end (delta: 95.4 MB). Free memory was 77.0 MB in the beginning and 113.8 MB in the end (delta: -36.7 MB). Peak memory consumption was 65.9 MB. Max. memory is 7.1 GB. [2019-08-09 23:57:30,816 INFO L168 Benchmark]: Boogie Preprocessor took 254.94 ms. Allocated memory is still 236.5 MB. Free memory was 113.8 MB in the beginning and 92.6 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-08-09 23:57:30,818 INFO L168 Benchmark]: RCFGBuilder took 3558.33 ms. Allocated memory was 236.5 MB in the beginning and 338.2 MB in the end (delta: 101.7 MB). Free memory was 92.6 MB in the beginning and 87.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 107.0 MB. Max. memory is 7.1 GB. [2019-08-09 23:57:30,819 INFO L168 Benchmark]: Symbolic Interpretation took 38005.02 ms. Allocated memory was 338.2 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 87.4 MB in the beginning and 479.1 MB in the end (delta: -391.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-08-09 23:57:30,823 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 156]: 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 992495#(and (= ~a15~0 4) (= ~a24~0 2) (= ~a18~0 11) (<= ~a3~0 115)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory is still 106.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1917.47 ms. Allocated memory was 141.0 MB in the beginning and 236.5 MB in the end (delta: 95.4 MB). Free memory was 77.0 MB in the beginning and 113.8 MB in the end (delta: -36.7 MB). Peak memory consumption was 65.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 254.94 ms. Allocated memory is still 236.5 MB. Free memory was 113.8 MB in the beginning and 92.6 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3558.33 ms. Allocated memory was 236.5 MB in the beginning and 338.2 MB in the end (delta: 101.7 MB). Free memory was 92.6 MB in the beginning and 87.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 107.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 38005.02 ms. Allocated memory was 338.2 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 87.4 MB in the beginning and 479.1 MB in the end (delta: -391.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...