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/Problem03_label31.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:03:53,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:03:53,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:03:54,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:03:54,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:03:54,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:03:54,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:03:54,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:03:54,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:03:54,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:03:54,009 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:03:54,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:03:54,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:03:54,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:03:54,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:03:54,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:03:54,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:03:54,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:03:54,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:03:54,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:03:54,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:03:54,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:03:54,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:03:54,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:03:54,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:03:54,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:03:54,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:03:54,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:03:54,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:03:54,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:03:54,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:03:54,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:03:54,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:03:54,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:03:54,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:03:54,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:03:54,042 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 11:03:54,061 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:03:54,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:03:54,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:03:54,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:03:54,065 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:03:54,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:03:54,065 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:03:54,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:03:54,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:03:54,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:03:54,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:03:54,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:03:54,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:03:54,067 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:03:54,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:03:54,068 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:03:54,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:03:54,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:03:54,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:03:54,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:03:54,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:03:54,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:03:54,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:03:54,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:03:54,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:03:54,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:03:54,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:03:54,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:03:54,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:03:54,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:03:54,149 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:03:54,152 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:03:54,154 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:03:54,154 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:03:54,155 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label31.c [2019-08-14 11:03:54,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e4a11db2/0de209c907924d86998f6f84bc290c56/FLAG55934a1c0 [2019-08-14 11:03:54,809 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:03:54,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label31.c [2019-08-14 11:03:54,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e4a11db2/0de209c907924d86998f6f84bc290c56/FLAG55934a1c0 [2019-08-14 11:03:54,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e4a11db2/0de209c907924d86998f6f84bc290c56 [2019-08-14 11:03:54,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:03:54,990 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:03:54,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:03:54,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:03:54,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:03:54,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:03:54" (1/1) ... [2019-08-14 11:03:54,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b9b6a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:54, skipping insertion in model container [2019-08-14 11:03:54,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:03:54" (1/1) ... [2019-08-14 11:03:55,007 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:03:55,100 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:03:55,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:03:55,777 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:03:56,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:03:56,235 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:03:56,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:56 WrapperNode [2019-08-14 11:03:56,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:03:56,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:03:56,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:03:56,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:03:56,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:56" (1/1) ... [2019-08-14 11:03:56,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:56" (1/1) ... [2019-08-14 11:03:56,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:56" (1/1) ... [2019-08-14 11:03:56,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:56" (1/1) ... [2019-08-14 11:03:56,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:56" (1/1) ... [2019-08-14 11:03:56,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:56" (1/1) ... [2019-08-14 11:03:56,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:56" (1/1) ... [2019-08-14 11:03:56,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:03:56,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:03:56,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:03:56,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:03:56,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:56" (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 11:03:56,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:03:56,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:03:56,476 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:03:56,476 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:03:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:03:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:03:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:03:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:03:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:03:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:03:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:03:58,555 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:03:58,556 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:03:58,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:03:58 BoogieIcfgContainer [2019-08-14 11:03:58,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:03:58,563 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:03:58,564 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:03:58,564 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:03:58,566 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:03:58" (1/1) ... [2019-08-14 11:04:02,380 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:04:02,383 INFO L168 Benchmark]: Toolchain (without parser) took 7392.08 ms. Allocated memory was 133.7 MB in the beginning and 463.5 MB in the end (delta: 329.8 MB). Free memory was 84.5 MB in the beginning and 78.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 345.8 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:02,384 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 133.7 MB. Free memory was 108.9 MB in the beginning and 108.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:04:02,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1246.07 ms. Allocated memory was 133.7 MB in the beginning and 221.2 MB in the end (delta: 87.6 MB). Free memory was 84.3 MB in the beginning and 168.4 MB in the end (delta: -84.1 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:02,386 INFO L168 Benchmark]: Boogie Preprocessor took 174.65 ms. Allocated memory is still 221.2 MB. Free memory was 168.4 MB in the beginning and 156.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:02,387 INFO L168 Benchmark]: RCFGBuilder took 2150.19 ms. Allocated memory was 221.2 MB in the beginning and 278.4 MB in the end (delta: 57.1 MB). Free memory was 156.0 MB in the beginning and 81.0 MB in the end (delta: 75.0 MB). Peak memory consumption was 132.1 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:02,389 INFO L168 Benchmark]: Symbolic Interpretation took 3817.12 ms. Allocated memory was 278.4 MB in the beginning and 463.5 MB in the end (delta: 185.1 MB). Free memory was 81.0 MB in the beginning and 78.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 197.6 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:02,393 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1488]: 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 59978#(and (= ~a18~0 1) (= 1 ~a5~0) (= 1 ~a3~0) (= ~a27~0 1) (= 1 ~a6~0) (= ~a12~0 1) (= ~a11~0 1) (= ~a26~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 133.7 MB. Free memory was 108.9 MB in the beginning and 108.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1246.07 ms. Allocated memory was 133.7 MB in the beginning and 221.2 MB in the end (delta: 87.6 MB). Free memory was 84.3 MB in the beginning and 168.4 MB in the end (delta: -84.1 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 174.65 ms. Allocated memory is still 221.2 MB. Free memory was 168.4 MB in the beginning and 156.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2150.19 ms. Allocated memory was 221.2 MB in the beginning and 278.4 MB in the end (delta: 57.1 MB). Free memory was 156.0 MB in the beginning and 81.0 MB in the end (delta: 75.0 MB). Peak memory consumption was 132.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3817.12 ms. Allocated memory was 278.4 MB in the beginning and 463.5 MB in the end (delta: 185.1 MB). Free memory was 81.0 MB in the beginning and 78.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 197.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...