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/Problem06_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:57:28,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:57:28,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:57:28,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:57:28,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:57:28,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:57:28,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:57:28,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:57:28,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:57:28,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:57:28,358 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:57:28,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:57:28,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:57:28,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:57:28,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:57:28,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:57:28,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:57:28,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:57:28,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:57:28,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:57:28,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:57:28,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:57:28,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:57:28,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:57:28,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:57:28,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:57:28,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:57:28,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:57:28,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:57:28,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:57:28,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:57:28,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:57:28,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:57:28,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:57:28,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:57:28,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:57:28,385 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 16:57:28,400 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:57:28,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:57:28,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:57:28,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:57:28,402 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:57:28,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:57:28,402 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:57:28,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:57:28,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:57:28,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:57:28,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:57:28,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:57:28,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:57:28,404 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:57:28,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:57:28,404 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:57:28,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:57:28,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:57:28,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:57:28,405 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:57:28,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:57:28,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:57:28,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:57:28,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:57:28,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:57:28,406 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:57:28,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:57:28,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:57:28,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:57:28,435 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:57:28,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:57:28,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:57:28,453 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:57:28,454 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:57:28,455 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label10.c [2019-08-09 16:57:28,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc4d943b2/0adcf0b175de44a5999198b9c4bdbae9/FLAGa58aac1f9 [2019-08-09 16:57:29,459 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:57:29,461 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem06_label10.c [2019-08-09 16:57:29,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc4d943b2/0adcf0b175de44a5999198b9c4bdbae9/FLAGa58aac1f9 [2019-08-09 16:57:29,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc4d943b2/0adcf0b175de44a5999198b9c4bdbae9 [2019-08-09 16:57:29,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:57:29,878 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:57:29,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:57:29,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:57:29,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:57:29,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:57:29" (1/1) ... [2019-08-09 16:57:29,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e491838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:29, skipping insertion in model container [2019-08-09 16:57:29,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:57:29" (1/1) ... [2019-08-09 16:57:29,894 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:57:30,149 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:57:32,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:57:32,813 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:57:34,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:57:34,283 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:57:34,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:34 WrapperNode [2019-08-09 16:57:34,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:57:34,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:57:34,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:57:34,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:57:34,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:34" (1/1) ... [2019-08-09 16:57:34,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:34" (1/1) ... [2019-08-09 16:57:34,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:34" (1/1) ... [2019-08-09 16:57:34,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:34" (1/1) ... [2019-08-09 16:57:34,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:34" (1/1) ... [2019-08-09 16:57:34,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:34" (1/1) ... [2019-08-09 16:57:34,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:34" (1/1) ... [2019-08-09 16:57:34,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:57:34,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:57:34,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:57:34,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:57:34,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:34" (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 16:57:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:57:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:57:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:57:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 16:57:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 16:57:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 16:57:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-08-09 16:57:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:57:34,823 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:57:34,823 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 16:57:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 16:57:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 16:57:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-08-09 16:57:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:57:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:57:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:57:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:57:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:57:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:57:42,376 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:57:42,376 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:57:42,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:57:42 BoogieIcfgContainer [2019-08-09 16:57:42,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:57:42,382 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:57:42,383 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:57:42,384 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:57:42,385 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:57:42" (1/1) ... [2019-08-09 16:57:49,996 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:57:50,004 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:57:50,008 INFO L168 Benchmark]: Toolchain (without parser) took 20128.47 ms. Allocated memory was 179.8 MB in the beginning and 820.0 MB in the end (delta: 640.2 MB). Free memory was 142.0 MB in the beginning and 342.3 MB in the end (delta: -200.3 MB). Peak memory consumption was 547.1 MB. Max. memory is 7.1 GB. [2019-08-09 16:57:50,009 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:57:50,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4406.14 ms. Allocated memory was 179.8 MB in the beginning and 320.3 MB in the end (delta: 140.5 MB). Free memory was 142.0 MB in the beginning and 113.5 MB in the end (delta: 28.5 MB). Peak memory consumption was 193.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:57:50,012 INFO L168 Benchmark]: Boogie Preprocessor took 460.41 ms. Allocated memory was 320.3 MB in the beginning and 325.6 MB in the end (delta: 5.2 MB). Free memory was 113.5 MB in the beginning and 194.1 MB in the end (delta: -80.7 MB). Peak memory consumption was 42.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:57:50,015 INFO L168 Benchmark]: RCFGBuilder took 7632.43 ms. Allocated memory was 325.6 MB in the beginning and 613.4 MB in the end (delta: 287.8 MB). Free memory was 194.1 MB in the beginning and 440.1 MB in the end (delta: -245.9 MB). Peak memory consumption was 323.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:57:50,016 INFO L168 Benchmark]: Symbolic Interpretation took 7622.33 ms. Allocated memory was 613.4 MB in the beginning and 820.0 MB in the end (delta: 206.6 MB). Free memory was 440.1 MB in the beginning and 342.3 MB in the end (delta: 97.8 MB). Peak memory consumption was 411.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:57:50,029 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9321]: 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 119175#(and (= ~a27~0 19) (= ~a10~0 1) (= ~a14~0 4) (= 14 ~a3~0) (= 1 ~a2~0) (= ~a25~0 1) (= ~a26~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4406.14 ms. Allocated memory was 179.8 MB in the beginning and 320.3 MB in the end (delta: 140.5 MB). Free memory was 142.0 MB in the beginning and 113.5 MB in the end (delta: 28.5 MB). Peak memory consumption was 193.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 460.41 ms. Allocated memory was 320.3 MB in the beginning and 325.6 MB in the end (delta: 5.2 MB). Free memory was 113.5 MB in the beginning and 194.1 MB in the end (delta: -80.7 MB). Peak memory consumption was 42.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7632.43 ms. Allocated memory was 325.6 MB in the beginning and 613.4 MB in the end (delta: 287.8 MB). Free memory was 194.1 MB in the beginning and 440.1 MB in the end (delta: -245.9 MB). Peak memory consumption was 323.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 7622.33 ms. Allocated memory was 613.4 MB in the beginning and 820.0 MB in the end (delta: 206.6 MB). Free memory was 440.1 MB in the beginning and 342.3 MB in the end (delta: 97.8 MB). Peak memory consumption was 411.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...