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/Problem02_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:02:06,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:02:06,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:02:06,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:02:06,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:02:06,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:02:06,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:02:06,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:02:06,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:02:06,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:02:06,496 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:02:06,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:02:06,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:02:06,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:02:06,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:02:06,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:02:06,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:02:06,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:02:06,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:02:06,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:02:06,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:02:06,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:02:06,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:02:06,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:02:06,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:02:06,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:02:06,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:02:06,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:02:06,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:02:06,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:02:06,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:02:06,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:02:06,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:02:06,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:02:06,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:02:06,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:02:06,529 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 11:02:06,543 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:02:06,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:02:06,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:02:06,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:02:06,545 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:02:06,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:02:06,545 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:02:06,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:02:06,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:02:06,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:02:06,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:02:06,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:02:06,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:02:06,547 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:02:06,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:02:06,547 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:02:06,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:02:06,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:02:06,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:02:06,548 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:02:06,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:02:06,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:02:06,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:02:06,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:02:06,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:02:06,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:02:06,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:02:06,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:02:06,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:02:06,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:02:06,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:02:06,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:02:06,598 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:02:06,598 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:02:06,599 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label33.c [2019-08-14 11:02:06,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc647bca/be800ca2cceb49aebd6621ac6beb30ee/FLAG1613edf15 [2019-08-14 11:02:07,195 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:02:07,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label33.c [2019-08-14 11:02:07,210 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc647bca/be800ca2cceb49aebd6621ac6beb30ee/FLAG1613edf15 [2019-08-14 11:02:07,512 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc647bca/be800ca2cceb49aebd6621ac6beb30ee [2019-08-14 11:02:07,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:02:07,525 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:02:07,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:02:07,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:02:07,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:02:07,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:02:07" (1/1) ... [2019-08-14 11:02:07,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e251cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:07, skipping insertion in model container [2019-08-14 11:02:07,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:02:07" (1/1) ... [2019-08-14 11:02:07,543 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:02:07,608 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:02:08,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:02:08,148 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:02:08,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:02:08,292 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:02:08,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:08 WrapperNode [2019-08-14 11:02:08,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:02:08,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:02:08,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:02:08,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:02:08,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:08" (1/1) ... [2019-08-14 11:02:08,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:08" (1/1) ... [2019-08-14 11:02:08,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:08" (1/1) ... [2019-08-14 11:02:08,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:08" (1/1) ... [2019-08-14 11:02:08,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:08" (1/1) ... [2019-08-14 11:02:08,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:08" (1/1) ... [2019-08-14 11:02:08,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:08" (1/1) ... [2019-08-14 11:02:08,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:02:08,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:02:08,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:02:08,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:02:08,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:08" (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 11:02:08,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:02:08,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:02:08,474 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:02:08,474 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:02:08,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:02:08,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:02:08,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:02:08,475 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:02:08,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:02:08,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:02:08,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:02:09,775 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:02:09,776 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:02:09,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:02:09 BoogieIcfgContainer [2019-08-14 11:02:09,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:02:09,781 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:02:09,782 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:02:09,782 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:02:09,783 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:02:09" (1/1) ... [2019-08-14 11:02:11,192 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:02:11,195 INFO L168 Benchmark]: Toolchain (without parser) took 3669.01 ms. Allocated memory was 129.0 MB in the beginning and 286.3 MB in the end (delta: 157.3 MB). Free memory was 83.1 MB in the beginning and 200.9 MB in the end (delta: -117.7 MB). Peak memory consumption was 172.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:11,197 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 129.0 MB. Free memory was 103.1 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:02:11,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.75 ms. Allocated memory was 129.0 MB in the beginning and 200.8 MB in the end (delta: 71.8 MB). Free memory was 82.9 MB in the beginning and 166.3 MB in the end (delta: -83.4 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:11,198 INFO L168 Benchmark]: Boogie Preprocessor took 111.47 ms. Allocated memory is still 200.8 MB. Free memory was 166.3 MB in the beginning and 161.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:11,200 INFO L168 Benchmark]: RCFGBuilder took 1372.55 ms. Allocated memory was 200.8 MB in the beginning and 216.0 MB in the end (delta: 15.2 MB). Free memory was 161.2 MB in the beginning and 179.1 MB in the end (delta: -17.9 MB). Peak memory consumption was 100.4 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:11,201 INFO L168 Benchmark]: Symbolic Interpretation took 1411.45 ms. Allocated memory was 216.0 MB in the beginning and 286.3 MB in the end (delta: 70.3 MB). Free memory was 179.1 MB in the beginning and 200.9 MB in the end (delta: -21.8 MB). Peak memory consumption was 181.8 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:11,205 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 595]: 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 26384#(and (= ~a28~0 9) (not (= ~a19~0 1)) (= ~a17~0 7) (= ~a25~0 1) (= ~a21~0 1) (not (= ~a11~0 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 129.0 MB. Free memory was 103.1 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 766.75 ms. Allocated memory was 129.0 MB in the beginning and 200.8 MB in the end (delta: 71.8 MB). Free memory was 82.9 MB in the beginning and 166.3 MB in the end (delta: -83.4 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.47 ms. Allocated memory is still 200.8 MB. Free memory was 166.3 MB in the beginning and 161.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1372.55 ms. Allocated memory was 200.8 MB in the beginning and 216.0 MB in the end (delta: 15.2 MB). Free memory was 161.2 MB in the beginning and 179.1 MB in the end (delta: -17.9 MB). Peak memory consumption was 100.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1411.45 ms. Allocated memory was 216.0 MB in the beginning and 286.3 MB in the end (delta: 70.3 MB). Free memory was 179.1 MB in the beginning and 200.9 MB in the end (delta: -21.8 MB). Peak memory consumption was 181.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...