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/Problem01_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:00:35,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:00:35,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:00:35,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:00:35,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:00:35,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:00:35,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:00:35,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:00:35,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:00:35,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:00:35,430 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:00:35,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:00:35,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:00:35,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:00:35,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:00:35,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:00:35,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:00:35,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:00:35,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:00:35,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:00:35,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:00:35,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:00:35,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:00:35,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:00:35,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:00:35,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:00:35,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:00:35,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:00:35,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:00:35,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:00:35,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:00:35,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:00:35,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:00:35,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:00:35,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:00:35,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:00:35,458 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 11:00:35,473 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:00:35,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:00:35,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:00:35,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:00:35,475 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:00:35,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:00:35,475 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:00:35,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:00:35,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:00:35,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:00:35,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:00:35,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:00:35,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:00:35,476 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:00:35,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:00:35,477 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:00:35,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:00:35,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:00:35,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:00:35,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:00:35,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:00:35,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:00:35,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:00:35,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:00:35,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:00:35,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:00:35,479 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:00:35,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:00:35,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:00:35,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:00:35,526 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:00:35,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:00:35,531 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:00:35,531 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:00:35,531 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41.c [2019-08-14 11:00:35,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fabcd2b73/0e5331e28ee3496b80a0bc56f741beda/FLAG65aa1ec00 [2019-08-14 11:00:36,239 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:00:36,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label41.c [2019-08-14 11:00:36,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fabcd2b73/0e5331e28ee3496b80a0bc56f741beda/FLAG65aa1ec00 [2019-08-14 11:00:36,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fabcd2b73/0e5331e28ee3496b80a0bc56f741beda [2019-08-14 11:00:36,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:00:36,457 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:00:36,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:00:36,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:00:36,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:00:36,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:00:36" (1/1) ... [2019-08-14 11:00:36,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c6cb6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:00:36, skipping insertion in model container [2019-08-14 11:00:36,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:00:36" (1/1) ... [2019-08-14 11:00:36,476 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:00:36,550 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:00:37,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:00:37,051 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:00:37,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:00:37,284 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:00:37,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:00:37 WrapperNode [2019-08-14 11:00:37,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:00:37,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:00:37,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:00:37,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:00:37,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:00:37" (1/1) ... [2019-08-14 11:00:37,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:00:37" (1/1) ... [2019-08-14 11:00:37,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:00:37" (1/1) ... [2019-08-14 11:00:37,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:00:37" (1/1) ... [2019-08-14 11:00:37,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:00:37" (1/1) ... [2019-08-14 11:00:37,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:00:37" (1/1) ... [2019-08-14 11:00:37,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:00:37" (1/1) ... [2019-08-14 11:00:37,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:00:37,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:00:37,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:00:37,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:00:37,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:00:37" (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 11:00:37,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:00:37,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:00:37,473 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:00:37,473 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:00:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:00:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:00:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:00:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:00:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:00:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:00:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:00:38,769 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:00:38,770 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:00:38,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:00:38 BoogieIcfgContainer [2019-08-14 11:00:38,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:00:38,772 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:00:38,772 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:00:38,773 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:00:38,774 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:00:38" (1/1) ... [2019-08-14 11:00:40,414 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:00:40,417 INFO L168 Benchmark]: Toolchain (without parser) took 3959.25 ms. Allocated memory was 133.7 MB in the beginning and 265.8 MB in the end (delta: 132.1 MB). Free memory was 86.9 MB in the beginning and 94.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 136.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:00:40,418 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 133.7 MB. Free memory is still 106.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 11:00:40,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 826.56 ms. Allocated memory was 133.7 MB in the beginning and 203.9 MB in the end (delta: 70.3 MB). Free memory was 86.5 MB in the beginning and 169.1 MB in the end (delta: -82.5 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. [2019-08-14 11:00:40,420 INFO L168 Benchmark]: Boogie Preprocessor took 117.05 ms. Allocated memory is still 203.9 MB. Free memory was 169.1 MB in the beginning and 164.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-08-14 11:00:40,421 INFO L168 Benchmark]: RCFGBuilder took 1368.84 ms. Allocated memory was 203.9 MB in the beginning and 229.6 MB in the end (delta: 25.7 MB). Free memory was 163.3 MB in the beginning and 181.6 MB in the end (delta: -18.3 MB). Peak memory consumption was 89.0 MB. Max. memory is 7.1 GB. [2019-08-14 11:00:40,422 INFO L168 Benchmark]: Symbolic Interpretation took 1642.29 ms. Allocated memory was 229.6 MB in the beginning and 265.8 MB in the end (delta: 36.2 MB). Free memory was 181.6 MB in the beginning and 94.9 MB in the end (delta: 86.8 MB). Peak memory consumption was 135.4 MB. Max. memory is 7.1 GB. [2019-08-14 11:00:40,427 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 431]: 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 26954#(and (not (= ~a20~0 1)) (= 13 ~a8~0) (= ~a16~0 4) (not (= 1 ~a7~0)) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 133.7 MB. Free memory is still 106.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 826.56 ms. Allocated memory was 133.7 MB in the beginning and 203.9 MB in the end (delta: 70.3 MB). Free memory was 86.5 MB in the beginning and 169.1 MB in the end (delta: -82.5 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.05 ms. Allocated memory is still 203.9 MB. Free memory was 169.1 MB in the beginning and 164.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1368.84 ms. Allocated memory was 203.9 MB in the beginning and 229.6 MB in the end (delta: 25.7 MB). Free memory was 163.3 MB in the beginning and 181.6 MB in the end (delta: -18.3 MB). Peak memory consumption was 89.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1642.29 ms. Allocated memory was 229.6 MB in the beginning and 265.8 MB in the end (delta: 36.2 MB). Free memory was 181.6 MB in the beginning and 94.9 MB in the end (delta: 86.8 MB). Peak memory consumption was 135.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...