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_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 17:54:35,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 17:54:35,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 17:54:35,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 17:54:35,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 17:54:35,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 17:54:35,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 17:54:35,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 17:54:35,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 17:54:35,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 17:54:35,355 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 17:54:35,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 17:54:35,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 17:54:35,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 17:54:35,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 17:54:35,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 17:54:35,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 17:54:35,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 17:54:35,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 17:54:35,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 17:54:35,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 17:54:35,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 17:54:35,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 17:54:35,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 17:54:35,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 17:54:35,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 17:54:35,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 17:54:35,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 17:54:35,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 17:54:35,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 17:54:35,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 17:54:35,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 17:54:35,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 17:54:35,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 17:54:35,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 17:54:35,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 17:54:35,385 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 [2019-08-14 17:54:35,403 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 17:54:35,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 17:54:35,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 17:54:35,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 17:54:35,405 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 17:54:35,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 17:54:35,406 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 17:54:35,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 17:54:35,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 17:54:35,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 17:54:35,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 17:54:35,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 17:54:35,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 17:54:35,407 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 17:54:35,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 17:54:35,407 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 17:54:35,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 17:54:35,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 17:54:35,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 17:54:35,408 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 17:54:35,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 17:54:35,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 17:54:35,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 17:54:35,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 17:54:35,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 17:54:35,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 17:54:35,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 17:54:35,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 17:54:35,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 17:54:35,439 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 17:54:35,456 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 17:54:35,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 17:54:35,462 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 17:54:35,463 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 17:54:35,464 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label00.c [2019-08-14 17:54:35,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c2eb8fde/e65de50054b34cce82a5c2f8168cea5d/FLAGd414bb7a0 [2019-08-14 17:54:36,279 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 17:54:36,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label00.c [2019-08-14 17:54:36,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c2eb8fde/e65de50054b34cce82a5c2f8168cea5d/FLAGd414bb7a0 [2019-08-14 17:54:36,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c2eb8fde/e65de50054b34cce82a5c2f8168cea5d [2019-08-14 17:54:36,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 17:54:36,395 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 17:54:36,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 17:54:36,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 17:54:36,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 17:54:36,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 05:54:36" (1/1) ... [2019-08-14 17:54:36,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539391d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:54:36, skipping insertion in model container [2019-08-14 17:54:36,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 05:54:36" (1/1) ... [2019-08-14 17:54:36,415 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 17:54:36,556 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 17:54:38,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 17:54:38,034 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 17:54:38,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 17:54:38,486 INFO L192 MainTranslator]: Completed translation [2019-08-14 17:54:38,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:54:38 WrapperNode [2019-08-14 17:54:38,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 17:54:38,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 17:54:38,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 17:54:38,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 17:54:38,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:54:38" (1/1) ... [2019-08-14 17:54:38,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:54:38" (1/1) ... [2019-08-14 17:54:38,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:54:38" (1/1) ... [2019-08-14 17:54:38,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:54:38" (1/1) ... [2019-08-14 17:54:38,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:54:38" (1/1) ... [2019-08-14 17:54:38,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:54:38" (1/1) ... [2019-08-14 17:54:38,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:54:38" (1/1) ... [2019-08-14 17:54:38,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 17:54:38,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 17:54:38,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 17:54:38,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 17:54:38,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:54:38" (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 17:54:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 17:54:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 17:54:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 17:54:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 17:54:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 17:54:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 17:54:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 17:54:38,908 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 17:54:38,908 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 17:54:38,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 17:54:38,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 17:54:38,909 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 17:54:38,909 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 17:54:38,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 17:54:38,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 17:54:42,668 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 17:54:42,668 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 17:54:42,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 05:54:42 BoogieIcfgContainer [2019-08-14 17:54:42,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 17:54:42,671 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 17:54:42,671 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 17:54:42,671 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 17:54:42,672 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 05:54:42" (1/1) ... [2019-08-14 17:55:24,725 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 17:55:24,728 INFO L168 Benchmark]: Toolchain (without parser) took 48332.15 ms. Allocated memory was 131.1 MB in the beginning and 2.1 GB in the end (delta: 2.0 GB). Free memory was 74.3 MB in the beginning and 891.7 MB in the end (delta: -817.3 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2019-08-14 17:55:24,729 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 131.1 MB. Free memory was 102.7 MB in the beginning and 102.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 17:55:24,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2089.11 ms. Allocated memory was 131.1 MB in the beginning and 216.5 MB in the end (delta: 85.5 MB). Free memory was 74.1 MB in the beginning and 100.2 MB in the end (delta: -26.1 MB). Peak memory consumption was 67.1 MB. Max. memory is 7.1 GB. [2019-08-14 17:55:24,731 INFO L168 Benchmark]: Boogie Preprocessor took 341.80 ms. Allocated memory is still 216.5 MB. Free memory was 100.2 MB in the beginning and 79.3 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-08-14 17:55:24,733 INFO L168 Benchmark]: RCFGBuilder took 3840.39 ms. Allocated memory was 216.5 MB in the beginning and 387.4 MB in the end (delta: 170.9 MB). Free memory was 79.3 MB in the beginning and 201.4 MB in the end (delta: -122.1 MB). Peak memory consumption was 94.9 MB. Max. memory is 7.1 GB. [2019-08-14 17:55:24,734 INFO L168 Benchmark]: Symbolic Interpretation took 42054.80 ms. Allocated memory was 387.4 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 201.4 MB in the beginning and 891.7 MB in the end (delta: -690.2 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-08-14 17:55:24,738 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 66]: 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 980553#(and (= ~a15~0 4) (<= ~a3~0 115) (= ~a24~0 0) (= ~a18~0 9)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 131.1 MB. Free memory was 102.7 MB in the beginning and 102.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2089.11 ms. Allocated memory was 131.1 MB in the beginning and 216.5 MB in the end (delta: 85.5 MB). Free memory was 74.1 MB in the beginning and 100.2 MB in the end (delta: -26.1 MB). Peak memory consumption was 67.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 341.80 ms. Allocated memory is still 216.5 MB. Free memory was 100.2 MB in the beginning and 79.3 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3840.39 ms. Allocated memory was 216.5 MB in the beginning and 387.4 MB in the end (delta: 170.9 MB). Free memory was 79.3 MB in the beginning and 201.4 MB in the end (delta: -122.1 MB). Peak memory consumption was 94.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 42054.80 ms. Allocated memory was 387.4 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 201.4 MB in the beginning and 891.7 MB in the end (delta: -690.2 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...