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/Problem12_label37.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 13:18:22,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 13:18:22,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 13:18:22,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 13:18:22,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 13:18:22,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 13:18:22,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 13:18:22,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 13:18:22,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 13:18:22,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 13:18:22,344 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 13:18:22,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 13:18:22,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 13:18:22,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 13:18:22,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 13:18:22,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 13:18:22,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 13:18:22,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 13:18:22,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 13:18:22,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 13:18:22,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 13:18:22,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 13:18:22,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 13:18:22,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 13:18:22,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 13:18:22,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 13:18:22,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 13:18:22,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 13:18:22,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 13:18:22,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 13:18:22,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 13:18:22,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 13:18:22,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 13:18:22,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 13:18:22,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 13:18:22,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 13:18:22,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 13:18:22,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 13:18:22,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 13:18:22,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 13:18:22,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 13:18:22,391 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 13:18:22,417 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 13:18:22,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 13:18:22,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 13:18:22,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 13:18:22,420 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 13:18:22,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 13:18:22,420 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 13:18:22,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 13:18:22,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 13:18:22,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 13:18:22,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 13:18:22,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 13:18:22,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 13:18:22,423 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 13:18:22,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 13:18:22,423 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 13:18:22,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 13:18:22,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 13:18:22,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 13:18:22,424 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 13:18:22,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 13:18:22,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 13:18:22,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 13:18:22,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 13:18:22,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 13:18:22,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 13:18:22,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 13:18:22,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 13:18:22,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 13:18:22,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 13:18:22,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 13:18:22,505 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 13:18:22,506 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 13:18:22,507 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 13:18:22,507 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label37.c [2019-08-14 13:18:22,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebb744a2d/e5198a160f5f4ee7bdf8705fdff72de3/FLAG8049700be [2019-08-14 13:18:23,284 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 13:18:23,285 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label37.c [2019-08-14 13:18:23,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebb744a2d/e5198a160f5f4ee7bdf8705fdff72de3/FLAG8049700be [2019-08-14 13:18:23,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebb744a2d/e5198a160f5f4ee7bdf8705fdff72de3 [2019-08-14 13:18:23,367 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 13:18:23,369 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 13:18:23,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 13:18:23,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 13:18:23,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 13:18:23,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 01:18:23" (1/1) ... [2019-08-14 13:18:23,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f9b1f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:23, skipping insertion in model container [2019-08-14 13:18:23,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 01:18:23" (1/1) ... [2019-08-14 13:18:23,391 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 13:18:23,548 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 13:18:25,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 13:18:25,340 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 13:18:25,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 13:18:26,025 INFO L192 MainTranslator]: Completed translation [2019-08-14 13:18:26,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:26 WrapperNode [2019-08-14 13:18:26,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 13:18:26,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 13:18:26,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 13:18:26,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 13:18:26,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:26" (1/1) ... [2019-08-14 13:18:26,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:26" (1/1) ... [2019-08-14 13:18:26,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:26" (1/1) ... [2019-08-14 13:18:26,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:26" (1/1) ... [2019-08-14 13:18:26,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:26" (1/1) ... [2019-08-14 13:18:26,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:26" (1/1) ... [2019-08-14 13:18:26,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:26" (1/1) ... [2019-08-14 13:18:26,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 13:18:26,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 13:18:26,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 13:18:26,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 13:18:26,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:26" (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 13:18:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 13:18:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 13:18:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 13:18:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 13:18:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 13:18:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 13:18:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 13:18:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 13:18:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 13:18:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 13:18:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 13:18:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 13:18:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 13:18:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 13:18:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 13:18:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 13:18:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 13:18:31,497 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 13:18:31,498 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 13:18:31,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 01:18:31 BoogieIcfgContainer [2019-08-14 13:18:31,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 13:18:31,501 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 13:18:31,501 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 13:18:31,501 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 13:18:31,502 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 01:18:31" (1/1) ... [2019-08-14 13:19:35,694 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:19:43,152 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:19:53,760 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-14 13:22:08,254 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:22:15,951 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:22:28,608 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-14 13:23:16,501 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 45927 conjuctions. This might take some time... [2019-08-14 13:28:05,241 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:28:18,007 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:28:21,734 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-14 13:30:29,178 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:30:40,888 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:30:44,491 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-14 13:31:29,487 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 91854 conjuctions. This might take some time...