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/Problem15_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 15:14:16,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 15:14:16,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 15:14:16,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 15:14:16,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 15:14:16,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 15:14:16,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 15:14:16,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 15:14:16,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 15:14:16,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 15:14:16,642 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 15:14:16,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 15:14:16,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 15:14:16,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 15:14:16,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 15:14:16,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 15:14:16,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 15:14:16,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 15:14:16,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 15:14:16,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 15:14:16,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 15:14:16,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 15:14:16,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 15:14:16,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 15:14:16,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 15:14:16,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 15:14:16,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 15:14:16,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 15:14:16,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 15:14:16,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 15:14:16,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 15:14:16,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 15:14:16,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 15:14:16,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 15:14:16,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 15:14:16,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 15:14:16,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 15:14:16,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 15:14:16,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 15:14:16,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 15:14:16,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 15:14:16,668 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 15:14:16,686 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 15:14:16,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 15:14:16,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 15:14:16,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 15:14:16,689 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 15:14:16,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 15:14:16,690 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 15:14:16,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 15:14:16,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 15:14:16,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 15:14:16,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 15:14:16,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 15:14:16,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 15:14:16,692 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 15:14:16,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 15:14:16,692 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 15:14:16,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 15:14:16,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 15:14:16,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 15:14:16,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 15:14:16,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 15:14:16,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 15:14:16,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 15:14:16,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 15:14:16,695 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 15:14:16,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 15:14:16,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 15:14:16,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 15:14:16,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 15:14:16,740 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 15:14:16,753 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 15:14:16,756 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 15:14:16,758 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 15:14:16,758 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 15:14:16,759 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label22.c [2019-08-14 15:14:16,818 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e70e05236/5b8aff0385eb44a6b67f128d362151aa/FLAG833d6717a [2019-08-14 15:14:17,500 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 15:14:17,501 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label22.c [2019-08-14 15:14:17,523 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e70e05236/5b8aff0385eb44a6b67f128d362151aa/FLAG833d6717a [2019-08-14 15:14:17,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e70e05236/5b8aff0385eb44a6b67f128d362151aa [2019-08-14 15:14:17,685 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 15:14:17,686 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 15:14:17,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 15:14:17,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 15:14:17,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 15:14:17,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:14:17" (1/1) ... [2019-08-14 15:14:17,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2770107f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:14:17, skipping insertion in model container [2019-08-14 15:14:17,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:14:17" (1/1) ... [2019-08-14 15:14:17,703 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 15:14:17,798 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 15:14:18,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 15:14:18,783 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 15:14:19,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 15:14:19,147 INFO L192 MainTranslator]: Completed translation [2019-08-14 15:14:19,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:14:19 WrapperNode [2019-08-14 15:14:19,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 15:14:19,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 15:14:19,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 15:14:19,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 15:14:19,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:14:19" (1/1) ... [2019-08-14 15:14:19,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:14:19" (1/1) ... [2019-08-14 15:14:19,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:14:19" (1/1) ... [2019-08-14 15:14:19,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:14:19" (1/1) ... [2019-08-14 15:14:19,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:14:19" (1/1) ... [2019-08-14 15:14:19,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:14:19" (1/1) ... [2019-08-14 15:14:19,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:14:19" (1/1) ... [2019-08-14 15:14:19,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 15:14:19,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 15:14:19,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 15:14:19,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 15:14:19,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:14:19" (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 15:14:19,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 15:14:19,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 15:14:19,417 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 15:14:19,417 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 15:14:19,417 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 15:14:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 15:14:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 15:14:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 15:14:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 15:14:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 15:14:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 15:14:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 15:14:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 15:14:23,384 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 15:14:23,385 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 15:14:23,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 03:14:23 BoogieIcfgContainer [2019-08-14 15:14:23,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 15:14:23,393 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 15:14:23,393 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 15:14:23,394 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 15:14:23,395 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 03:14:23" (1/1) ... [2019-08-14 15:14:30,479 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 39366 conjuctions. This might take some time... [2019-08-14 15:18:39,682 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-14 15:19:13,108 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-14 15:20:12,065 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 15309 conjuctions. This might take some time... [2019-08-14 15:20:55,512 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-14 15:21:08,304 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-14 15:21:22,498 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 354294 conjuctions. This might take some time...