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/Problem19_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 18:09:23,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 18:09:23,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 18:09:23,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 18:09:23,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 18:09:23,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 18:09:23,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 18:09:23,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 18:09:23,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 18:09:23,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 18:09:23,340 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 18:09:23,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 18:09:23,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 18:09:23,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 18:09:23,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 18:09:23,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 18:09:23,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 18:09:23,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 18:09:23,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 18:09:23,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 18:09:23,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 18:09:23,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 18:09:23,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 18:09:23,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 18:09:23,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 18:09:23,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 18:09:23,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 18:09:23,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 18:09:23,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 18:09:23,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 18:09:23,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 18:09:23,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 18:09:23,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 18:09:23,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 18:09:23,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 18:09:23,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 18:09:23,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 18:09:23,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 18:09:23,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 18:09:23,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 18:09:23,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 18:09:23,378 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 18:09:23,406 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 18:09:23,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 18:09:23,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 18:09:23,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 18:09:23,409 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 18:09:23,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 18:09:23,410 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 18:09:23,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 18:09:23,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 18:09:23,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 18:09:23,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 18:09:23,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 18:09:23,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 18:09:23,412 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 18:09:23,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 18:09:23,413 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 18:09:23,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 18:09:23,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 18:09:23,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 18:09:23,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 18:09:23,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 18:09:23,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 18:09:23,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 18:09:23,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 18:09:23,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 18:09:23,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 18:09:23,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 18:09:23,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 18:09:23,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 18:09:23,451 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 18:09:23,467 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 18:09:23,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 18:09:23,473 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 18:09:23,473 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 18:09:23,474 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label02.c [2019-08-14 18:09:23,541 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fe90ebb4/4227d982840d4bd1b15466dda35c66ec/FLAG84c14ba38 [2019-08-14 18:09:24,497 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 18:09:24,499 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label02.c [2019-08-14 18:09:24,572 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fe90ebb4/4227d982840d4bd1b15466dda35c66ec/FLAG84c14ba38 [2019-08-14 18:09:24,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fe90ebb4/4227d982840d4bd1b15466dda35c66ec [2019-08-14 18:09:24,914 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 18:09:24,916 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 18:09:24,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 18:09:24,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 18:09:24,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 18:09:24,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:09:24" (1/1) ... [2019-08-14 18:09:24,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@508aed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:24, skipping insertion in model container [2019-08-14 18:09:24,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:09:24" (1/1) ... [2019-08-14 18:09:24,932 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 18:09:25,176 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 18:09:27,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:09:27,364 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 18:09:28,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:09:28,836 INFO L192 MainTranslator]: Completed translation [2019-08-14 18:09:28,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:28 WrapperNode [2019-08-14 18:09:28,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 18:09:28,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 18:09:28,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 18:09:28,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 18:09:28,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:28" (1/1) ... [2019-08-14 18:09:28,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:28" (1/1) ... [2019-08-14 18:09:28,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:28" (1/1) ... [2019-08-14 18:09:28,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:28" (1/1) ... [2019-08-14 18:09:29,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:28" (1/1) ... [2019-08-14 18:09:29,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:28" (1/1) ... [2019-08-14 18:09:29,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:28" (1/1) ... [2019-08-14 18:09:29,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 18:09:29,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 18:09:29,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 18:09:29,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 18:09:29,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:28" (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 18:09:29,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 18:09:29,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 18:09:29,352 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 18:09:29,352 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 18:09:29,352 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 18:09:29,352 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 18:09:29,352 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-08-14 18:09:29,352 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2019-08-14 18:09:29,353 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 18:09:29,353 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 18:09:29,353 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 18:09:29,353 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 18:09:29,353 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 18:09:29,353 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-08-14 18:09:29,354 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2019-08-14 18:09:29,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 18:09:29,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 18:09:29,354 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 18:09:29,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 18:09:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 18:09:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 18:09:40,092 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 18:09:40,093 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 18:09:40,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:09:40 BoogieIcfgContainer [2019-08-14 18:09:40,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 18:09:40,098 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 18:09:40,098 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 18:09:40,098 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 18:09:40,099 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:09:40" (1/1) ... [2019-08-14 18:09:45,958 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 11907 conjuctions. This might take some time... [2019-08-14 18:10:20,699 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5103 conjuctions. This might take some time... [2019-08-14 18:10:38,499 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2019-08-14 18:11:33,223 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-14 18:11:51,546 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-14 18:12:01,268 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 39366 conjuctions. This might take some time... [2019-08-14 18:14:37,142 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-14 18:14:52,546 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-14 18:15:53,794 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 59049 conjuctions. This might take some time...