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 --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 10:09:03,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 10:09:03,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 10:09:03,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 10:09:03,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 10:09:03,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 10:09:03,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 10:09:03,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 10:09:03,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 10:09:03,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 10:09:03,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 10:09:03,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 10:09:03,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 10:09:03,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 10:09:03,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 10:09:03,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 10:09:03,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 10:09:03,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 10:09:03,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 10:09:03,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 10:09:03,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 10:09:03,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 10:09:03,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 10:09:03,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 10:09:03,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 10:09:03,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 10:09:03,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 10:09:03,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 10:09:03,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 10:09:03,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 10:09:03,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 10:09:03,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 10:09:03,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 10:09:03,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 10:09:03,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 10:09:03,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 10:09:03,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 10:09:03,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 10:09:03,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 10:09:03,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 10:09:03,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 10:09:03,212 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 [2019-09-21 10:09:03,232 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 10:09:03,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 10:09:03,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 10:09:03,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 10:09:03,235 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 10:09:03,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 10:09:03,236 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 10:09:03,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 10:09:03,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 10:09:03,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 10:09:03,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 10:09:03,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 10:09:03,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 10:09:03,238 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 10:09:03,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 10:09:03,239 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 10:09:03,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 10:09:03,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 10:09:03,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 10:09:03,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 10:09:03,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 10:09:03,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 10:09:03,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 10:09:03,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 10:09:03,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 10:09:03,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 10:09:03,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 10:09:03,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 10:09:03,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 10:09:03,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 10:09:03,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 10:09:03,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 10:09:03,300 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 10:09:03,300 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 10:09:03,301 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2019-09-21 10:09:03,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96670e69a/2d172044097f4de79b10de73dd7b290f/FLAG3d1eba271 [2019-09-21 10:09:03,922 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 10:09:03,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2019-09-21 10:09:03,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96670e69a/2d172044097f4de79b10de73dd7b290f/FLAG3d1eba271 [2019-09-21 10:09:04,210 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96670e69a/2d172044097f4de79b10de73dd7b290f [2019-09-21 10:09:04,221 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 10:09:04,223 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 10:09:04,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 10:09:04,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 10:09:04,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 10:09:04,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:09:04" (1/1) ... [2019-09-21 10:09:04,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@702bca65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:09:04, skipping insertion in model container [2019-09-21 10:09:04,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:09:04" (1/1) ... [2019-09-21 10:09:04,239 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 10:09:04,304 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 10:09:04,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 10:09:04,724 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 10:09:04,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 10:09:04,828 INFO L192 MainTranslator]: Completed translation [2019-09-21 10:09:04,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:09:04 WrapperNode [2019-09-21 10:09:04,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 10:09:04,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 10:09:04,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 10:09:04,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 10:09:04,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:09:04" (1/1) ... [2019-09-21 10:09:04,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:09:04" (1/1) ... [2019-09-21 10:09:04,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:09:04" (1/1) ... [2019-09-21 10:09:04,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:09:04" (1/1) ... [2019-09-21 10:09:04,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:09:04" (1/1) ... [2019-09-21 10:09:04,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:09:04" (1/1) ... [2019-09-21 10:09:04,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:09:04" (1/1) ... [2019-09-21 10:09:04,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 10:09:04,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 10:09:04,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 10:09:04,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 10:09:04,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:09:04" (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 [2019-09-21 10:09:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 10:09:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 10:09:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2019-09-21 10:09:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2019-09-21 10:09:04,967 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2019-09-21 10:09:04,967 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2019-09-21 10:09:04,968 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2019-09-21 10:09:04,968 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2019-09-21 10:09:04,968 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2019-09-21 10:09:04,968 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2019-09-21 10:09:04,968 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-21 10:09:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2019-09-21 10:09:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2019-09-21 10:09:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2019-09-21 10:09:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2019-09-21 10:09:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2019-09-21 10:09:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-21 10:09:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 10:09:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-21 10:09:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 10:09:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-21 10:09:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-21 10:09:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-21 10:09:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-21 10:09:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-21 10:09:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 10:09:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2019-09-21 10:09:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2019-09-21 10:09:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2019-09-21 10:09:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2019-09-21 10:09:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2019-09-21 10:09:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2019-09-21 10:09:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2019-09-21 10:09:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2019-09-21 10:09:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-21 10:09:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2019-09-21 10:09:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2019-09-21 10:09:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2019-09-21 10:09:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2019-09-21 10:09:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2019-09-21 10:09:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-21 10:09:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 10:09:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 10:09:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 10:09:06,469 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 10:09:06,469 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 10:09:06,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:09:06 BoogieIcfgContainer [2019-09-21 10:09:06,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 10:09:06,471 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 10:09:06,471 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 10:09:06,472 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 10:09:06,473 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:09:06" (1/1) ... [2019-09-21 10:09:06,473 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 10:09:06,499 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 10:09:06,499 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 10:09:06,509 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 10:09:06,518 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 10:09:06,520 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 10:09:06,833 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-21 10:09:07,134 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 235 for LOIs [2019-09-21 10:09:18,610 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 224 [2019-09-21 10:09:19,449 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-09-21 10:09:19,847 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2019-09-21 10:09:19,987 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2019-09-21 10:09:20,167 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 256 [2019-09-21 10:09:24,293 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2019-09-21 10:09:24,438 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2019-09-21 10:09:24,735 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 300 [2019-09-21 10:09:24,855 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2019-09-21 10:09:24,967 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2019-09-21 10:09:25,332 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 300 [2019-09-21 10:09:26,096 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5824 conjuctions. This might take some time... [2019-09-21 10:09:33,434 INFO L199 IcfgInterpreter]: Interpreting procedure check with input of size 38 for LOIs