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_DDA -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:44:00,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:44:00,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:44:00,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:44:00,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:44:00,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:44:00,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:44:00,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:44:00,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:44:00,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:44:00,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:44:00,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:44:00,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:44:00,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:44:00,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:44:00,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:44:00,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:44:00,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:44:00,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:44:00,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:44:00,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:44:00,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:44:00,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:44:00,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:44:00,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:44:00,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:44:00,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:44:00,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:44:00,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:44:00,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:44:00,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:44:00,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:44:00,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:44:00,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:44:00,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:44:00,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:44:00,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:44:00,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:44:00,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:44:00,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:44:00,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:44:00,225 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 [2019-09-20 17:44:00,239 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:44:00,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:44:00,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:44:00,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:44:00,241 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:44:00,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:44:00,241 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:44:00,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:44:00,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:44:00,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:44:00,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:44:00,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:44:00,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:44:00,243 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:44:00,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:44:00,243 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:44:00,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:44:00,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:44:00,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:44:00,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:44:00,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:44:00,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:44:00,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:44:00,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:44:00,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:44:00,245 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:44:00,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:44:00,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:44:00,246 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_DDA [2019-09-20 17:44:00,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:44:00,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:44:00,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:44:00,294 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:44:00,295 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:44:00,296 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2019-09-20 17:44:00,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/949d51cc7/9e7fcf74d9ef4f49bfe648baa82da04c/FLAG932f45576 [2019-09-20 17:44:00,843 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:44:00,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2019-09-20 17:44:00,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/949d51cc7/9e7fcf74d9ef4f49bfe648baa82da04c/FLAG932f45576 [2019-09-20 17:44:01,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/949d51cc7/9e7fcf74d9ef4f49bfe648baa82da04c [2019-09-20 17:44:01,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:44:01,199 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:44:01,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:44:01,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:44:01,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:44:01,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:44:01" (1/1) ... [2019-09-20 17:44:01,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72966280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:44:01, skipping insertion in model container [2019-09-20 17:44:01,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:44:01" (1/1) ... [2019-09-20 17:44:01,212 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:44:01,273 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:44:01,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:44:01,697 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:44:01,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:44:01,835 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:44:01,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:44:01 WrapperNode [2019-09-20 17:44:01,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:44:01,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:44:01,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:44:01,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:44:01,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:44:01" (1/1) ... [2019-09-20 17:44:01,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:44:01" (1/1) ... [2019-09-20 17:44:01,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:44:01" (1/1) ... [2019-09-20 17:44:01,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:44:01" (1/1) ... [2019-09-20 17:44:01,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:44:01" (1/1) ... [2019-09-20 17:44:01,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:44:01" (1/1) ... [2019-09-20 17:44:01,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:44:01" (1/1) ... [2019-09-20 17:44:01,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:44:01,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:44:01,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:44:01,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:44:01,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:44:01" (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 [2019-09-20 17:44:01,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:44:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:44:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2019-09-20 17:44:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2019-09-20 17:44:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2019-09-20 17:44:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2019-09-20 17:44:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2019-09-20 17:44:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2019-09-20 17:44:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2019-09-20 17:44:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2019-09-20 17:44:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-20 17:44:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2019-09-20 17:44:01,974 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2019-09-20 17:44:01,974 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2019-09-20 17:44:01,976 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2019-09-20 17:44:01,976 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2019-09-20 17:44:01,977 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 17:44:01,977 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:44:01,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-20 17:44:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:44:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 17:44:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 17:44:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-20 17:44:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-20 17:44:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-20 17:44:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 17:44:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2019-09-20 17:44:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2019-09-20 17:44:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2019-09-20 17:44:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2019-09-20 17:44:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2019-09-20 17:44:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2019-09-20 17:44:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2019-09-20 17:44:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2019-09-20 17:44:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-20 17:44:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2019-09-20 17:44:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2019-09-20 17:44:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2019-09-20 17:44:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2019-09-20 17:44:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2019-09-20 17:44:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 17:44:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:44:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:44:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:44:03,355 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:44:03,355 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 17:44:03,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:44:03 BoogieIcfgContainer [2019-09-20 17:44:03,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:44:03,358 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:44:03,358 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:44:03,358 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:44:03,360 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:44:03" (1/1) ... [2019-09-20 17:44:03,360 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 17:44:03,392 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:44:03,392 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:44:03,410 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:44:03,425 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:44:03,426 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:44:03,828 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 17:44:04,063 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 17:44:04,286 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 17:44:04,466 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 17:44:04,885 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 17:44:05,835 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 132 [2019-09-20 17:44:05,857 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 196 for LOIs [2019-09-20 17:44:06,042 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 17:44:06,220 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 17:44:06,572 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2019-09-20 17:44:07,404 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-09-20 17:44:09,138 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 377 [2019-09-20 17:44:10,388 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 377 [2019-09-20 17:44:11,512 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 377 [2019-09-20 17:44:12,800 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 377 [2019-09-20 17:44:14,156 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 377 [2019-09-20 17:44:15,266 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 377 [2019-09-20 17:44:15,707 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2019-09-20 17:44:15,898 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-20 17:44:16,203 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-09-20 17:44:16,407 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-09-20 17:44:16,557 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-09-20 17:44:16,706 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-09-20 17:44:16,841 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-09-20 17:44:16,951 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-09-20 17:44:17,426 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-09-20 17:44:17,625 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2019-09-20 17:44:17,834 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-20 17:44:18,092 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2019-09-20 17:44:19,147 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-09-20 17:44:19,359 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2019-09-20 17:44:19,513 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-09-20 17:44:19,855 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-09-20 17:44:20,207 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-09-20 17:44:20,551 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-09-20 17:44:20,756 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2019-09-20 17:44:20,920 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-09-20 17:44:21,265 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-09-20 17:44:21,620 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-09-20 17:44:21,830 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2019-09-20 17:44:22,011 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-09-20 17:44:22,346 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-09-20 17:44:22,559 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2019-09-20 17:44:22,729 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-09-20 17:44:22,917 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2019-09-20 17:44:23,158 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2019-09-20 17:44:23,412 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-09-20 17:44:23,570 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-20 17:44:23,807 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 17:44:23,960 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-20 17:44:24,216 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 17:44:24,420 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-20 17:44:24,693 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 17:44:24,876 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-20 17:44:25,119 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 17:44:25,364 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-20 17:44:25,478 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 17:44:25,717 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2019-09-20 17:44:25,891 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:44:26,146 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 17:44:26,334 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:44:26,584 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 17:44:26,755 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:44:27,025 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 17:44:27,200 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-20 17:44:27,441 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 17:44:27,592 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-20 17:44:27,824 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 17:44:28,005 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-20 17:44:28,285 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 17:44:28,470 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:44:28,720 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 17:44:28,908 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:44:29,155 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 17:44:29,312 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:44:29,581 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 17:44:29,810 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:44:30,127 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 17:44:30,354 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:44:30,601 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 17:44:30,757 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:44:31,006 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 17:44:31,226 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:44:31,473 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 17:44:31,641 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:44:31,913 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 17:44:32,089 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:44:32,337 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 17:44:32,567 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:44:32,817 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 17:44:32,983 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:44:33,226 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 17:44:33,385 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:44:33,635 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 17:44:33,855 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:44:34,103 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 17:44:34,266 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:44:34,511 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 17:44:34,677 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:44:34,916 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 17:44:35,104 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:35,320 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:35,487 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:35,712 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:35,862 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:36,081 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:36,227 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:36,454 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:36,600 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:36,815 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:36,973 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:37,198 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:37,343 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:37,567 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:37,715 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:37,943 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:38,101 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:38,328 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:38,485 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:38,711 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:38,877 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:39,118 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:39,273 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:39,493 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:39,643 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:39,870 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:40,020 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:40,254 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 17:44:40,412 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 17:44:40,642 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 17:44:40,802 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 17:44:41,029 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 17:44:41,181 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 17:44:41,401 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 17:44:41,553 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 17:44:41,774 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 17:44:41,926 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 17:44:42,154 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 17:44:42,300 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 17:44:42,528 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 17:44:42,876 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-09-20 17:44:42,982 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 53