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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer InterpretCallSummarizer --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 21:44:43,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:44:43,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:44:43,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:44:43,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:44:43,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:44:43,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:44:43,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:44:43,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:44:43,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:44:43,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:44:43,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:44:43,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:44:43,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:44:43,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:44:43,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:44:43,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:44:43,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:44:43,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:44:43,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:44:43,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:44:43,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:44:43,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:44:43,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:44:43,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:44:43,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:44:43,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:44:43,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:44:43,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:44:43,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:44:43,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:44:43,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:44:43,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:44:43,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:44:43,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:44:43,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:44:43,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:44:43,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:44:43,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:44:43,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:44:43,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:44:43,083 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 21:44:43,097 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:44:43,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:44:43,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:44:43,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:44:43,099 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:44:43,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:44:43,100 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:44:43,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:44:43,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:44:43,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:44:43,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:44:43,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:44:43,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:44:43,101 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:44:43,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:44:43,101 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:44:43,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:44:43,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:44:43,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:44:43,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:44:43,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:44:43,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:44:43,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:44:43,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:44:43,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:44:43,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:44:43,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:44:43,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:44:43,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> InterpretCallSummarizer 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 21:44:43,137 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:44:43,149 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:44:43,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:44:43,154 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:44:43,154 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:44:43,155 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2019-09-20 21:44:43,230 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dbef0784/74f859b9dd244028b31beb78a70bd1b1/FLAGf82f7241d [2019-09-20 21:44:43,741 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:44:43,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2019-09-20 21:44:43,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dbef0784/74f859b9dd244028b31beb78a70bd1b1/FLAGf82f7241d [2019-09-20 21:44:44,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dbef0784/74f859b9dd244028b31beb78a70bd1b1 [2019-09-20 21:44:44,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:44:44,046 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:44:44,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:44:44,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:44:44,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:44:44,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:44:44" (1/1) ... [2019-09-20 21:44:44,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c97aa4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:44, skipping insertion in model container [2019-09-20 21:44:44,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:44:44" (1/1) ... [2019-09-20 21:44:44,059 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:44:44,117 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:44:44,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:44:44,568 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:44:44,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:44:44,671 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:44:44,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:44 WrapperNode [2019-09-20 21:44:44,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:44:44,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:44:44,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:44:44,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:44:44,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:44" (1/1) ... [2019-09-20 21:44:44,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:44" (1/1) ... [2019-09-20 21:44:44,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:44" (1/1) ... [2019-09-20 21:44:44,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:44" (1/1) ... [2019-09-20 21:44:44,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:44" (1/1) ... [2019-09-20 21:44:44,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:44" (1/1) ... [2019-09-20 21:44:44,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:44" (1/1) ... [2019-09-20 21:44:44,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:44:44,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:44:44,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:44:44,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:44:44,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:44" (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 21:44:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:44:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:44:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2019-09-20 21:44:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2019-09-20 21:44:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2019-09-20 21:44:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2019-09-20 21:44:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2019-09-20 21:44:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2019-09-20 21:44:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2019-09-20 21:44:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2019-09-20 21:44:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-20 21:44:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2019-09-20 21:44:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2019-09-20 21:44:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2019-09-20 21:44:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2019-09-20 21:44:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2019-09-20 21:44:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 21:44:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:44:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-20 21:44:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:44:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 21:44:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 21:44:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-20 21:44:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-20 21:44:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-20 21:44:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 21:44:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2019-09-20 21:44:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2019-09-20 21:44:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2019-09-20 21:44:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2019-09-20 21:44:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2019-09-20 21:44:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2019-09-20 21:44:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2019-09-20 21:44:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2019-09-20 21:44:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-20 21:44:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2019-09-20 21:44:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2019-09-20 21:44:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2019-09-20 21:44:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2019-09-20 21:44:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2019-09-20 21:44:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 21:44:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:44:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:44:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:44:46,224 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:44:46,224 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 21:44:46,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:44:46 BoogieIcfgContainer [2019-09-20 21:44:46,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:44:46,227 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:44:46,227 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:44:46,228 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:44:46,230 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:44:46" (1/1) ... [2019-09-20 21:44:46,230 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:44:46,267 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:44:46,268 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:44:46,284 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:44:46,295 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:44:46,297 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:44:46,574 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 21:44:46,752 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 21:44:47,074 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 21:44:47,275 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 21:44:47,294 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 178 for LOIs [2019-09-20 21:44:47,814 WARN L191 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2019-09-20 21:44:48,295 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2019-09-20 21:44:48,830 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 136 [2019-09-20 21:44:49,036 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 21:44:50,032 WARN L191 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 153 [2019-09-20 21:44:50,301 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 21:44:50,898 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 150 [2019-09-20 21:44:51,157 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-09-20 21:44:53,184 WARN L191 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 268 DAG size of output: 188 [2019-09-20 21:44:54,030 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-09-20 21:44:54,895 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-09-20 21:44:55,715 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-09-20 21:44:56,886 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 173 DAG size of output: 161 [2019-09-20 21:44:57,303 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-20 21:45:00,225 WARN L191 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 273 DAG size of output: 195 [2019-09-20 21:45:01,045 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-09-20 21:45:01,836 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-09-20 21:45:02,682 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-09-20 21:45:04,045 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 175 DAG size of output: 168 [2019-09-20 21:45:04,559 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 21:45:06,032 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 219 DAG size of output: 180 [2019-09-20 21:45:06,460 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-09-20 21:45:07,701 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 205 DAG size of output: 180 [2019-09-20 21:45:08,136 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-09-20 21:45:08,602 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-09-20 21:45:09,050 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-09-20 21:45:09,538 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-09-20 21:45:10,003 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-09-20 21:45:11,451 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 187 DAG size of output: 169 [2019-09-20 21:45:11,842 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-20 21:45:12,193 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-09-20 21:45:12,564 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-09-20 21:45:12,631 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 21:45:13,224 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:13,439 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:13,651 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:13,870 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:14,079 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:14,287 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:14,506 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:14,721 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:14,937 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:15,160 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:15,382 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:15,629 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2019-09-20 21:45:15,867 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 21:45:16,097 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 21:45:16,379 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 21:45:16,706 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2019-09-20 21:45:17,098 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 21:45:17,510 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2019-09-20 21:45:17,678 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:17,880 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:18,137 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:18,367 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:18,657 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:18,950 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:19,207 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 21:45:19,446 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 21:45:19,724 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 21:45:19,987 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2019-09-20 21:45:20,350 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:20,558 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:20,814 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:21,054 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:21,315 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:21,607 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:21,854 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:22,062 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:22,324 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:22,546 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:22,801 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:22,906 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-09-20 21:45:23,108 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:23,347 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:23,548 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:23,800 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:24,029 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:24,290 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:24,570 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:24,826 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:25,062 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:25,316 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:25,556 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:25,821 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:26,102 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:26,352 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:26,564 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:26,814 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:27,045 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:27,311 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:27,598 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:28,043 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2019-09-20 21:45:28,228 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31