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 ReUseSupersetCallSummarizer --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 20:41:26,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:41:26,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:41:26,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:41:26,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:41:26,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:41:26,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:41:26,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:41:26,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:41:26,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:41:26,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:41:26,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:41:26,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:41:26,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:41:26,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:41:26,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:41:26,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:41:26,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:41:26,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:41:26,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:41:26,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:41:26,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:41:26,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:41:26,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:41:26,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:41:26,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:41:26,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:41:26,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:41:26,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:41:26,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:41:26,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:41:26,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:41:26,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:41:26,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:41:26,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:41:26,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:41:26,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:41:26,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:41:26,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:41:26,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:41:26,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:41:26,998 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 20:41:27,016 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:41:27,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:41:27,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:41:27,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:41:27,018 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:41:27,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:41:27,019 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:41:27,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:41:27,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:41:27,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:41:27,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:41:27,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:41:27,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:41:27,020 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:41:27,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:41:27,020 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:41:27,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:41:27,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:41:27,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:41:27,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:41:27,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:41:27,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:41:27,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:41:27,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:41:27,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:41:27,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:41:27,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:41:27,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:41:27,023 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 -> ReUseSupersetCallSummarizer 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 20:41:27,053 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:41:27,069 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:41:27,075 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:41:27,076 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:41:27,077 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:41:27,077 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2019-09-20 20:41:27,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1439d5cb/9da7e5b16a554dabb6b7f81439d226ab/FLAG1314773d2 [2019-09-20 20:41:27,616 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:41:27,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2019-09-20 20:41:27,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1439d5cb/9da7e5b16a554dabb6b7f81439d226ab/FLAG1314773d2 [2019-09-20 20:41:27,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1439d5cb/9da7e5b16a554dabb6b7f81439d226ab [2019-09-20 20:41:27,953 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:41:27,955 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:41:27,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:41:27,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:41:27,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:41:27,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:41:27" (1/1) ... [2019-09-20 20:41:27,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6ad32f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:27, skipping insertion in model container [2019-09-20 20:41:27,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:41:27" (1/1) ... [2019-09-20 20:41:27,973 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:41:28,035 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:41:28,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:41:28,414 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:41:28,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:41:28,509 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:41:28,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:28 WrapperNode [2019-09-20 20:41:28,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:41:28,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:41:28,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:41:28,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:41:28,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:28" (1/1) ... [2019-09-20 20:41:28,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:28" (1/1) ... [2019-09-20 20:41:28,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:28" (1/1) ... [2019-09-20 20:41:28,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:28" (1/1) ... [2019-09-20 20:41:28,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:28" (1/1) ... [2019-09-20 20:41:28,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:28" (1/1) ... [2019-09-20 20:41:28,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:28" (1/1) ... [2019-09-20 20:41:28,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:41:28,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:41:28,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:41:28,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:41:28,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:41:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:41:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:41:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2019-09-20 20:41:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2019-09-20 20:41:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2019-09-20 20:41:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2019-09-20 20:41:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2019-09-20 20:41:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2019-09-20 20:41:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2019-09-20 20:41:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2019-09-20 20:41:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-20 20:41:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2019-09-20 20:41:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2019-09-20 20:41:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2019-09-20 20:41:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2019-09-20 20:41:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2019-09-20 20:41:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 20:41:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:41:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-20 20:41:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:41:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 20:41:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 20:41:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-20 20:41:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-20 20:41:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-20 20:41:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 20:41:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2019-09-20 20:41:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2019-09-20 20:41:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2019-09-20 20:41:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2019-09-20 20:41:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2019-09-20 20:41:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2019-09-20 20:41:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2019-09-20 20:41:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2019-09-20 20:41:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-20 20:41:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2019-09-20 20:41:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2019-09-20 20:41:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2019-09-20 20:41:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2019-09-20 20:41:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2019-09-20 20:41:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 20:41:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:41:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:41:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:41:30,182 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:41:30,183 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 20:41:30,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:41:30 BoogieIcfgContainer [2019-09-20 20:41:30,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:41:30,185 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:41:30,185 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:41:30,186 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:41:30,187 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:41:30" (1/1) ... [2019-09-20 20:41:30,187 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:41:30,212 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:41:30,212 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:41:30,222 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:41:30,231 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:41:30,233 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:41:30,497 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 20:41:30,665 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 20:41:30,971 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 20:41:31,213 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 20:41:31,224 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 178 for LOIs [2019-09-20 20:41:31,735 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2019-09-20 20:41:32,195 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2019-09-20 20:41:32,682 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 136 [2019-09-20 20:41:32,879 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 20:41:33,817 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 153 [2019-09-20 20:41:34,082 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 20:41:34,658 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 150 [2019-09-20 20:41:34,907 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-09-20 20:41:36,993 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 268 DAG size of output: 188 [2019-09-20 20:41:37,851 WARN L191 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-09-20 20:41:38,651 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-09-20 20:41:39,459 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-09-20 20:41:40,611 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 173 DAG size of output: 161 [2019-09-20 20:41:41,081 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-20 20:41:43,985 WARN L191 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 273 DAG size of output: 195 [2019-09-20 20:41:44,729 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-09-20 20:41:45,467 WARN L191 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-09-20 20:41:46,267 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-09-20 20:41:47,543 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 175 DAG size of output: 168 [2019-09-20 20:41:48,029 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 20:41:49,414 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 219 DAG size of output: 180 [2019-09-20 20:41:49,847 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-09-20 20:41:51,003 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 205 DAG size of output: 180 [2019-09-20 20:41:51,454 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-09-20 20:41:51,938 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-09-20 20:41:52,391 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-09-20 20:41:52,853 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-09-20 20:41:53,315 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-09-20 20:41:54,731 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 187 DAG size of output: 169 [2019-09-20 20:41:55,127 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-20 20:41:55,490 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-09-20 20:41:55,852 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-09-20 20:41:55,910 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 20:41:56,534 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:41:56,744 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:41:56,958 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:41:57,168 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:41:57,382 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:41:57,600 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:41:57,807 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:41:58,015 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:41:58,247 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:41:58,462 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:41:58,668 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:41:58,906 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2019-09-20 20:41:59,139 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 20:41:59,375 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 20:41:59,643 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 20:41:59,917 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 20:42:00,340 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2019-09-20 20:42:00,562 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:00,845 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:01,120 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:01,708 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 20:42:01,875 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 20:42:02,118 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 20:42:02,392 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 20:42:02,723 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:03,003 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:03,272 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:03,893 WARN L191 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 20:42:04,114 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:04,414 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:04,695 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:05,281 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 20:42:05,493 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:05,778 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:06,050 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:06,644 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 20:42:06,877 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:07,158 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:07,430 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:08,036 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 20:42:08,273 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:08,566 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:08,670 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-09-20 20:42:08,849 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:09,421 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 20:42:09,574 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2019-09-20 20:42:09,752 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2019-09-20 20:42:09,940 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2019-09-20 20:42:10,121 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2019-09-20 20:42:10,305 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2019-09-20 20:42:10,487 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2019-09-20 20:42:10,766 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-20 20:42:10,994 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-20 20:42:11,215 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-20 20:42:11,440 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-20 20:42:11,659 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-20 20:42:11,877 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-20 20:42:12,098 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-20 20:42:12,369 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-09-20 20:42:12,487 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 20:42:12,701 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-20 20:42:12,928 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-20 20:42:13,150 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47