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.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:41:30,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:41:30,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:41:30,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:41:30,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:41:30,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:41:30,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:41:30,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:41:30,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:41:30,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:41:30,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:41:30,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:41:30,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:41:30,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:41:30,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:41:30,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:41:30,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:41:30,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:41:30,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:41:30,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:41:30,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:41:30,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:41:30,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:41:30,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:41:30,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:41:30,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:41:30,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:41:30,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:41:30,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:41:30,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:41:30,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:41:30,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:41:30,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:41:30,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:41:30,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:41:30,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:41:30,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:41:30,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:41:30,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:41:30,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:41:30,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:41:30,494 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 20:41:30,511 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:41:30,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:41:30,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:41:30,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:41:30,513 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:41:30,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:41:30,513 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:41:30,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:41:30,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:41:30,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:41:30,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:41:30,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:41:30,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:41:30,515 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:41:30,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:41:30,515 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:41:30,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:41:30,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:41:30,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:41:30,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:41:30,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:41:30,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:41:30,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:41:30,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:41:30,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:41:30,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:41:30,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:41:30,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:41:30,519 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 20:41:30,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:41:30,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:41:30,587 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:41:30,589 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:41:30,589 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:41:30,590 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2019-09-20 20:41:30,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da53ada6b/8965760e9b314cdaaf3996bb95e1f926/FLAG2e3417805 [2019-09-20 20:41:31,190 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:41:31,191 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2019-09-20 20:41:31,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da53ada6b/8965760e9b314cdaaf3996bb95e1f926/FLAG2e3417805 [2019-09-20 20:41:31,517 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da53ada6b/8965760e9b314cdaaf3996bb95e1f926 [2019-09-20 20:41:31,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:41:31,529 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:41:31,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:41:31,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:41:31,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:41:31,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:41:31" (1/1) ... [2019-09-20 20:41:31,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2979f7f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:31, skipping insertion in model container [2019-09-20 20:41:31,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:41:31" (1/1) ... [2019-09-20 20:41:31,545 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:41:31,596 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:41:31,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:41:32,003 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:41:32,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:41:32,097 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:41:32,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:32 WrapperNode [2019-09-20 20:41:32,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:41:32,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:41:32,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:41:32,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:41:32,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:32" (1/1) ... [2019-09-20 20:41:32,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:32" (1/1) ... [2019-09-20 20:41:32,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:32" (1/1) ... [2019-09-20 20:41:32,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:32" (1/1) ... [2019-09-20 20:41:32,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:32" (1/1) ... [2019-09-20 20:41:32,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:32" (1/1) ... [2019-09-20 20:41:32,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:32" (1/1) ... [2019-09-20 20:41:32,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:41:32,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:41:32,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:41:32,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:41:32,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:32" (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 20:41:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:41:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:41:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2019-09-20 20:41:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2019-09-20 20:41:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2019-09-20 20:41:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2019-09-20 20:41:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2019-09-20 20:41:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2019-09-20 20:41:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2019-09-20 20:41:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2019-09-20 20:41:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-20 20:41:32,277 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2019-09-20 20:41:32,277 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2019-09-20 20:41:32,278 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2019-09-20 20:41:32,278 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2019-09-20 20:41:32,279 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2019-09-20 20:41:32,281 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 20:41:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:41:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-20 20:41:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:41:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 20:41:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 20:41:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-20 20:41:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-20 20:41:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-20 20:41:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 20:41:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2019-09-20 20:41:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2019-09-20 20:41:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2019-09-20 20:41:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2019-09-20 20:41:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2019-09-20 20:41:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2019-09-20 20:41:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2019-09-20 20:41:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2019-09-20 20:41:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-20 20:41:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2019-09-20 20:41:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2019-09-20 20:41:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2019-09-20 20:41:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2019-09-20 20:41:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2019-09-20 20:41:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 20:41:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:41:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:41:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:41:33,684 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:41:33,684 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 20:41:33,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:41:33 BoogieIcfgContainer [2019-09-20 20:41:33,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:41:33,687 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:41:33,687 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:41:33,688 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:41:33,689 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:41:33" (1/1) ... [2019-09-20 20:41:33,690 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 20:41:33,722 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:41:33,723 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:41:33,742 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:41:33,754 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:41:33,755 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:41:34,050 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 20:41:34,232 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 20:41:34,554 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 20:41:34,758 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 20:41:34,776 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 178 for LOIs [2019-09-20 20:41:35,338 WARN L191 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2019-09-20 20:41:35,821 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2019-09-20 20:41:36,334 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 136 [2019-09-20 20:41:36,545 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 20:41:37,648 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 201 DAG size of output: 153 [2019-09-20 20:41:37,942 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 20:41:38,537 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 150 [2019-09-20 20:41:38,800 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-09-20 20:41:40,943 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 268 DAG size of output: 188 [2019-09-20 20:41:41,814 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-09-20 20:41:42,672 WARN L191 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-09-20 20:41:43,549 WARN L191 SmtUtils]: Spent 875.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-09-20 20:41:44,718 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 173 DAG size of output: 161 [2019-09-20 20:41:45,162 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-20 20:41:48,264 WARN L191 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 273 DAG size of output: 195 [2019-09-20 20:41:49,067 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-09-20 20:41:49,886 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-09-20 20:41:50,677 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-09-20 20:41:52,044 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 175 DAG size of output: 168 [2019-09-20 20:41:52,517 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 20:41:53,962 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 219 DAG size of output: 180 [2019-09-20 20:41:54,418 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-09-20 20:41:55,651 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 205 DAG size of output: 180 [2019-09-20 20:41:56,088 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-09-20 20:41:56,585 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-09-20 20:41:57,043 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-09-20 20:41:57,478 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-09-20 20:41:57,926 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-09-20 20:41:59,401 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 187 DAG size of output: 169 [2019-09-20 20:41:59,803 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-20 20:42:00,151 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-09-20 20:42:00,496 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-09-20 20:42:00,565 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 20:42:01,168 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:42:01,430 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:42:01,645 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:42:01,848 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:42:02,061 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:42:02,266 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:42:02,475 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:42:02,668 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:42:02,867 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:42:03,074 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:42:03,280 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 20:42:03,513 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2019-09-20 20:42:03,743 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 20:42:03,978 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 20:42:04,239 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 20:42:04,501 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 20:42:04,913 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2019-09-20 20:42:05,135 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:05,421 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:05,681 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:06,251 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 20:42:06,414 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 20:42:06,630 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 20:42:06,893 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 20:42:07,205 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:07,505 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:07,765 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:08,344 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 20:42:08,582 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:08,868 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:09,139 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:09,725 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 20:42:09,955 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:10,231 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:10,499 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:11,100 WARN L191 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 20:42:11,317 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:11,606 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:11,885 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:12,491 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 20:42:12,714 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:12,995 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:13,105 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-09-20 20:42:13,287 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 20:42:13,898 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 20:42:14,046 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2019-09-20 20:42:14,228 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2019-09-20 20:42:14,406 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2019-09-20 20:42:14,591 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2019-09-20 20:42:14,772 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2019-09-20 20:42:14,953 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31