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.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:44:43,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:44:43,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:44:43,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:44:43,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:44:43,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:44:43,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:44:43,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:44:43,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:44:43,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:44:43,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:44:43,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:44:43,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:44:43,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:44:43,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:44:43,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:44:43,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:44:43,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:44:43,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:44:43,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:44:43,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:44:43,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:44:43,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:44:43,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:44:43,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:44:43,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:44:43,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:44:43,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:44:43,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:44:43,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:44:43,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:44:43,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:44:43,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:44:43,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:44:43,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:44:43,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:44:43,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:44:43,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:44:43,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:44:43,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:44:43,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:44:43,708 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 21:44:43,735 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:44:43,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:44:43,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:44:43,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:44:43,737 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:44:43,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:44:43,738 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:44:43,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:44:43,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:44:43,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:44:43,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:44:43,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:44:43,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:44:43,739 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:44:43,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:44:43,740 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:44:43,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:44:43,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:44:43,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:44:43,741 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:44:43,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:44:43,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:44:43,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:44:43,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:44:43,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:44:43,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:44:43,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:44:43,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:44:43,743 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 21:44:43,783 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:44:43,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:44:43,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:44:43,804 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:44:43,805 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:44:43,805 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2019-09-20 21:44:43,857 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66946a921/666bfda100e547d88f9c9e28161582a5/FLAGc73271e88 [2019-09-20 21:44:44,371 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:44:44,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2019-09-20 21:44:44,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66946a921/666bfda100e547d88f9c9e28161582a5/FLAGc73271e88 [2019-09-20 21:44:44,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66946a921/666bfda100e547d88f9c9e28161582a5 [2019-09-20 21:44:44,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:44:44,692 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:44:44,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:44:44,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:44:44,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:44:44,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:44:44" (1/1) ... [2019-09-20 21:44:44,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2acf3c03 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 21:44:44,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:44:44" (1/1) ... [2019-09-20 21:44:44,704 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:44:44,744 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:44:45,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:44:45,138 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:44:45,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:44:45,231 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:44:45,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:45 WrapperNode [2019-09-20 21:44:45,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:44:45,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:44:45,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:44:45,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:44:45,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:45" (1/1) ... [2019-09-20 21:44:45,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:45" (1/1) ... [2019-09-20 21:44:45,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:45" (1/1) ... [2019-09-20 21:44:45,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:45" (1/1) ... [2019-09-20 21:44:45,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:45" (1/1) ... [2019-09-20 21:44:45,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:45" (1/1) ... [2019-09-20 21:44:45,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:45" (1/1) ... [2019-09-20 21:44:45,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:44:45,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:44:45,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:44:45,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:44:45,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:45" (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 21:44:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:44:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:44:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2019-09-20 21:44:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2019-09-20 21:44:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2019-09-20 21:44:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2019-09-20 21:44:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2019-09-20 21:44:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2019-09-20 21:44:45,398 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2019-09-20 21:44:45,398 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2019-09-20 21:44:45,398 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-20 21:44:45,398 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2019-09-20 21:44:45,400 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2019-09-20 21:44:45,401 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2019-09-20 21:44:45,401 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2019-09-20 21:44:45,402 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2019-09-20 21:44:45,405 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 21:44:45,405 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:44:45,405 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-20 21:44:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:44:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 21:44:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 21:44:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-20 21:44:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-20 21:44:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-20 21:44:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 21:44:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2019-09-20 21:44:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2019-09-20 21:44:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2019-09-20 21:44:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2019-09-20 21:44:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2019-09-20 21:44:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2019-09-20 21:44:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2019-09-20 21:44:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2019-09-20 21:44:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-20 21:44:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2019-09-20 21:44:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2019-09-20 21:44:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2019-09-20 21:44:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2019-09-20 21:44:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2019-09-20 21:44:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 21:44:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:44:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:44:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:44:46,661 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:44:46,661 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 21:44:46,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:44:46 BoogieIcfgContainer [2019-09-20 21:44:46,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:44:46,663 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:44:46,664 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:44:46,664 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:44:46,665 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 21:44:46,666 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 21:44:46,691 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:44:46,692 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:44:46,702 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:44:46,713 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:44:46,715 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:44:46,989 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 21:44:47,202 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 21:44:47,550 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 21:44:47,769 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 21:44:47,790 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 178 for LOIs [2019-09-20 21:44:48,339 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2019-09-20 21:44:48,838 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2019-09-20 21:44:49,379 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 136 [2019-09-20 21:44:49,608 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 21:44:50,644 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 201 DAG size of output: 153 [2019-09-20 21:44:50,919 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 21:44:51,506 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 150 [2019-09-20 21:44:51,772 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-09-20 21:44:53,927 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 268 DAG size of output: 188 [2019-09-20 21:44:54,849 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-09-20 21:44:55,741 WARN L191 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-09-20 21:44:56,604 WARN L191 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-09-20 21:44:57,772 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 173 DAG size of output: 161 [2019-09-20 21:44:58,250 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-20 21:45:01,342 WARN L191 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 273 DAG size of output: 195 [2019-09-20 21:45:02,178 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-09-20 21:45:02,955 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-09-20 21:45:03,747 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-09-20 21:45:05,096 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 175 DAG size of output: 168 [2019-09-20 21:45:05,574 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 21:45:07,023 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 219 DAG size of output: 180 [2019-09-20 21:45:07,457 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-09-20 21:45:08,699 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 205 DAG size of output: 180 [2019-09-20 21:45:09,137 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-09-20 21:45:09,621 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-09-20 21:45:10,050 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-09-20 21:45:10,489 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-09-20 21:45:10,933 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-09-20 21:45:12,378 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 187 DAG size of output: 169 [2019-09-20 21:45:12,772 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-20 21:45:13,113 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-09-20 21:45:13,456 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-09-20 21:45:13,523 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 21:45:14,082 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:14,291 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:14,500 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:14,714 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:14,921 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:15,124 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:15,327 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:15,527 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:15,737 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:15,941 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:16,146 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-20 21:45:16,381 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2019-09-20 21:45:16,622 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 21:45:16,852 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 21:45:17,109 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 21:45:17,374 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2019-09-20 21:45:17,727 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 21:45:18,151 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2019-09-20 21:45:18,304 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:18,511 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:18,757 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:18,981 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:19,245 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:19,513 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:19,767 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 21:45:19,993 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 21:45:20,272 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 21:45:20,530 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2019-09-20 21:45:20,892 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:21,099 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:21,367 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:21,586 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:21,849 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:22,123 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:22,356 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:22,585 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:22,820 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:23,036 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:23,293 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:23,582 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:23,693 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-09-20 21:45:23,843 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:24,053 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:24,302 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:24,531 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:24,800 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:25,092 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:25,334 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:25,547 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:25,797 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:26,041 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:26,292 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:26,577 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:26,819 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:27,015 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:27,264 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:27,507 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2019-09-20 21:45:27,752 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:28,030 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 21:45:28,463 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2019-09-20 21:45:28,646 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2019-09-20 21:45:28,832 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31