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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:45:28,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:45:28,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:45:28,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:45:28,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:45:28,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:45:28,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:45:28,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:45:28,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:45:28,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:45:28,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:45:28,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:45:28,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:45:28,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:45:28,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:45:28,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:45:28,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:45:28,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:45:28,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:45:28,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:45:28,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:45:28,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:45:28,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:45:28,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:45:28,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:45:28,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:45:28,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:45:28,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:45:28,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:45:28,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:45:28,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:45:28,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:45:28,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:45:28,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:45:28,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:45:28,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:45:28,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:45:28,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:45:28,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:45:28,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:45:28,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:45:28,289 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 18:45:28,316 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:45:28,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:45:28,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:45:28,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:45:28,319 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:45:28,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:45:28,319 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:45:28,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:45:28,319 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:45:28,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:45:28,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:45:28,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:45:28,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:45:28,322 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:45:28,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:45:28,322 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:45:28,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:45:28,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:45:28,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:45:28,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:45:28,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:45:28,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:45:28,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:45:28,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:45:28,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:45:28,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:45:28,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:45:28,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:45:28,325 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 18:45:28,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:45:28,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:45:28,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:45:28,383 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:45:28,383 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:45:28,384 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2019-09-20 18:45:28,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44cf55a7e/77c2a1215443487fa53384ef2276ac86/FLAG2abd9c500 [2019-09-20 18:45:28,958 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:45:28,959 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2019-09-20 18:45:28,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44cf55a7e/77c2a1215443487fa53384ef2276ac86/FLAG2abd9c500 [2019-09-20 18:45:29,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44cf55a7e/77c2a1215443487fa53384ef2276ac86 [2019-09-20 18:45:29,281 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:45:29,282 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:45:29,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:45:29,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:45:29,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:45:29,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:45:29" (1/1) ... [2019-09-20 18:45:29,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d65d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:29, skipping insertion in model container [2019-09-20 18:45:29,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:45:29" (1/1) ... [2019-09-20 18:45:29,298 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:45:29,338 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:45:29,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:45:29,733 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:45:29,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:45:29,829 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:45:29,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:29 WrapperNode [2019-09-20 18:45:29,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:45:29,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:45:29,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:45:29,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:45:29,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:29" (1/1) ... [2019-09-20 18:45:29,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:29" (1/1) ... [2019-09-20 18:45:29,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:29" (1/1) ... [2019-09-20 18:45:29,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:29" (1/1) ... [2019-09-20 18:45:29,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:29" (1/1) ... [2019-09-20 18:45:29,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:29" (1/1) ... [2019-09-20 18:45:29,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:29" (1/1) ... [2019-09-20 18:45:29,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:45:29,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:45:29,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:45:29,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:45:29,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:29" (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 18:45:30,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:45:30,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:45:30,021 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2019-09-20 18:45:30,021 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2019-09-20 18:45:30,021 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2019-09-20 18:45:30,021 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2019-09-20 18:45:30,021 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2019-09-20 18:45:30,022 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2019-09-20 18:45:30,022 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2019-09-20 18:45:30,022 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2019-09-20 18:45:30,022 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-20 18:45:30,022 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2019-09-20 18:45:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2019-09-20 18:45:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2019-09-20 18:45:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2019-09-20 18:45:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2019-09-20 18:45:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 18:45:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:45:30,024 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-20 18:45:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:45:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 18:45:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 18:45:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-20 18:45:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-20 18:45:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-20 18:45:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 18:45:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2019-09-20 18:45:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2019-09-20 18:45:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2019-09-20 18:45:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2019-09-20 18:45:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2019-09-20 18:45:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2019-09-20 18:45:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2019-09-20 18:45:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2019-09-20 18:45:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-20 18:45:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2019-09-20 18:45:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2019-09-20 18:45:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2019-09-20 18:45:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2019-09-20 18:45:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2019-09-20 18:45:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 18:45:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:45:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:45:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:45:30,975 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:45:30,975 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 18:45:30,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:45:30 BoogieIcfgContainer [2019-09-20 18:45:30,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:45:30,978 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:45:30,978 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:45:30,978 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:45:30,979 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:45:30" (1/1) ... [2019-09-20 18:45:30,980 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 18:45:31,003 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:45:31,004 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:45:31,018 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:45:31,028 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:45:31,030 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:45:31,454 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:45:31,677 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 18:45:31,877 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 18:45:32,078 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 18:45:32,099 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 178 for LOIs [2019-09-20 18:45:32,600 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-20 18:45:33,648 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-20 18:45:34,021 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2019-09-20 18:45:34,225 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2019-09-20 18:45:34,441 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 18:45:34,619 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 18:45:34,860 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 30 [2019-09-20 18:45:35,337 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 27 [2019-09-20 18:45:35,464 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-20 18:45:35,772 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 18:45:35,875 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 18:45:36,271 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2019-09-20 18:45:36,481 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2019-09-20 18:45:36,915 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2019-09-20 18:45:37,125 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2019-09-20 18:45:37,400 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2019-09-20 18:45:38,462 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-09-20 18:45:38,630 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-20 18:45:42,239 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2019-09-20 18:45:42,786 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-20 18:45:42,962 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:43,134 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-20 18:45:43,256 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:43,732 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2019-09-20 18:45:44,216 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-09-20 18:45:44,525 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-20 18:45:44,673 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:44,833 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:45,009 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-20 18:45:45,289 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2019-09-20 18:45:45,480 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2019-09-20 18:45:46,197 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-09-20 18:45:46,485 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-09-20 18:45:46,652 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-09-20 18:45:46,862 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-09-20 18:45:47,067 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2019-09-20 18:45:47,664 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-09-20 18:45:47,836 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2019-09-20 18:45:48,024 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-09-20 18:45:48,228 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-09-20 18:45:48,426 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2019-09-20 18:45:48,793 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-20 18:45:48,958 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:49,148 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:49,328 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-20 18:45:49,754 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2019-09-20 18:45:50,271 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-09-20 18:45:50,420 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2019-09-20 18:45:50,627 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-20 18:45:50,795 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:50,979 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:51,180 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-20 18:45:51,406 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-09-20 18:45:51,658 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-09-20 18:45:52,140 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2019-09-20 18:45:52,856 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-20 18:45:53,049 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:53,253 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:53,450 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-20 18:45:53,866 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2019-09-20 18:45:54,665 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-09-20 18:45:54,992 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-20 18:45:55,163 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:55,358 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:55,538 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-20 18:45:55,753 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-09-20 18:45:56,041 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-09-20 18:45:56,385 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2019-09-20 18:45:56,589 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2019-09-20 18:45:57,103 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2019-09-20 18:45:57,382 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2019-09-20 18:45:57,532 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-20 18:45:57,676 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2019-09-20 18:45:57,877 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2019-09-20 18:45:58,073 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-09-20 18:45:58,743 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2019-09-20 18:45:59,836 WARN L191 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 180 [2019-09-20 18:46:00,222 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-09-20 18:46:00,273 INFO L199 IcfgInterpreter]: Interpreting procedure check with input of size 18 for LOIs [2019-09-20 18:46:08,143 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 18:46:08,312 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 18:46:08,484 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 18:46:08,649 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 18:46:08,812 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 18:46:08,980 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 18:46:09,144 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 18:46:09,306 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 18:46:09,471 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 18:46:09,634 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 18:46:09,800 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 18:46:09,966 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 18:46:10,132 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35