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.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:45:28,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:45:28,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:45:28,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:45:28,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:45:28,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:45:28,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:45:28,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:45:28,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:45:28,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:45:28,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:45:28,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:45:28,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:45:28,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:45:28,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:45:28,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:45:28,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:45:28,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:45:28,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:45:28,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:45:28,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:45:28,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:45:28,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:45:28,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:45:28,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:45:28,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:45:28,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:45:28,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:45:28,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:45:28,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:45:28,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:45:28,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:45:28,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:45:28,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:45:28,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:45:28,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:45:28,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:45:28,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:45:28,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:45:28,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:45:28,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:45:28,946 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 18:45:28,968 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:45:28,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:45:28,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:45:28,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:45:28,970 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:45:28,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:45:28,971 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:45:28,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:45:28,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:45:28,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:45:28,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:45:28,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:45:28,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:45:28,972 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:45:28,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:45:28,972 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:45:28,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:45:28,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:45:28,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:45:28,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:45:28,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:45:28,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:45:28,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:45:28,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:45:28,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:45:28,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:45:28,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:45:28,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:45:28,975 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 18:45:29,027 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:45:29,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:45:29,043 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:45:29,045 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:45:29,045 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:45:29,046 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2019-09-20 18:45:29,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f62718a2b/6493273067e1469594a1fc7df698d804/FLAG348d64341 [2019-09-20 18:45:29,594 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:45:29,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2019-09-20 18:45:29,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f62718a2b/6493273067e1469594a1fc7df698d804/FLAG348d64341 [2019-09-20 18:45:29,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f62718a2b/6493273067e1469594a1fc7df698d804 [2019-09-20 18:45:29,899 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:45:29,900 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:45:29,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:45:29,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:45:29,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:45:29,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:45:29" (1/1) ... [2019-09-20 18:45:29,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b78263 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 18:45:29,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:45:29" (1/1) ... [2019-09-20 18:45:29,917 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:45:29,969 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:45:30,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:45:30,356 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:45:30,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:45:30,476 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:45:30,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:30 WrapperNode [2019-09-20 18:45:30,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:45:30,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:45:30,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:45:30,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:45:30,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:30" (1/1) ... [2019-09-20 18:45:30,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:30" (1/1) ... [2019-09-20 18:45:30,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:30" (1/1) ... [2019-09-20 18:45:30,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:30" (1/1) ... [2019-09-20 18:45:30,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:30" (1/1) ... [2019-09-20 18:45:30,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:30" (1/1) ... [2019-09-20 18:45:30,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:30" (1/1) ... [2019-09-20 18:45:30,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:45:30,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:45:30,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:45:30,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:45:30,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:30" (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 18:45:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:45:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:45:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2019-09-20 18:45:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2019-09-20 18:45:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2019-09-20 18:45:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2019-09-20 18:45:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2019-09-20 18:45:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2019-09-20 18:45:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2019-09-20 18:45:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2019-09-20 18:45:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-20 18:45:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2019-09-20 18:45:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2019-09-20 18:45:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2019-09-20 18:45:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2019-09-20 18:45:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2019-09-20 18:45:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 18:45:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:45:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-20 18:45:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:45:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 18:45:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 18:45:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-20 18:45:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-20 18:45:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-20 18:45:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 18:45:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2019-09-20 18:45:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2019-09-20 18:45:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2019-09-20 18:45:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2019-09-20 18:45:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2019-09-20 18:45:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2019-09-20 18:45:30,637 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2019-09-20 18:45:30,637 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2019-09-20 18:45:30,637 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-20 18:45:30,637 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2019-09-20 18:45:30,637 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2019-09-20 18:45:30,637 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2019-09-20 18:45:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2019-09-20 18:45:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2019-09-20 18:45:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 18:45:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:45:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:45:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:45:31,465 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:45:31,467 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 18:45:31,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:45:31 BoogieIcfgContainer [2019-09-20 18:45:31,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:45:31,470 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:45:31,470 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:45:31,473 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:45:31,474 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:45:31" (1/1) ... [2019-09-20 18:45:31,475 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 18:45:31,511 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:45:31,512 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:45:31,531 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:45:31,543 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:45:31,545 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:45:31,931 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:45:32,137 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 18:45:32,325 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 18:45:32,528 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 18:45:32,547 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 178 for LOIs [2019-09-20 18:45:32,715 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-09-20 18:45:33,008 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-20 18:45:34,060 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-20 18:45:34,420 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2019-09-20 18:45:34,618 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2019-09-20 18:45:34,849 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 18:45:35,035 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 18:45:35,252 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 30 [2019-09-20 18:45:35,819 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 27 [2019-09-20 18:45:35,959 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2019-09-20 18:45:36,190 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 27 [2019-09-20 18:45:36,322 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 27 [2019-09-20 18:45:36,547 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-20 18:45:36,909 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 18:45:37,364 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2019-09-20 18:45:37,560 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2019-09-20 18:45:37,971 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2019-09-20 18:45:38,187 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2019-09-20 18:45:38,318 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2019-09-20 18:45:38,495 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-20 18:45:38,980 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 18:45:39,525 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-09-20 18:45:39,721 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-20 18:45:43,563 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2019-09-20 18:45:43,748 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2019-09-20 18:45:44,099 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-20 18:45:44,284 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:44,498 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:44,671 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-20 18:45:45,130 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2019-09-20 18:45:45,367 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2019-09-20 18:45:45,673 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-09-20 18:45:46,010 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-20 18:45:46,174 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:46,363 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:46,543 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-20 18:45:46,967 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2019-09-20 18:45:47,147 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2019-09-20 18:45:47,852 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-09-20 18:45:47,998 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2019-09-20 18:45:48,171 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-09-20 18:45:48,337 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-09-20 18:45:48,536 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-09-20 18:45:48,738 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2019-09-20 18:45:49,208 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2019-09-20 18:45:49,362 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-09-20 18:45:49,529 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2019-09-20 18:45:49,685 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-09-20 18:45:49,896 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-09-20 18:45:50,087 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2019-09-20 18:45:50,403 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-20 18:45:50,579 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:50,762 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:50,921 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-20 18:45:51,341 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2019-09-20 18:45:51,874 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-09-20 18:45:52,025 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2019-09-20 18:45:52,206 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-20 18:45:52,375 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:52,558 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-20 18:45:52,691 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:52,992 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-09-20 18:45:53,240 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-09-20 18:45:53,726 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2019-09-20 18:45:54,284 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2019-09-20 18:45:54,488 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-20 18:45:54,657 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:54,840 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-20 18:45:54,988 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:55,480 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2019-09-20 18:45:56,270 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-09-20 18:45:56,601 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-20 18:45:56,769 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:56,957 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-20 18:45:57,105 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:57,426 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-09-20 18:45:57,722 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-09-20 18:45:58,218 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2019-09-20 18:45:58,722 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2019-09-20 18:45:59,006 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2019-09-20 18:45:59,156 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-20 18:45:59,507 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2019-09-20 18:45:59,674 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-09-20 18:46:00,323 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2019-09-20 18:46:01,328 WARN L191 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 180 [2019-09-20 18:46:01,698 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-09-20 18:46:01,753 INFO L199 IcfgInterpreter]: Interpreting procedure check with input of size 18 for LOIs [2019-09-20 18:46:07,238 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2019-09-20 18:46:09,922 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 18:46:10,089 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 18:46:10,258 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 18:46:10,423 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 18:46:10,589 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 18:46:10,759 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35