java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:41:09,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:41:09,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:41:09,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:41:09,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:41:09,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:41:09,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:41:09,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:41:09,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:41:09,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:41:09,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:41:09,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:41:09,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:41:09,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:41:09,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:41:09,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:41:09,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:41:09,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:41:09,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:41:09,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:41:09,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:41:09,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:41:09,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:41:09,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:41:09,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:41:09,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:41:09,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:41:09,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:41:09,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:41:09,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:41:09,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:41:09,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:41:09,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:41:09,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:41:09,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:41:09,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:41:09,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:41:09,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:41:09,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:41:09,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:41:09,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:41:09,973 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 20:41:09,996 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:41:09,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:41:09,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:41:09,999 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:41:09,999 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:41:09,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:41:09,999 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:41:10,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:41:10,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:41:10,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:41:10,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:41:10,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:41:10,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:41:10,002 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:41:10,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:41:10,002 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:41:10,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:41:10,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:41:10,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:41:10,003 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:41:10,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:41:10,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:41:10,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:41:10,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:41:10,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:41:10,004 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:41:10,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:41:10,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:41:10,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> ReUseSupersetCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 20:41:10,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:41:10,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:41:10,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:41:10,058 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:41:10,060 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:41:10,062 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-20 20:41:10,131 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c3f1f0d/52d9e0c52b4c46bf962f5d50a21c1139/FLAGc9a90e867 [2019-09-20 20:41:10,615 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:41:10,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-20 20:41:10,625 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c3f1f0d/52d9e0c52b4c46bf962f5d50a21c1139/FLAGc9a90e867 [2019-09-20 20:41:11,001 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c3f1f0d/52d9e0c52b4c46bf962f5d50a21c1139 [2019-09-20 20:41:11,013 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:41:11,014 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:41:11,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:41:11,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:41:11,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:41:11,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:41:11" (1/1) ... [2019-09-20 20:41:11,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1307dca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:11, skipping insertion in model container [2019-09-20 20:41:11,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:41:11" (1/1) ... [2019-09-20 20:41:11,029 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:41:11,072 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:41:11,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:41:11,399 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:41:11,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:41:11,483 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:41:11,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:11 WrapperNode [2019-09-20 20:41:11,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:41:11,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:41:11,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:41:11,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:41:11,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:11" (1/1) ... [2019-09-20 20:41:11,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:11" (1/1) ... [2019-09-20 20:41:11,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:11" (1/1) ... [2019-09-20 20:41:11,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:11" (1/1) ... [2019-09-20 20:41:11,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:11" (1/1) ... [2019-09-20 20:41:11,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:11" (1/1) ... [2019-09-20 20:41:11,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:11" (1/1) ... [2019-09-20 20:41:11,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:41:11,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:41:11,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:41:11,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:41:11,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:41:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:41:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:41:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 20:41:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 20:41:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 20:41:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-20 20:41:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 20:41:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 20:41:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-20 20:41:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 20:41:11,587 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 20:41:11,587 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 20:41:11,587 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 20:41:11,587 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 20:41:11,587 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 20:41:11,587 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 20:41:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 20:41:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 20:41:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 20:41:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 20:41:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 20:41:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 20:41:11,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:41:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:41:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 20:41:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 20:41:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 20:41:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-20 20:41:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 20:41:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 20:41:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 20:41:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 20:41:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-20 20:41:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 20:41:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 20:41:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 20:41:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 20:41:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 20:41:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 20:41:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 20:41:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 20:41:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 20:41:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 20:41:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 20:41:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 20:41:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:41:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:41:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:41:12,496 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:41:12,496 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 20:41:12,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:41:12 BoogieIcfgContainer [2019-09-20 20:41:12,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:41:12,498 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:41:12,498 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:41:12,499 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:41:12,500 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:41:12" (1/1) ... [2019-09-20 20:41:12,500 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:41:12,527 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:41:12,527 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:41:12,538 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:41:12,546 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:41:12,547 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:41:12,740 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 71 for LOIs [2019-09-20 20:41:12,877 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 66 for LOIs [2019-09-20 20:41:13,111 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 44 [2019-09-20 20:41:13,339 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 50 [2019-09-20 20:41:13,963 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2019-09-20 20:41:14,163 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 50 [2019-09-20 20:41:14,389 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-20 20:41:15,037 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 54 [2019-09-20 20:41:16,200 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-20 20:41:16,407 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 20:41:16,973 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-20 20:41:17,195 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 20:41:17,404 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-20 20:41:18,443 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2019-09-20 20:41:18,887 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 20:41:19,297 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2019-09-20 20:41:19,471 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 20:41:21,067 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 125 DAG size of output: 116 [2019-09-20 20:41:21,861 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 20:41:23,412 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 127 DAG size of output: 116 [2019-09-20 20:41:24,174 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 20:41:24,540 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 20:41:24,899 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 20:41:25,243 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-20 20:41:25,380 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 20:41:25,643 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 49 [2019-09-20 20:41:26,066 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2019-09-20 20:41:26,227 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 20:41:26,424 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 20:41:26,589 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 20:41:27,058 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2019-09-20 20:41:27,182 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 20:41:27,487 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 66 [2019-09-20 20:41:27,615 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 20:41:27,745 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 20:41:27,876 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 20:41:29,526 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 164 DAG size of output: 121 [2019-09-20 20:41:30,037 WARN L191 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 20:41:31,293 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 160 DAG size of output: 106 [2019-09-20 20:41:31,662 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 20:41:32,905 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 160 DAG size of output: 106 [2019-09-20 20:41:33,271 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 20:41:34,266 WARN L191 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 121 [2019-09-20 20:41:34,743 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 20:41:35,551 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 114 [2019-09-20 20:41:35,942 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 20:41:36,734 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 106 [2019-09-20 20:41:37,097 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 20:41:37,881 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 106 [2019-09-20 20:41:38,248 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 20:41:38,539 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-09-20 20:41:38,917 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2019-09-20 20:41:39,121 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2019-09-20 20:41:39,557 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2019-09-20 20:41:39,999 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 56 [2019-09-20 20:41:40,433 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-20 20:41:40,593 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 20:41:40,766 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 20:41:40,922 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 20:41:42,161 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 142 DAG size of output: 122 [2019-09-20 20:41:42,719 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 20:41:43,945 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 151 DAG size of output: 122 [2019-09-20 20:41:44,500 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 20:41:45,907 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 133 DAG size of output: 133 [2019-09-20 20:41:47,309 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 133 DAG size of output: 133 [2019-09-20 20:41:47,724 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-09-20 20:41:47,916 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-09-20 20:41:48,587 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2019-09-20 20:41:49,301 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2019-09-20 20:41:49,470 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2019-09-20 20:41:49,630 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2019-09-20 20:41:50,320 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2019-09-20 20:41:50,736 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-09-20 20:41:50,909 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2019-09-20 20:41:51,514 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-09-20 20:41:51,705 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2019-09-20 20:41:53,322 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-20 20:41:54,011 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-09-20 20:41:54,289 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 20:41:54,554 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41