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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 10:08:48,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 10:08:48,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 10:08:48,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 10:08:48,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 10:08:48,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 10:08:48,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 10:08:48,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 10:08:48,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 10:08:48,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 10:08:48,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 10:08:48,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 10:08:48,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 10:08:48,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 10:08:48,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 10:08:48,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 10:08:48,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 10:08:48,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 10:08:48,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 10:08:48,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 10:08:48,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 10:08:48,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 10:08:48,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 10:08:48,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 10:08:48,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 10:08:48,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 10:08:48,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 10:08:48,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 10:08:48,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 10:08:48,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 10:08:48,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 10:08:48,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 10:08:48,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 10:08:48,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 10:08:48,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 10:08:48,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 10:08:48,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 10:08:48,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 10:08:48,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 10:08:48,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 10:08:48,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 10:08:48,627 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 [2019-09-21 10:08:48,641 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 10:08:48,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 10:08:48,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 10:08:48,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 10:08:48,643 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 10:08:48,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 10:08:48,643 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 10:08:48,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 10:08:48,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 10:08:48,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 10:08:48,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 10:08:48,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 10:08:48,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 10:08:48,645 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 10:08:48,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 10:08:48,645 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 10:08:48,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 10:08:48,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 10:08:48,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 10:08:48,646 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 10:08:48,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 10:08:48,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 10:08:48,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 10:08:48,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 10:08:48,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 10:08:48,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 10:08:48,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 10:08:48,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 10:08:48,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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 -> 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_QUICK [2019-09-21 10:08:48,688 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 10:08:48,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 10:08:48,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 10:08:48,710 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 10:08:48,710 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 10:08:48,712 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-21 10:08:48,788 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8488a288/75b37872a2af41e0a52f1371f556bf78/FLAGbaf3e919f [2019-09-21 10:08:49,269 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 10:08:49,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-21 10:08:49,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8488a288/75b37872a2af41e0a52f1371f556bf78/FLAGbaf3e919f [2019-09-21 10:08:49,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8488a288/75b37872a2af41e0a52f1371f556bf78 [2019-09-21 10:08:49,682 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 10:08:49,684 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 10:08:49,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 10:08:49,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 10:08:49,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 10:08:49,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:08:49" (1/1) ... [2019-09-21 10:08:49,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14bac40a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:49, skipping insertion in model container [2019-09-21 10:08:49,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:08:49" (1/1) ... [2019-09-21 10:08:49,701 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 10:08:49,737 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 10:08:50,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 10:08:50,007 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 10:08:50,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 10:08:50,176 INFO L192 MainTranslator]: Completed translation [2019-09-21 10:08:50,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:50 WrapperNode [2019-09-21 10:08:50,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 10:08:50,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 10:08:50,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 10:08:50,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 10:08:50,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:50" (1/1) ... [2019-09-21 10:08:50,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:50" (1/1) ... [2019-09-21 10:08:50,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:50" (1/1) ... [2019-09-21 10:08:50,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:50" (1/1) ... [2019-09-21 10:08:50,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:50" (1/1) ... [2019-09-21 10:08:50,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:50" (1/1) ... [2019-09-21 10:08:50,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:50" (1/1) ... [2019-09-21 10:08:50,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 10:08:50,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 10:08:50,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 10:08:50,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 10:08:50,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:50" (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 [2019-09-21 10:08:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 10:08:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 10:08:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-21 10:08:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-21 10:08:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-21 10:08:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-21 10:08:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-21 10:08:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-21 10:08:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-21 10:08:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-21 10:08:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-21 10:08:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-21 10:08:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-21 10:08:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-21 10:08:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-21 10:08:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-21 10:08:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-21 10:08:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-21 10:08:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-21 10:08:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-21 10:08:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-21 10:08:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-21 10:08:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 10:08:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 10:08:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-21 10:08:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-21 10:08:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-21 10:08:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-21 10:08:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-21 10:08:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 10:08:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-21 10:08:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-21 10:08:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-21 10:08:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-21 10:08:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-21 10:08:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-21 10:08:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-21 10:08:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-21 10:08:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-21 10:08:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-21 10:08:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-21 10:08:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-21 10:08:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-21 10:08:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-21 10:08:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-21 10:08:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 10:08:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 10:08:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 10:08:51,332 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 10:08:51,333 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 10:08:51,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:08:51 BoogieIcfgContainer [2019-09-21 10:08:51,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 10:08:51,336 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 10:08:51,336 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 10:08:51,336 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 10:08:51,337 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:08:51" (1/1) ... [2019-09-21 10:08:51,338 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 10:08:51,376 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 10:08:51,376 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 10:08:51,397 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 10:08:51,408 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 10:08:51,409 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 10:08:51,701 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 91 for LOIs [2019-09-21 10:08:51,782 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 80 for LOIs [2019-09-21 10:08:51,925 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:51,962 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-09-21 10:08:52,138 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-09-21 10:08:52,537 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 82 [2019-09-21 10:08:52,842 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:52,855 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:52,875 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:55,032 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:55,038 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:55,189 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:55,204 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:55,318 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:55,359 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:55,476 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:55,685 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:57,182 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-09-21 10:08:57,216 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-09-21 10:08:57,553 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 59 [2019-09-21 10:08:57,565 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:57,570 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:57,692 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:57,771 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:57,894 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 94 for LOIs [2019-09-21 10:08:57,936 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:58,183 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:58,641 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:58,736 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:59,026 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:09:00,078 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2019-09-21 10:09:00,224 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2019-09-21 10:09:00,413 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 200 [2019-09-21 10:09:00,782 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:09:01,471 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 240 [2019-09-21 10:09:01,754 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2019-09-21 10:09:01,885 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2019-09-21 10:09:02,077 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 302 [2019-09-21 10:09:02,770 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 362 [2019-09-21 10:09:02,959 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2019-09-21 10:09:03,203 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 358 [2019-09-21 10:09:03,386 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 321 [2019-09-21 10:09:03,524 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 312 [2019-09-21 10:09:03,884 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 308 [2019-09-21 10:09:04,082 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 321 [2019-09-21 10:09:04,218 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 312 [2019-09-21 10:09:04,415 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 308 [2019-09-21 10:09:04,661 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 362 [2019-09-21 10:09:04,830 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 345 [2019-09-21 10:09:05,042 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 346 [2019-09-21 10:09:05,326 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 467 [2019-09-21 10:09:05,608 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 467 [2019-09-21 10:09:05,958 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 467 [2019-09-21 10:09:06,320 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 360 [2019-09-21 10:09:06,522 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 359 [2019-09-21 10:09:06,927 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 359 [2019-09-21 10:09:07,180 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 389 [2019-09-21 10:09:07,406 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2019-09-21 10:09:07,764 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 390 [2019-09-21 10:09:08,197 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 361 [2019-09-21 10:09:08,404 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 359 [2019-09-21 10:09:08,768 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 358 [2019-09-21 10:09:09,065 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 341 [2019-09-21 10:09:09,233 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 332 [2019-09-21 10:09:09,445 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 331 [2019-09-21 10:09:09,785 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 462 [2019-09-21 10:09:10,099 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 462 [2019-09-21 10:09:10,512 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 461 [2019-09-21 10:09:10,878 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 359 [2019-09-21 10:09:11,059 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 354 [2019-09-21 10:09:11,335 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 347 [2019-09-21 10:09:11,647 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 431 [2019-09-21 10:09:11,892 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 423 [2019-09-21 10:09:12,274 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 421 [2019-09-21 10:09:12,879 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 675 DAG size of output: 670 [2019-09-21 10:09:13,472 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 670 [2019-09-21 10:09:14,187 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 671 DAG size of output: 671 [2019-09-21 10:09:14,650 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 484 [2019-09-21 10:09:15,005 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 467 [2019-09-21 10:09:15,500 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 460 [2019-09-21 10:09:15,952 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 484 [2019-09-21 10:09:16,308 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 467 [2019-09-21 10:09:16,695 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 460 [2019-09-21 10:09:17,411 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 777 DAG size of output: 602 [2019-09-21 10:09:17,843 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 552 [2019-09-21 10:09:18,450 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 552 [2019-09-21 10:09:19,126 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 769 DAG size of output: 763 [2019-09-21 10:09:19,822 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 763 [2019-09-21 10:09:20,699 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 763 [2019-09-21 10:09:21,322 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 518 [2019-09-21 10:09:21,753 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-21 10:09:23,004 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-21 10:09:23,644 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 628 [2019-09-21 10:09:24,245 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 628 DAG size of output: 627 [2019-09-21 10:09:25,476 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 628 DAG size of output: 624 [2019-09-21 10:09:26,325 WARN L191 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 520 [2019-09-21 10:09:26,784 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 501 [2019-09-21 10:09:27,811 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 502 [2019-09-21 10:09:28,331 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 438 [2019-09-21 10:09:28,610 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 437 [2019-09-21 10:09:29,042 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 433 [2019-09-21 10:09:29,699 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 671 DAG size of output: 638 [2019-09-21 10:09:30,304 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 637 [2019-09-21 10:09:31,144 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 638