/usr/bin/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.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/token_ring.06.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 11:07:27,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 11:07:27,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 11:07:27,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 11:07:27,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 11:07:27,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 11:07:27,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 11:07:27,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 11:07:27,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 11:07:27,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 11:07:27,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 11:07:27,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 11:07:27,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 11:07:27,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 11:07:27,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 11:07:27,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 11:07:27,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 11:07:27,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 11:07:27,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 11:07:27,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 11:07:27,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 11:07:27,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 11:07:27,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 11:07:27,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 11:07:27,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 11:07:27,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 11:07:27,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 11:07:27,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 11:07:27,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 11:07:27,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 11:07:27,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 11:07:27,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 11:07:27,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 11:07:27,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 11:07:27,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 11:07:27,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 11:07:27,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 11:07:27,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 11:07:27,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 11:07:27,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 11:07:27,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 11:07:27,624 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 [2019-11-07 11:07:27,646 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 11:07:27,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 11:07:27,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 11:07:27,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 11:07:27,648 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 11:07:27,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 11:07:27,648 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 11:07:27,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 11:07:27,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 11:07:27,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 11:07:27,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 11:07:27,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 11:07:27,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 11:07:27,651 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 11:07:27,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 11:07:27,651 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 11:07:27,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 11:07:27,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 11:07:27,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 11:07:27,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 11:07:27,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 11:07:27,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 11:07:27,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 11:07:27,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 11:07:27,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 11:07:27,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 11:07:27,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 11:07:27,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 11:07:27,654 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: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 11:07:27,940 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 11:07:27,961 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 11:07:27,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 11:07:27,967 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 11:07:27,967 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 11:07:27,968 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.06.cil-1.c [2019-11-07 11:07:28,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fa42c853/83a4c5af558443f784c10e867d474cff/FLAG993aeac7c [2019-11-07 11:07:28,516 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 11:07:28,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.06.cil-1.c [2019-11-07 11:07:28,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fa42c853/83a4c5af558443f784c10e867d474cff/FLAG993aeac7c [2019-11-07 11:07:28,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fa42c853/83a4c5af558443f784c10e867d474cff [2019-11-07 11:07:28,857 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 11:07:28,858 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 11:07:28,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 11:07:28,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 11:07:28,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 11:07:28,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:07:28" (1/1) ... [2019-11-07 11:07:28,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b48207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:28, skipping insertion in model container [2019-11-07 11:07:28,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:07:28" (1/1) ... [2019-11-07 11:07:28,875 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 11:07:28,911 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 11:07:29,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 11:07:29,423 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 11:07:29,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 11:07:29,565 INFO L192 MainTranslator]: Completed translation [2019-11-07 11:07:29,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:29 WrapperNode [2019-11-07 11:07:29,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 11:07:29,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 11:07:29,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 11:07:29,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 11:07:29,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:29" (1/1) ... [2019-11-07 11:07:29,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:29" (1/1) ... [2019-11-07 11:07:29,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:29" (1/1) ... [2019-11-07 11:07:29,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:29" (1/1) ... [2019-11-07 11:07:29,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:29" (1/1) ... [2019-11-07 11:07:29,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:29" (1/1) ... [2019-11-07 11:07:29,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:29" (1/1) ... [2019-11-07 11:07:29,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 11:07:29,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 11:07:29,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 11:07:29,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 11:07:29,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 11:07:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 11:07:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 11:07:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-11-07 11:07:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-11-07 11:07:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-11-07 11:07:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-11-07 11:07:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2019-11-07 11:07:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2019-11-07 11:07:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2019-11-07 11:07:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2019-11-07 11:07:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-11-07 11:07:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-11-07 11:07:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-11-07 11:07:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2019-11-07 11:07:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2019-11-07 11:07:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2019-11-07 11:07:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2019-11-07 11:07:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-11-07 11:07:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-11-07 11:07:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-11-07 11:07:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-11-07 11:07:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-11-07 11:07:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-11-07 11:07:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-11-07 11:07:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-11-07 11:07:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-11-07 11:07:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-11-07 11:07:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-11-07 11:07:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-11-07 11:07:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-11-07 11:07:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 11:07:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 11:07:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-11-07 11:07:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-11-07 11:07:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-11-07 11:07:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-11-07 11:07:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2019-11-07 11:07:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2019-11-07 11:07:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2019-11-07 11:07:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2019-11-07 11:07:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-11-07 11:07:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 11:07:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-11-07 11:07:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-11-07 11:07:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-11-07 11:07:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2019-11-07 11:07:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2019-11-07 11:07:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2019-11-07 11:07:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2019-11-07 11:07:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-11-07 11:07:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-11-07 11:07:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-11-07 11:07:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-11-07 11:07:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-11-07 11:07:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-11-07 11:07:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-11-07 11:07:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-11-07 11:07:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-11-07 11:07:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-11-07 11:07:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-11-07 11:07:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-11-07 11:07:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 11:07:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 11:07:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 11:07:31,292 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 11:07:31,292 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-07 11:07:31,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:07:31 BoogieIcfgContainer [2019-11-07 11:07:31,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 11:07:31,294 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 11:07:31,294 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 11:07:31,295 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 11:07:31,296 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:07:31" (1/1) ... [2019-11-07 11:07:31,297 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 11:07:31,323 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 11:07:31,323 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 11:07:31,339 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 11:07:31,347 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 11:07:31,348 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 11:07:31,460 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 151 for LOIs [2019-11-07 11:07:31,505 INFO L197 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 138 for LOIs [2019-11-07 11:07:31,540 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-11-07 11:07:31,615 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-11-07 11:07:32,638 WARN L191 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-07 11:07:33,346 WARN L191 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-07 11:07:41,017 WARN L191 SmtUtils]: Spent 7.00 s on a formula simplification that was a NOOP. DAG size: 350 [2019-11-07 11:07:45,138 WARN L191 SmtUtils]: Spent 4.11 s on a formula simplification that was a NOOP. DAG size: 350 [2019-11-07 11:07:45,676 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2019-11-07 11:07:45,864 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 16384 conjuctions. This might take some time...