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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:44:14,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:44:14,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:44:14,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:44:14,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:44:14,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:44:14,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:44:14,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:44:14,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:44:14,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:44:14,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:44:14,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:44:14,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:44:14,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:44:14,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:44:14,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:44:14,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:44:14,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:44:14,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:44:14,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:44:14,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:44:14,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:44:14,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:44:14,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:44:14,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:44:14,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:44:14,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:44:14,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:44:14,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:44:14,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:44:14,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:44:14,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:44:14,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:44:14,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:44:14,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:44:14,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:44:14,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:44:14,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:44:14,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:44:14,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:44:14,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:44:14,530 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 21:44:14,544 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:44:14,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:44:14,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:44:14,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:44:14,546 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:44:14,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:44:14,546 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:44:14,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:44:14,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:44:14,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:44:14,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:44:14,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:44:14,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:44:14,548 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:44:14,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:44:14,548 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:44:14,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:44:14,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:44:14,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:44:14,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:44:14,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:44:14,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:44:14,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:44:14,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:44:14,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:44:14,550 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:44:14,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:44:14,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:44:14,551 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 -> InterpretCallSummarizer 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 21:44:14,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:44:14,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:44:14,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:44:14,610 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:44:14,610 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:44:14,611 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c [2019-09-20 21:44:14,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/073822e42/235816adfdca403a85aec5504c8a0572/FLAG38e7db9ce [2019-09-20 21:44:15,180 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:44:15,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c [2019-09-20 21:44:15,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/073822e42/235816adfdca403a85aec5504c8a0572/FLAG38e7db9ce [2019-09-20 21:44:15,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/073822e42/235816adfdca403a85aec5504c8a0572 [2019-09-20 21:44:15,522 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:44:15,523 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:44:15,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:44:15,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:44:15,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:44:15,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:44:15" (1/1) ... [2019-09-20 21:44:15,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7070b95c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:15, skipping insertion in model container [2019-09-20 21:44:15,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:44:15" (1/1) ... [2019-09-20 21:44:15,538 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:44:15,581 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:44:15,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:44:15,863 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:44:16,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:44:16,120 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:44:16,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:16 WrapperNode [2019-09-20 21:44:16,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:44:16,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:44:16,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:44:16,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:44:16,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:16" (1/1) ... [2019-09-20 21:44:16,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:16" (1/1) ... [2019-09-20 21:44:16,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:16" (1/1) ... [2019-09-20 21:44:16,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:16" (1/1) ... [2019-09-20 21:44:16,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:16" (1/1) ... [2019-09-20 21:44:16,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:16" (1/1) ... [2019-09-20 21:44:16,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:16" (1/1) ... [2019-09-20 21:44:16,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:44:16,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:44:16,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:44:16,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:44:16,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:44:16" (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 21:44:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:44:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:44:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 21:44:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-20 21:44:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 21:44:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 21:44:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 21:44:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 21:44:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 21:44:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 21:44:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 21:44:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 21:44:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 21:44:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 21:44:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 21:44:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 21:44:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 21:44:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 21:44:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 21:44:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:44:16,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:44:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:44:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 21:44:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-20 21:44:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 21:44:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 21:44:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 21:44:16,235 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 21:44:16,235 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 21:44:16,235 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 21:44:16,235 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 21:44:16,235 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 21:44:16,235 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 21:44:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 21:44:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 21:44:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 21:44:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 21:44:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 21:44:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 21:44:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:44:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:44:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:44:16,985 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:44:16,985 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 21:44:16,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:44:16 BoogieIcfgContainer [2019-09-20 21:44:16,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:44:16,989 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:44:16,989 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:44:16,990 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:44:16,991 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:44:16" (1/1) ... [2019-09-20 21:44:16,992 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:44:17,023 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:44:17,024 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:44:17,043 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:44:17,055 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:44:17,060 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:44:17,261 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 70 for LOIs [2019-09-20 21:44:17,478 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 68 for LOIs [2019-09-20 21:44:17,639 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-20 21:44:17,924 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2019-09-20 21:44:18,089 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2019-09-20 21:44:18,528 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2019-09-20 21:44:19,039 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-20 21:44:19,432 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-20 21:44:19,592 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 21:44:19,724 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-20 21:44:20,115 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-20 21:44:20,276 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 21:44:20,427 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-20 21:44:20,817 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-20 21:44:20,995 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 21:44:21,136 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-20 21:44:21,317 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-20 21:44:21,670 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 21:44:21,871 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 21:44:22,283 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-20 21:44:22,450 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 21:44:22,622 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 21:44:22,817 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 21:44:23,064 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2019-09-20 21:44:23,888 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-20 21:44:24,154 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 21:44:24,424 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 21:44:24,686 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 21:44:24,975 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 21:44:25,241 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 21:44:25,615 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 21:44:25,860 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 21:44:26,184 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 21:44:26,414 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 21:44:26,645 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 21:44:26,889 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-20 21:44:27,122 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-20 21:44:27,359 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-20 21:44:27,748 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2019-09-20 21:44:27,989 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-20 21:44:28,374 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2019-09-20 21:44:28,907 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-09-20 21:44:29,065 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 21:44:29,442 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-09-20 21:44:29,603 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 21:44:29,809 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 42 [2019-09-20 21:44:30,081 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2019-09-20 21:44:30,722 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-09-20 21:44:31,247 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2019-09-20 21:44:31,418 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 21:44:31,936 WARN L191 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-20 21:44:32,592 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:32,797 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:33,020 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:33,253 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 21:44:33,601 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 21:44:34,095 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-09-20 21:44:34,601 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 21:44:35,241 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-20 21:44:35,590 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:35,798 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:36,008 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:36,252 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 21:44:36,584 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 21:44:37,109 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-09-20 21:44:37,594 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 21:44:37,926 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2019-09-20 21:44:38,230 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-20 21:44:38,880 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-20 21:44:39,389 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2019-09-20 21:44:39,677 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2019-09-20 21:44:39,878 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 21:44:39,980 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 21:44:40,267 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2019-09-20 21:44:40,372 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-09-20 21:44:40,707 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 56 [2019-09-20 21:44:40,837 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 21:44:40,973 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 21:44:41,117 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 21:44:41,525 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 73 [2019-09-20 21:44:41,668 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 21:44:42,150 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 55 [2019-09-20 21:44:42,267 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 21:44:42,714 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 50 [2019-09-20 21:44:43,099 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 55 [2019-09-20 21:44:43,539 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 40 [2019-09-20 21:44:44,394 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:44,592 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:44,797 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:45,038 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 21:44:45,387 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 21:44:45,638 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2019-09-20 21:44:45,823 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-09-20 21:44:46,328 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 21:44:47,078 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 81 [2019-09-20 21:44:47,733 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:47,938 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:48,147 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:48,382 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 21:44:48,750 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 21:44:49,247 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-09-20 21:44:49,740 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 21:44:50,732 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:50,953 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:51,165 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 21:44:51,412 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 21:44:51,756 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 21:44:52,248 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-09-20 21:44:52,733 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 21:44:53,169 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 82 [2019-09-20 21:44:53,473 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-20 21:44:53,984 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 21:44:54,192 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-20 21:44:54,422 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2019-09-20 21:44:54,713 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2019-09-20 21:44:54,822 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 21:44:54,929 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 21:44:55,032 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 21:44:55,308 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2019-09-20 21:44:55,744 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2019-09-20 21:44:55,871 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 21:44:56,002 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 21:44:56,127 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 21:44:56,523 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2019-09-20 21:44:56,689 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 21:44:57,182 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 59 [2019-09-20 21:44:57,298 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 21:44:57,864 WARN L191 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 50 [2019-09-20 21:44:58,728 WARN L191 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 80 [2019-09-20 21:44:58,841 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 80