java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 00:39:56,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 00:39:56,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 00:39:56,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 00:39:56,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 00:39:56,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 00:39:56,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 00:39:56,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 00:39:56,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 00:39:56,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 00:39:56,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 00:39:56,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 00:39:56,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 00:39:56,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 00:39:56,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 00:39:56,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 00:39:56,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 00:39:56,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 00:39:56,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 00:39:56,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 00:39:56,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 00:39:56,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 00:39:56,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 00:39:56,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 00:39:56,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 00:39:56,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 00:39:56,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 00:39:56,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 00:39:56,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 00:39:56,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 00:39:56,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 00:39:56,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 00:39:56,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 00:39:56,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 00:39:56,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 00:39:56,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 00:39:56,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 00:39:56,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 00:39:56,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 00:39:56,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 00:39:56,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 00:39:56,969 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 [2019-09-19 00:39:56,982 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 00:39:56,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 00:39:56,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 00:39:56,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 00:39:56,984 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 00:39:56,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 00:39:56,985 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 00:39:56,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 00:39:56,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 00:39:56,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 00:39:56,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 00:39:56,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 00:39:56,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 00:39:56,986 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 00:39:56,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 00:39:56,986 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 00:39:56,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 00:39:56,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 00:39:56,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 00:39:56,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 00:39:56,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 00:39:56,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 00:39:56,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 00:39:56,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 00:39:56,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 00:39:56,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 00:39:56,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 00:39:56,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 00:39:56,989 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> ReUseSupersetCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 00:39:57,020 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 00:39:57,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 00:39:57,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 00:39:57,041 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 00:39:57,048 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 00:39:57,049 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-19 00:39:57,124 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/059f11c9f/1f7a3e0af5e7451783f0fa9bca0e739a/FLAG382b81f97 [2019-09-19 00:39:57,557 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 00:39:57,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-19 00:39:57,577 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/059f11c9f/1f7a3e0af5e7451783f0fa9bca0e739a/FLAG382b81f97 [2019-09-19 00:39:57,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/059f11c9f/1f7a3e0af5e7451783f0fa9bca0e739a [2019-09-19 00:39:57,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 00:39:57,927 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 00:39:57,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 00:39:57,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 00:39:57,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 00:39:57,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 12:39:57" (1/1) ... [2019-09-19 00:39:57,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1f31e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:57, skipping insertion in model container [2019-09-19 00:39:57,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 12:39:57" (1/1) ... [2019-09-19 00:39:57,943 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 00:39:57,994 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 00:39:58,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 00:39:58,279 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 00:39:58,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 00:39:58,464 INFO L192 MainTranslator]: Completed translation [2019-09-19 00:39:58,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:58 WrapperNode [2019-09-19 00:39:58,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 00:39:58,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 00:39:58,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 00:39:58,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 00:39:58,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:58" (1/1) ... [2019-09-19 00:39:58,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:58" (1/1) ... [2019-09-19 00:39:58,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:58" (1/1) ... [2019-09-19 00:39:58,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:58" (1/1) ... [2019-09-19 00:39:58,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:58" (1/1) ... [2019-09-19 00:39:58,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:58" (1/1) ... [2019-09-19 00:39:58,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:58" (1/1) ... [2019-09-19 00:39:58,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 00:39:58,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 00:39:58,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 00:39:58,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 00:39:58,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:58" (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 [2019-09-19 00:39:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 00:39:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 00:39:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-19 00:39:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-19 00:39:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-19 00:39:58,590 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-19 00:39:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-19 00:39:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-19 00:39:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-19 00:39:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-19 00:39:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-19 00:39:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-19 00:39:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-19 00:39:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-19 00:39:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-19 00:39:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-19 00:39:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-19 00:39:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-19 00:39:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-19 00:39:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-19 00:39:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-19 00:39:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-19 00:39:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 00:39:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 00:39:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-19 00:39:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-19 00:39:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-19 00:39:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-19 00:39:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-19 00:39:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 00:39:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-19 00:39:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-19 00:39:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-19 00:39:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-19 00:39:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-19 00:39:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-19 00:39:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-19 00:39:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-19 00:39:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-19 00:39:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-19 00:39:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-19 00:39:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-19 00:39:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-19 00:39:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-19 00:39:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-19 00:39:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 00:39:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 00:39:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 00:39:59,567 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 00:39:59,567 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 00:39:59,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 12:39:59 BoogieIcfgContainer [2019-09-19 00:39:59,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 00:39:59,569 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 00:39:59,570 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 00:39:59,570 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 00:39:59,571 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 12:39:59" (1/1) ... [2019-09-19 00:39:59,572 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 00:39:59,604 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 00:39:59,604 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 00:39:59,619 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 00:39:59,631 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 00:39:59,633 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 00:39:59,858 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 71 for LOIs [2019-09-19 00:40:00,005 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 66 for LOIs [2019-09-19 00:40:00,240 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 44 [2019-09-19 00:40:00,448 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 50 [2019-09-19 00:40:01,094 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-09-19 00:40:01,335 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 50 [2019-09-19 00:40:01,529 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-19 00:40:02,169 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2019-09-19 00:40:03,124 WARN L191 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2019-09-19 00:40:03,367 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-19 00:40:03,590 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-19 00:40:03,691 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-19 00:40:04,586 WARN L191 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2019-09-19 00:40:05,007 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-19 00:40:05,786 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2019-09-19 00:40:06,196 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-19 00:40:06,560 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2019-09-19 00:40:06,731 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-19 00:40:07,596 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 109 [2019-09-19 00:40:07,938 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-19 00:40:09,340 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 125 DAG size of output: 125 [2019-09-19 00:40:10,030 WARN L191 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-19 00:40:11,023 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-19 00:40:11,339 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-19 00:40:12,839 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 157 DAG size of output: 136 [2019-09-19 00:40:13,490 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-19 00:40:14,774 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 149 DAG size of output: 136 [2019-09-19 00:40:15,400 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-19 00:40:15,989 WARN L191 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2019-09-19 00:40:16,118 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-19 00:40:16,398 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 48 [2019-09-19 00:40:17,128 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 61 [2019-09-19 00:40:17,276 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-19 00:40:17,438 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-19 00:40:17,592 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-19 00:40:18,406 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2019-09-19 00:40:18,531 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-19 00:40:18,848 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 68 [2019-09-19 00:40:18,981 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-19 00:40:19,115 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-19 00:40:19,249 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-19 00:40:20,614 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 151 DAG size of output: 129 [2019-09-19 00:40:21,251 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-19 00:40:21,725 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2019-09-19 00:40:21,949 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2019-09-19 00:40:22,312 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2019-09-19 00:40:22,526 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2019-09-19 00:40:23,040 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 48 [2019-09-19 00:40:23,582 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 53 [2019-09-19 00:40:24,126 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-19 00:40:24,355 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-19 00:40:24,583 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-19 00:40:24,811 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-19 00:40:26,776 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 160 DAG size of output: 140 [2019-09-19 00:40:27,667 WARN L191 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-19 00:40:31,140 WARN L191 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 174 DAG size of output: 153 [2019-09-19 00:40:31,451 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-19 00:40:32,613 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 156 DAG size of output: 110 [2019-09-19 00:40:32,948 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-19 00:40:33,678 WARN L191 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 110 [2019-09-19 00:40:34,009 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-19 00:40:34,155 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 10 [2019-09-19 00:40:34,292 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 10 [2019-09-19 00:40:34,695 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2019-09-19 00:40:35,109 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2019-09-19 00:40:35,684 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 74 [2019-09-19 00:40:36,015 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-09-19 00:40:36,817 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2019-09-19 00:40:37,358 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-19 00:40:37,463 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-19 00:40:37,736 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-09-19 00:40:38,081 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2019-09-19 00:40:38,236 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2019-09-19 00:40:38,741 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-19 00:40:38,971 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-19 00:40:39,651 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 114 [2019-09-19 00:40:39,843 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-19 00:40:40,348 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 115 [2019-09-19 00:40:40,953 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2019-09-19 00:40:41,435 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-19 00:40:41,728 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 36 [2019-09-19 00:40:41,941 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 40 [2019-09-19 00:40:42,416 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 37 [2019-09-19 00:40:42,585 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 37 [2019-09-19 00:40:42,780 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 40 [2019-09-19 00:40:42,938 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 40 [2019-09-19 00:40:43,294 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-19 00:40:43,442 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-19 00:40:43,690 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-19 00:40:44,280 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2019-09-19 00:40:44,434 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-19 00:40:45,248 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2019-09-19 00:40:45,470 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-19 00:40:45,935 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 115 [2019-09-19 00:40:46,314 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2019-09-19 00:40:46,421 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-19 00:40:46,668 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2019-09-19 00:40:46,859 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2019-09-19 00:40:47,127 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-19 00:40:47,329 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-19 00:40:47,432 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-19 00:40:47,664 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2019-09-19 00:40:47,895 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-19 00:40:48,432 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-09-19 00:40:48,631 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2019-09-19 00:40:48,828 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-19 00:40:49,072 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-19 00:40:49,392 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 58 [2019-09-19 00:40:49,708 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-19 00:40:50,339 WARN L191 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2019-09-19 00:40:50,584 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-19 00:40:51,198 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2019-09-19 00:40:51,485 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2019-09-19 00:40:51,868 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2019-09-19 00:40:52,183 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2019-09-19 00:40:52,433 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2019-09-19 00:40:52,911 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2019-09-19 00:40:53,081 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-19 00:40:53,539 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2019-09-19 00:40:53,833 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-09-19 00:40:53,937 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-19 00:40:54,237 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-19 00:40:54,708 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2019-09-19 00:40:54,812 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-19 00:40:55,042 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2019-09-19 00:40:55,146 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-19 00:40:55,462 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-19 00:40:55,784 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-19 00:40:55,968 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2019-09-19 00:40:56,179 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2019-09-19 00:40:57,056 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 101 [2019-09-19 00:40:57,255 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-19 00:40:57,732 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2019-09-19 00:40:58,389 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2019-09-19 00:40:58,610 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 44 [2019-09-19 00:40:59,032 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 45 [2019-09-19 00:40:59,095 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-19 00:40:59,280 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-19 00:40:59,527 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2019-09-19 00:40:59,643 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 34 for LOIs [2019-09-19 00:40:59,893 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 58 [2019-09-19 00:41:00,592 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2019-09-19 00:41:00,852 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-19 00:41:01,512 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2019-09-19 00:41:01,848 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2019-09-19 00:41:02,253 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2019-09-19 00:41:02,582 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2019-09-19 00:41:02,805 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2019-09-19 00:41:03,350 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2019-09-19 00:41:03,536 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-19 00:41:03,992 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2019-09-19 00:41:04,318 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2019-09-19 00:41:04,432 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-19 00:41:04,755 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-19 00:41:04,968 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 24 for LOIs [2019-09-19 00:41:04,989 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 6 for LOIs [2019-09-19 00:41:04,997 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 00:41:04,997 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 00:41:05,000 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3247#(and (= ~m_pc~0 1) (= ~m_st~0 1)) [2019-09-19 00:41:05,015 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 00:41:05,016 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 00:41:05,017 INFO L168 Benchmark]: Toolchain (without parser) took 67090.28 ms. Allocated memory was 133.2 MB in the beginning and 533.2 MB in the end (delta: 400.0 MB). Free memory was 88.9 MB in the beginning and 84.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 404.4 MB. Max. memory is 7.1 GB. [2019-09-19 00:41:05,018 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 00:41:05,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.40 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.7 MB in the beginning and 173.2 MB in the end (delta: -84.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-19 00:41:05,019 INFO L168 Benchmark]: Boogie Preprocessor took 56.92 ms. Allocated memory is still 199.8 MB. Free memory was 173.2 MB in the beginning and 170.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-19 00:41:05,020 INFO L168 Benchmark]: RCFGBuilder took 1042.91 ms. Allocated memory is still 199.8 MB. Free memory was 170.7 MB in the beginning and 98.3 MB in the end (delta: 72.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 7.1 GB. [2019-09-19 00:41:05,020 INFO L168 Benchmark]: Sifa took 65446.08 ms. Allocated memory was 199.8 MB in the beginning and 533.2 MB in the end (delta: 333.4 MB). Free memory was 98.3 MB in the beginning and 84.5 MB in the end (delta: 13.8 MB). Peak memory consumption was 347.3 MB. Max. memory is 7.1 GB. [2019-09-19 00:41:05,023 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 537.40 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.7 MB in the beginning and 173.2 MB in the end (delta: -84.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.92 ms. Allocated memory is still 199.8 MB. Free memory was 173.2 MB in the beginning and 170.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1042.91 ms. Allocated memory is still 199.8 MB. Free memory was 170.7 MB in the beginning and 98.3 MB in the end (delta: 72.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 7.1 GB. * Sifa took 65446.08 ms. Allocated memory was 199.8 MB in the beginning and 533.2 MB in the end (delta: 333.4 MB). Free memory was 98.3 MB in the beginning and 84.5 MB in the end (delta: 13.8 MB). Peak memory consumption was 347.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 65397, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 702, DAG_INTERPRETER_EARLY_EXITS: 12, TOOLS_POST_APPLICATIONS: 516, TOOLS_POST_TIME[ms]: 218, TOOLS_POST_CALL_APPLICATIONS: 134, TOOLS_POST_CALL_TIME[ms]: 323, TOOLS_POST_RETURN_APPLICATIONS: 128, TOOLS_POST_RETURN_TIME[ms]: 314, TOOLS_QUANTIFIERELIM_APPLICATIONS: 778, TOOLS_QUANTIFIERELIM_TIME[ms]: 636, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 20, FLUID_QUERY_TIME[ms]: 22, FLUID_QUERIES: 711, FLUID_YES_ANSWERS: 15, DOMAIN_JOIN_APPLICATIONS: 242, DOMAIN_JOIN_TIME[ms]: 57419, DOMAIN_ALPHA_APPLICATIONS: 15, DOMAIN_ALPHA_TIME[ms]: 670, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 2907, DOMAIN_ISSUBSETEQ_APPLICATIONS: 389, DOMAIN_ISSUBSETEQ_TIME[ms]: 626, DOMAIN_ISBOTTOM_APPLICATIONS: 185, DOMAIN_ISBOTTOM_TIME[ms]: 311, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 63521, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 63521, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 128, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 59420, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 12, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 52, DAG_COMPRESSION_PROCESSED_NODES: 480, DAG_COMPRESSION_RETAINED_NODES: 253 - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 3247#(and (= ~m_pc~0 1) (= ~m_st~0 1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...