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 TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 20:24:54,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 20:24:54,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 20:24:54,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 20:24:54,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 20:24:54,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 20:24:54,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 20:24:54,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 20:24:54,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 20:24:54,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 20:24:54,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 20:24:54,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 20:24:54,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 20:24:54,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 20:24:54,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 20:24:54,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 20:24:54,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 20:24:54,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 20:24:54,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 20:24:54,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 20:24:54,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 20:24:54,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 20:24:54,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 20:24:54,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 20:24:54,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 20:24:54,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 20:24:54,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 20:24:54,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 20:24:54,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 20:24:54,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 20:24:54,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 20:24:54,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 20:24:54,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 20:24:54,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 20:24:54,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 20:24:54,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 20:24:54,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 20:24:54,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 20:24:54,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 20:24:54,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 20:24:54,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 20:24:54,515 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 [2019-09-16 20:24:54,537 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 20:24:54,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 20:24:54,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 20:24:54,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 20:24:54,539 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 20:24:54,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 20:24:54,539 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 20:24:54,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 20:24:54,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 20:24:54,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 20:24:54,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 20:24:54,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 20:24:54,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 20:24:54,541 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 20:24:54,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 20:24:54,541 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 20:24:54,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 20:24:54,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 20:24:54,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 20:24:54,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 20:24:54,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 20:24:54,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 20:24:54,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 20:24:54,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 20:24:54,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 20:24:54,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 20:24:54,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 20:24:54,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 20:24:54,544 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 -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-16 20:24:54,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 20:24:54,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 20:24:54,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 20:24:54,592 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 20:24:54,592 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 20:24:54,593 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c [2019-09-16 20:24:54,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff5b4288a/3495e178897c440f9329e3872612f167/FLAG6eda1ff06 [2019-09-16 20:24:55,163 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 20:24:55,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.02.cil.c [2019-09-16 20:24:55,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff5b4288a/3495e178897c440f9329e3872612f167/FLAG6eda1ff06 [2019-09-16 20:24:55,521 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff5b4288a/3495e178897c440f9329e3872612f167 [2019-09-16 20:24:55,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 20:24:55,531 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 20:24:55,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 20:24:55,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 20:24:55,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 20:24:55,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 08:24:55" (1/1) ... [2019-09-16 20:24:55,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74548bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:55, skipping insertion in model container [2019-09-16 20:24:55,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 08:24:55" (1/1) ... [2019-09-16 20:24:55,544 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 20:24:55,584 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 20:24:55,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 20:24:55,892 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 20:24:55,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 20:24:55,959 INFO L192 MainTranslator]: Completed translation [2019-09-16 20:24:55,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:55 WrapperNode [2019-09-16 20:24:55,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 20:24:55,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 20:24:55,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 20:24:55,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 20:24:55,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:55" (1/1) ... [2019-09-16 20:24:55,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:55" (1/1) ... [2019-09-16 20:24:55,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:55" (1/1) ... [2019-09-16 20:24:55,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:55" (1/1) ... [2019-09-16 20:24:55,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:55" (1/1) ... [2019-09-16 20:24:55,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:55" (1/1) ... [2019-09-16 20:24:56,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:55" (1/1) ... [2019-09-16 20:24:56,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 20:24:56,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 20:24:56,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 20:24:56,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 20:24:56,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:55" (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 [2019-09-16 20:24:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 20:24:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 20:24:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-16 20:24:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-16 20:24:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-16 20:24:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-16 20:24:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-16 20:24:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-16 20:24:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-16 20:24:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-16 20:24:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-16 20:24:56,071 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-16 20:24:56,071 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-16 20:24:56,071 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-16 20:24:56,071 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-16 20:24:56,071 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-16 20:24:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-16 20:24:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-16 20:24:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-16 20:24:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-16 20:24:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-16 20:24:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-16 20:24:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 20:24:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 20:24:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 20:24:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-16 20:24:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-16 20:24:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-16 20:24:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-16 20:24:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-16 20:24:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-16 20:24:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-16 20:24:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-16 20:24:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-16 20:24:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-16 20:24:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-16 20:24:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-16 20:24:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-16 20:24:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-16 20:24:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-16 20:24:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-16 20:24:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-16 20:24:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-16 20:24:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-16 20:24:56,080 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-16 20:24:56,080 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 20:24:56,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 20:24:56,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 20:24:57,007 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 20:24:57,008 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-16 20:24:57,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 08:24:57 BoogieIcfgContainer [2019-09-16 20:24:57,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 20:24:57,010 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 20:24:57,010 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 20:24:57,010 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 20:24:57,011 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 08:24:57" (1/1) ... [2019-09-16 20:24:57,012 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-16 20:24:57,035 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 20:24:57,035 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 20:24:57,046 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 20:24:57,056 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 20:24:57,058 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 20:24:57,221 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 59 for LOIs [2019-09-16 20:24:57,256 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 54 for LOIs [2019-09-16 20:24:58,306 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2019-09-16 20:24:58,485 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2019-09-16 20:25:00,232 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2019-09-16 20:25:00,381 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-16 20:25:00,803 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2019-09-16 20:25:01,490 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2019-09-16 20:25:02,361 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-09-16 20:25:02,481 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-16 20:25:02,985 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2019-09-16 20:25:03,130 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-16 20:25:03,534 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 73 [2019-09-16 20:25:03,725 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-16 20:25:03,730 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 56 for LOIs [2019-09-16 20:25:04,014 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2019-09-16 20:25:04,363 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2019-09-16 20:25:04,726 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 75 [2019-09-16 20:25:04,860 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-16 20:25:05,220 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 77 [2019-09-16 20:25:05,807 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 75 [2019-09-16 20:25:05,941 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-16 20:25:06,322 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2019-09-16 20:25:06,684 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2019-09-16 20:25:06,893 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 31 [2019-09-16 20:25:07,094 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 33 [2019-09-16 20:25:07,321 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 73 [2019-09-16 20:25:07,674 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 75 [2019-09-16 20:25:08,092 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 72 [2019-09-16 20:25:08,482 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2019-09-16 20:25:08,888 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 72 [2019-09-16 20:25:09,247 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2019-09-16 20:25:09,285 INFO L199 IcfgInterpreter]: Interpreting procedure transmit2 with input of size 9 for LOIs [2019-09-16 20:25:09,286 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 9 for LOIs [2019-09-16 20:25:09,304 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 20:25:09,304 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 20:25:09,306 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 796#(and (= 1 ~t2_st~0) (= 1 ~t2_pc~0)) [2019-09-16 20:25:09,318 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 20:25:09,318 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 20:25:09,320 INFO L168 Benchmark]: Toolchain (without parser) took 13789.01 ms. Allocated memory was 140.5 MB in the beginning and 407.9 MB in the end (delta: 267.4 MB). Free memory was 88.6 MB in the beginning and 293.1 MB in the end (delta: -204.5 MB). Peak memory consumption was 62.9 MB. Max. memory is 7.1 GB. [2019-09-16 20:25:09,320 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 20:25:09,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.95 ms. Allocated memory was 140.5 MB in the beginning and 199.2 MB in the end (delta: 58.7 MB). Free memory was 88.2 MB in the beginning and 174.4 MB in the end (delta: -86.2 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-09-16 20:25:09,322 INFO L168 Benchmark]: Boogie Preprocessor took 46.08 ms. Allocated memory is still 199.2 MB. Free memory was 174.4 MB in the beginning and 172.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-16 20:25:09,323 INFO L168 Benchmark]: RCFGBuilder took 1003.38 ms. Allocated memory is still 199.2 MB. Free memory was 172.0 MB in the beginning and 107.5 MB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 7.1 GB. [2019-09-16 20:25:09,324 INFO L168 Benchmark]: Sifa took 12308.34 ms. Allocated memory was 199.2 MB in the beginning and 407.9 MB in the end (delta: 208.7 MB). Free memory was 106.9 MB in the beginning and 293.1 MB in the end (delta: -186.2 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-09-16 20:25:09,327 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 427.95 ms. Allocated memory was 140.5 MB in the beginning and 199.2 MB in the end (delta: 58.7 MB). Free memory was 88.2 MB in the beginning and 174.4 MB in the end (delta: -86.2 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.08 ms. Allocated memory is still 199.2 MB. Free memory was 174.4 MB in the beginning and 172.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1003.38 ms. Allocated memory is still 199.2 MB. Free memory was 172.0 MB in the beginning and 107.5 MB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 7.1 GB. * Sifa took 12308.34 ms. Allocated memory was 199.2 MB in the beginning and 407.9 MB in the end (delta: 208.7 MB). Free memory was 106.9 MB in the beginning and 293.1 MB in the end (delta: -186.2 MB). Peak memory consumption was 22.5 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]: 12271, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 367, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 260, TOOLS_POST_TIME[ms]: 114, TOOLS_POST_CALL_APPLICATIONS: 82, TOOLS_POST_CALL_TIME[ms]: 183, TOOLS_POST_RETURN_APPLICATIONS: 77, TOOLS_POST_RETURN_TIME[ms]: 95, TOOLS_QUANTIFIERELIM_APPLICATIONS: 419, TOOLS_QUANTIFIERELIM_TIME[ms]: 281, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 373, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 133, DOMAIN_JOIN_TIME[ms]: 11248, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 30, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 243, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 105, DOMAIN_ISBOTTOM_TIME[ms]: 190, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9144, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9144, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 77, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4216, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4215, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 40, DAG_COMPRESSION_PROCESSED_NODES: 492, DAG_COMPRESSION_RETAINED_NODES: 245 - UnprovableResult [Line: 11]: 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 796#(and (= 1 ~t2_st~0) (= 1 ~t2_pc~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...