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 SequenceOfStatements --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-fea9116 [2019-09-20 18:45:22,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:45:22,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:45:22,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:45:22,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:45:22,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:45:22,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:45:22,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:45:22,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:45:22,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:45:22,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:45:22,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:45:22,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:45:22,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:45:22,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:45:22,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:45:22,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:45:22,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:45:22,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:45:22,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:45:22,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:45:22,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:45:22,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:45:22,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:45:22,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:45:22,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:45:22,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:45:22,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:45:22,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:45:22,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:45:22,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:45:22,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:45:22,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:45:22,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:45:22,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:45:22,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:45:22,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:45:22,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:45:22,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:45:22,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:45:22,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:45:22,912 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 18:45:22,926 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:45:22,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:45:22,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:45:22,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:45:22,928 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:45:22,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:45:22,928 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:45:22,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:45:22,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:45:22,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:45:22,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:45:22,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:45:22,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:45:22,930 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:45:22,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:45:22,930 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:45:22,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:45:22,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:45:22,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:45:22,931 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:45:22,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:45:22,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:45:22,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:45:22,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:45:22,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:45:22,932 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:45:22,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:45:22,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:45:22,933 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 -> SequenceOfStatements 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 [2019-09-20 18:45:22,962 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:45:22,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:45:22,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:45:22,982 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:45:22,982 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:45:22,983 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c [2019-09-20 18:45:23,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e79632b3b/ad479e9e6ac8472787da627cdf0dbaaa/FLAG87a94461e [2019-09-20 18:45:23,534 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:45:23,536 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.02.cil.c [2019-09-20 18:45:23,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e79632b3b/ad479e9e6ac8472787da627cdf0dbaaa/FLAG87a94461e [2019-09-20 18:45:23,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e79632b3b/ad479e9e6ac8472787da627cdf0dbaaa [2019-09-20 18:45:23,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:45:23,884 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:45:23,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:45:23,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:45:23,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:45:23,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:45:23" (1/1) ... [2019-09-20 18:45:23,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@434aa316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:23, skipping insertion in model container [2019-09-20 18:45:23,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:45:23" (1/1) ... [2019-09-20 18:45:23,900 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:45:23,951 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:45:24,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:45:24,199 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:45:24,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:45:24,348 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:45:24,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:24 WrapperNode [2019-09-20 18:45:24,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:45:24,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:45:24,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:45:24,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:45:24,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:24" (1/1) ... [2019-09-20 18:45:24,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:24" (1/1) ... [2019-09-20 18:45:24,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:24" (1/1) ... [2019-09-20 18:45:24,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:24" (1/1) ... [2019-09-20 18:45:24,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:24" (1/1) ... [2019-09-20 18:45:24,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:24" (1/1) ... [2019-09-20 18:45:24,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:24" (1/1) ... [2019-09-20 18:45:24,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:45:24,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:45:24,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:45:24,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:45:24,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:24" (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 18:45:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:45:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:45:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 18:45:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 18:45:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 18:45:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-20 18:45:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 18:45:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 18:45:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-20 18:45:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 18:45:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 18:45:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 18:45:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 18:45:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 18:45:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 18:45:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 18:45:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 18:45:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 18:45:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 18:45:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 18:45:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 18:45:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 18:45:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:45:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:45:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 18:45:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 18:45:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 18:45:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 18:45:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-20 18:45:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 18:45:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 18:45:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 18:45:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-20 18:45:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 18:45:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 18:45:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 18:45:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 18:45:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 18:45:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 18:45:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 18:45:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 18:45:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 18:45:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 18:45:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 18:45:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 18:45:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:45:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:45:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:45:25,043 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:45:25,044 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 18:45:25,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:45:25 BoogieIcfgContainer [2019-09-20 18:45:25,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:45:25,046 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:45:25,046 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:45:25,046 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:45:25,047 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:45:25" (1/1) ... [2019-09-20 18:45:25,048 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 [2019-09-20 18:45:25,070 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:45:25,071 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:45:25,080 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:45:25,088 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:45:25,090 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:45:25,265 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 59 for LOIs [2019-09-20 18:45:25,320 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 54 for LOIs [2019-09-20 18:45:26,314 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-20 18:45:26,702 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-09-20 18:45:26,916 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 18:45:27,035 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 18:45:28,055 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-20 18:45:28,207 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-20 18:45:28,556 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 18:45:28,705 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2019-09-20 18:45:28,851 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2019-09-20 18:45:30,202 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-09-20 18:45:30,355 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 18:45:30,594 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 18:45:30,809 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 18:45:31,098 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2019-09-20 18:45:31,936 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2019-09-20 18:45:32,301 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-09-20 18:45:32,447 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 18:45:32,887 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-20 18:45:33,103 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 18:45:33,107 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 57 for LOIs [2019-09-20 18:45:33,374 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-20 18:45:33,477 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 18:45:33,786 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2019-09-20 18:45:34,090 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-20 18:45:34,513 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-20 18:45:34,955 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-09-20 18:45:35,320 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-20 18:45:35,562 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-20 18:45:35,767 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 36 [2019-09-20 18:45:35,962 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 38 [2019-09-20 18:45:36,234 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-20 18:45:36,553 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-20 18:45:36,921 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-20 18:45:37,320 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2019-09-20 18:45:37,627 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-20 18:45:38,015 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2019-09-20 18:45:38,077 INFO L199 IcfgInterpreter]: Interpreting procedure transmit2 with input of size 9 for LOIs [2019-09-20 18:45:38,078 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 9 for LOIs [2019-09-20 18:45:38,091 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:45:38,091 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:45:38,093 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 915#(and (= 1 ~t2_st~0) (= 1 ~t2_pc~0)) [2019-09-20 18:45:38,120 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:45:38,121 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:45:38,123 INFO L168 Benchmark]: Toolchain (without parser) took 14238.68 ms. Allocated memory was 132.6 MB in the beginning and 415.2 MB in the end (delta: 282.6 MB). Free memory was 87.1 MB in the beginning and 348.9 MB in the end (delta: -261.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:38,124 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:45:38,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.33 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.9 MB in the beginning and 175.2 MB in the end (delta: -88.4 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:38,128 INFO L168 Benchmark]: Boogie Preprocessor took 53.96 ms. Allocated memory is still 200.3 MB. Free memory was 175.2 MB in the beginning and 173.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:38,128 INFO L168 Benchmark]: RCFGBuilder took 641.39 ms. Allocated memory is still 200.3 MB. Free memory was 173.3 MB in the beginning and 137.4 MB in the end (delta: 35.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:38,132 INFO L168 Benchmark]: Sifa took 13075.24 ms. Allocated memory was 200.3 MB in the beginning and 415.2 MB in the end (delta: 215.0 MB). Free memory was 137.4 MB in the beginning and 348.9 MB in the end (delta: -211.4 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:38,139 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 464.33 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.9 MB in the beginning and 175.2 MB in the end (delta: -88.4 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.96 ms. Allocated memory is still 200.3 MB. Free memory was 175.2 MB in the beginning and 173.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 641.39 ms. Allocated memory is still 200.3 MB. Free memory was 173.3 MB in the beginning and 137.4 MB in the end (delta: 35.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. * Sifa took 13075.24 ms. Allocated memory was 200.3 MB in the beginning and 415.2 MB in the end (delta: 215.0 MB). Free memory was 137.4 MB in the beginning and 348.9 MB in the end (delta: -211.4 MB). Peak memory consumption was 3.5 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]: 13023, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 470, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 342, TOOLS_POST_TIME[ms]: 110, TOOLS_POST_CALL_APPLICATIONS: 82, TOOLS_POST_CALL_TIME[ms]: 216, TOOLS_POST_RETURN_APPLICATIONS: 77, TOOLS_POST_RETURN_TIME[ms]: 120, TOOLS_QUANTIFIERELIM_APPLICATIONS: 500, TOOLS_QUANTIFIERELIM_TIME[ms]: 312, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 20, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 476, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 175, DOMAIN_JOIN_TIME[ms]: 11965, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 161, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 143, DOMAIN_ISBOTTOM_TIME[ms]: 261, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8705, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8704, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 77, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 5959, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5958, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 48, DAG_COMPRESSION_PROCESSED_NODES: 640, DAG_COMPRESSION_RETAINED_NODES: 349 - 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 915#(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...