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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:12:22,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:12:22,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:12:22,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:12:22,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:12:22,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:12:22,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:12:22,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:12:22,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:12:22,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:12:22,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:12:22,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:12:22,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:12:22,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:12:22,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:12:22,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:12:22,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:12:22,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:12:22,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:12:22,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:12:22,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:12:22,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:12:22,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:12:22,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:12:22,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:12:22,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:12:22,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:12:22,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:12:22,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:12:22,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:12:22,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:12:22,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:12:22,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:12:22,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:12:22,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:12:22,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:12:22,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:12:22,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:12:22,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:12:22,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:12:22,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:12:22,884 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 [2019-09-25 17:12:22,898 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:12:22,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:12:22,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:12:22,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:12:22,900 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:12:22,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:12:22,901 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:12:22,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:12:22,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:12:22,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:12:22,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:12:22,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:12:22,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:12:22,902 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:12:22,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:12:22,902 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:12:22,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:12:22,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:12:22,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:12:22,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:12:22,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:12:22,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:12:22,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:12:22,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:12:22,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:12:22,904 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:12:22,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:12:22,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:12:22,905 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:12:22,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:12:22,948 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:12:22,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:12:22,952 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:12:22,953 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:12:22,953 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c [2019-09-25 17:12:23,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a7d25fec/9dd529ca24d84cb78c0178ec9a416ce7/FLAG1ad1bea92 [2019-09-25 17:12:23,424 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:12:23,425 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.02.cil.c [2019-09-25 17:12:23,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a7d25fec/9dd529ca24d84cb78c0178ec9a416ce7/FLAG1ad1bea92 [2019-09-25 17:12:23,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a7d25fec/9dd529ca24d84cb78c0178ec9a416ce7 [2019-09-25 17:12:23,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:12:23,849 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:12:23,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:12:23,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:12:23,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:12:23,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:12:23" (1/1) ... [2019-09-25 17:12:23,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4f7f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:23, skipping insertion in model container [2019-09-25 17:12:23,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:12:23" (1/1) ... [2019-09-25 17:12:23,866 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:12:23,921 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:12:24,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:12:24,192 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:12:24,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:12:24,368 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:12:24,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:24 WrapperNode [2019-09-25 17:12:24,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:12:24,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:12:24,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:12:24,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:12:24,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:24" (1/1) ... [2019-09-25 17:12:24,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:24" (1/1) ... [2019-09-25 17:12:24,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:24" (1/1) ... [2019-09-25 17:12:24,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:24" (1/1) ... [2019-09-25 17:12:24,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:24" (1/1) ... [2019-09-25 17:12:24,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:24" (1/1) ... [2019-09-25 17:12:24,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:24" (1/1) ... [2019-09-25 17:12:24,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:12:24,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:12:24,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:12:24,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:12:24,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:24" (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 [2019-09-25 17:12:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:12:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:12:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-25 17:12:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-25 17:12:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-25 17:12:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-25 17:12:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-25 17:12:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-25 17:12:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-25 17:12:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-25 17:12:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-25 17:12:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-25 17:12:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-25 17:12:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-25 17:12:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-25 17:12:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-25 17:12:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-25 17:12:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-25 17:12:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-25 17:12:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-25 17:12:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-25 17:12:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-25 17:12:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:12:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:12:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:12:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-25 17:12:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-25 17:12:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-25 17:12:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-25 17:12:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-25 17:12:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-25 17:12:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-25 17:12:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-25 17:12:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-25 17:12:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-25 17:12:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-25 17:12:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-25 17:12:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-25 17:12:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-25 17:12:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-25 17:12:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-25 17:12:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-25 17:12:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-25 17:12:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-25 17:12:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-25 17:12:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:12:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:12:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:12:25,439 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:12:25,439 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-25 17:12:25,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:12:25 BoogieIcfgContainer [2019-09-25 17:12:25,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:12:25,443 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:12:25,444 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:12:25,444 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:12:25,445 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:12:25" (1/1) ... [2019-09-25 17:12:25,446 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:12:25,480 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:12:25,480 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:12:25,493 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:12:25,503 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:12:25,505 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:12:25,681 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 59 for LOIs [2019-09-25 17:12:25,708 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 54 for LOIs [2019-09-25 17:12:26,615 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 39 for LOIs [2019-09-25 17:12:26,980 INFO L199 IcfgInterpreter]: Interpreting procedure transmit2 with input of size 15 for LOIs [2019-09-25 17:12:26,981 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 15 for LOIs [2019-09-25 17:12:26,984 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:12:26,984 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:12:26,989 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 907#(and (= 1 ~t2_st~0) (= 1 ~t2_pc~0) (= ~m_i~0 1) (not (= 0 ~t2_pc~0)) (= ~t1_i~0 1) (= ~t2_i~0 1)) [2019-09-25 17:12:27,006 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:12:27,006 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:12:27,009 INFO L168 Benchmark]: Toolchain (without parser) took 3158.60 ms. Allocated memory was 135.8 MB in the beginning and 260.6 MB in the end (delta: 124.8 MB). Free memory was 86.5 MB in the beginning and 203.0 MB in the end (delta: -116.5 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:27,010 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 135.8 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:12:27,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 518.34 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 86.3 MB in the beginning and 175.8 MB in the end (delta: -89.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:27,013 INFO L168 Benchmark]: Boogie Preprocessor took 43.06 ms. Allocated memory is still 200.3 MB. Free memory was 175.8 MB in the beginning and 173.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:27,013 INFO L168 Benchmark]: RCFGBuilder took 1030.36 ms. Allocated memory is still 200.3 MB. Free memory was 173.4 MB in the beginning and 107.5 MB in the end (delta: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:27,014 INFO L168 Benchmark]: Sifa took 1563.02 ms. Allocated memory was 200.3 MB in the beginning and 260.6 MB in the end (delta: 60.3 MB). Free memory was 107.5 MB in the beginning and 203.0 MB in the end (delta: -95.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 17:12:27,018 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 135.8 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 518.34 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 86.3 MB in the beginning and 175.8 MB in the end (delta: -89.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.06 ms. Allocated memory is still 200.3 MB. Free memory was 175.8 MB in the beginning and 173.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1030.36 ms. Allocated memory is still 200.3 MB. Free memory was 173.4 MB in the beginning and 107.5 MB in the end (delta: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 7.1 GB. * Sifa took 1563.02 ms. Allocated memory was 200.3 MB in the beginning and 260.6 MB in the end (delta: 60.3 MB). Free memory was 107.5 MB in the beginning and 203.0 MB in the end (delta: -95.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 1510, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 367, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 260, TOOLS_POST_TIME[ms]: 100, TOOLS_POST_CALL_APPLICATIONS: 82, TOOLS_POST_CALL_TIME[ms]: 163, TOOLS_POST_RETURN_APPLICATIONS: 77, TOOLS_POST_RETURN_TIME[ms]: 81, TOOLS_QUANTIFIERELIM_APPLICATIONS: 419, TOOLS_QUANTIFIERELIM_TIME[ms]: 228, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 16, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 373, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 133, DOMAIN_JOIN_TIME[ms]: 778, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 5, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 105, DOMAIN_ISBOTTOM_TIME[ms]: 188, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 794, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 793, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 77, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 851, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 849, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 48, 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 907#(and (= 1 ~t2_st~0) (= 1 ~t2_pc~0) (= ~m_i~0 1) (not (= 0 ~t2_pc~0)) (= ~t1_i~0 1) (= ~t2_i~0 1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...