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_QUICK -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:56:07,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:56:07,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:56:07,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:56:07,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:56:07,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:56:07,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:56:07,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:56:07,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:56:07,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:56:07,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:56:07,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:56:07,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:56:07,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:56:07,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:56:07,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:56:07,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:56:07,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:56:07,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:56:07,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:56:07,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:56:07,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:56:07,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:56:07,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:56:07,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:56:07,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:56:07,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:56:07,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:56:07,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:56:07,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:56:07,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:56:07,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:56:07,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:56:07,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:56:07,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:56:07,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:56:07,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:56:07,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:56:07,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:56:07,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:56:07,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:56:07,407 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 15:56:07,421 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:56:07,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:56:07,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:56:07,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:56:07,423 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:56:07,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:56:07,424 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:56:07,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:56:07,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:56:07,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:56:07,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:56:07,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:56:07,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:56:07,428 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:56:07,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:56:07,429 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:56:07,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:56:07,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:56:07,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:56:07,429 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:56:07,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:56:07,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:56:07,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:56:07,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:56:07,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:56:07,430 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:56:07,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:56:07,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:56:07,431 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_QUICK [2019-09-20 15:56:07,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:56:07,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:56:07,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:56:07,484 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:56:07,484 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:56:07,485 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-20 15:56:07,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be0e7e7ba/2c355a8ec75148c68123c9d25c560b96/FLAGc3d623aa5 [2019-09-20 15:56:08,046 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:56:08,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-20 15:56:08,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be0e7e7ba/2c355a8ec75148c68123c9d25c560b96/FLAGc3d623aa5 [2019-09-20 15:56:08,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be0e7e7ba/2c355a8ec75148c68123c9d25c560b96 [2019-09-20 15:56:08,402 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:56:08,403 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:56:08,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:56:08,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:56:08,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:56:08,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:56:08" (1/1) ... [2019-09-20 15:56:08,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1adbfbad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:08, skipping insertion in model container [2019-09-20 15:56:08,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:56:08" (1/1) ... [2019-09-20 15:56:08,418 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:56:08,462 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:56:08,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:56:08,710 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:56:08,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:56:08,875 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:56:08,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:08 WrapperNode [2019-09-20 15:56:08,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:56:08,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:56:08,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:56:08,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:56:08,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:08" (1/1) ... [2019-09-20 15:56:08,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:08" (1/1) ... [2019-09-20 15:56:08,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:08" (1/1) ... [2019-09-20 15:56:08,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:08" (1/1) ... [2019-09-20 15:56:08,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:08" (1/1) ... [2019-09-20 15:56:08,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:08" (1/1) ... [2019-09-20 15:56:08,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:08" (1/1) ... [2019-09-20 15:56:08,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:56:08,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:56:08,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:56:08,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:56:08,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:08" (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 15:56:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:56:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:56:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 15:56:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 15:56:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 15:56:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-20 15:56:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 15:56:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 15:56:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-20 15:56:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 15:56:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 15:56:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 15:56:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 15:56:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 15:56:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 15:56:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 15:56:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 15:56:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 15:56:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 15:56:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 15:56:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 15:56:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 15:56:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:56:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:56:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 15:56:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 15:56:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 15:56:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-20 15:56:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 15:56:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:56:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 15:56:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 15:56:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-20 15:56:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 15:56:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 15:56:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 15:56:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 15:56:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 15:56:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 15:56:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 15:56:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 15:56:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 15:56:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 15:56:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 15:56:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 15:56:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:56:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:56:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:56:09,970 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:56:09,970 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:56:09,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:56:09 BoogieIcfgContainer [2019-09-20 15:56:09,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:56:09,973 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:56:09,973 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:56:09,973 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:56:09,974 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:56:09" (1/1) ... [2019-09-20 15:56:09,975 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:56:09,999 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:56:10,000 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:56:10,009 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:56:10,019 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:56:10,020 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:56:10,167 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 71 for LOIs [2019-09-20 15:56:10,211 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 66 for LOIs [2019-09-20 15:56:10,364 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-09-20 15:56:10,690 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:56:11,144 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:56:11,160 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:56:11,250 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 34 for LOIs [2019-09-20 15:56:11,574 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 24 for LOIs [2019-09-20 15:56:11,580 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 9 for LOIs [2019-09-20 15:56:11,582 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:56:11,582 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:56:11,596 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 850#(and (= ~m_pc~0 1) (not (= ~m_pc~0 0)) (= ~m_st~0 1)) [2019-09-20 15:56:11,623 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:56:11,623 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:56:11,627 INFO L168 Benchmark]: Toolchain (without parser) took 3221.72 ms. Allocated memory was 139.5 MB in the beginning and 262.7 MB in the end (delta: 123.2 MB). Free memory was 86.7 MB in the beginning and 205.8 MB in the end (delta: -119.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:11,629 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:56:11,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.63 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 86.5 MB in the beginning and 174.1 MB in the end (delta: -87.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:11,631 INFO L168 Benchmark]: Boogie Preprocessor took 51.60 ms. Allocated memory is still 199.2 MB. Free memory was 174.1 MB in the beginning and 171.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:11,633 INFO L168 Benchmark]: RCFGBuilder took 1044.06 ms. Allocated memory is still 199.2 MB. Free memory was 171.7 MB in the beginning and 97.3 MB in the end (delta: 74.4 MB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:11,638 INFO L168 Benchmark]: Sifa took 1650.59 ms. Allocated memory was 199.2 MB in the beginning and 262.7 MB in the end (delta: 63.4 MB). Free memory was 97.3 MB in the beginning and 205.8 MB in the end (delta: -108.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:56:11,650 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 139.5 MB. Free memory was 105.4 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 471.63 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 86.5 MB in the beginning and 174.1 MB in the end (delta: -87.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.60 ms. Allocated memory is still 199.2 MB. Free memory was 174.1 MB in the beginning and 171.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1044.06 ms. Allocated memory is still 199.2 MB. Free memory was 171.7 MB in the beginning and 97.3 MB in the end (delta: 74.4 MB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. * Sifa took 1650.59 ms. Allocated memory was 199.2 MB in the beginning and 262.7 MB in the end (delta: 63.4 MB). Free memory was 97.3 MB in the beginning and 205.8 MB in the end (delta: -108.5 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]: 1597, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 270, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 187, TOOLS_POST_TIME[ms]: 86, TOOLS_POST_CALL_APPLICATIONS: 57, TOOLS_POST_CALL_TIME[ms]: 169, TOOLS_POST_RETURN_APPLICATIONS: 51, TOOLS_POST_RETURN_TIME[ms]: 99, TOOLS_QUANTIFIERELIM_APPLICATIONS: 295, TOOLS_QUANTIFIERELIM_TIME[ms]: 252, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 274, FLUID_YES_ANSWERS: 5, DOMAIN_JOIN_APPLICATIONS: 97, DOMAIN_JOIN_TIME[ms]: 730, DOMAIN_ALPHA_APPLICATIONS: 5, DOMAIN_ALPHA_TIME[ms]: 218, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 7, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 72, DOMAIN_ISBOTTOM_TIME[ms]: 88, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 863, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 861, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 51, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 767, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 766, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 10, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 480, DAG_COMPRESSION_RETAINED_NODES: 253 - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 850#(and (= ~m_pc~0 1) (not (= ~m_pc~0 0)) (= ~m_st~0 1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...