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.01.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:56:06,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:56:06,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:56:06,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:56:06,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:56:06,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:56:06,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:56:06,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:56:06,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:56:06,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:56:06,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:56:06,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:56:06,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:56:06,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:56:06,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:56:06,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:56:06,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:56:06,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:56:06,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:56:06,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:56:06,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:56:06,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:56:06,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:56:06,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:56:06,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:56:06,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:56:06,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:56:06,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:56:06,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:56:06,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:56:06,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:56:06,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:56:06,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:56:06,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:56:06,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:56:06,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:56:06,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:56:06,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:56:06,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:56:06,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:56:06,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:56:06,492 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 15:56:06,516 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:56:06,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:56:06,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:56:06,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:56:06,518 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:56:06,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:56:06,518 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:56:06,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:56:06,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:56:06,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:56:06,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:56:06,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:56:06,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:56:06,520 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:56:06,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:56:06,520 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:56:06,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:56:06,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:56:06,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:56:06,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:56:06,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:56:06,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:56:06,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:56:06,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:56:06,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:56:06,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:56:06,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:56:06,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:56:06,523 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 15:56:06,553 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:56:06,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:56:06,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:56:06,568 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:56:06,569 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:56:06,569 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2019-09-20 15:56:06,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3a229e72/f9091deb1ea24f7eaf7656c41813228a/FLAGa5df3b680 [2019-09-20 15:56:07,135 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:56:07,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2019-09-20 15:56:07,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3a229e72/f9091deb1ea24f7eaf7656c41813228a/FLAGa5df3b680 [2019-09-20 15:56:07,445 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3a229e72/f9091deb1ea24f7eaf7656c41813228a [2019-09-20 15:56:07,458 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:56:07,460 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:56:07,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:56:07,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:56:07,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:56:07,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:56:07" (1/1) ... [2019-09-20 15:56:07,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d7b9418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:07, skipping insertion in model container [2019-09-20 15:56:07,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:56:07" (1/1) ... [2019-09-20 15:56:07,478 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:56:07,531 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:56:07,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:56:07,906 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:56:08,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:56:08,108 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:56:08,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:08 WrapperNode [2019-09-20 15:56:08,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:56:08,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:56:08,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:56:08,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:56:08,122 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 15:56:08,122 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 15:56:08,129 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 15:56:08,129 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 15:56:08,138 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 15:56:08,148 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 15:56:08,150 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 15:56:08,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:56:08,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:56:08,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:56:08,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:56:08,155 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 15:56:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:56:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:56:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 15:56:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 15:56:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 15:56:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 15:56:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 15:56:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 15:56:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 15:56:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 15:56:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 15:56:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 15:56:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 15:56:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 15:56:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 15:56:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 15:56:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 15:56:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 15:56:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 15:56:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 15:56:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:56:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:56:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 15:56:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 15:56:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 15:56:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 15:56:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:56:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 15:56:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 15:56:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 15:56:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 15:56:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 15:56:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 15:56:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 15:56:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 15:56:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 15:56:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 15:56:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 15:56:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 15:56:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 15:56:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 15:56:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:56:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:56:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:56:09,026 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:56:09,026 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 15:56:09,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:56:09 BoogieIcfgContainer [2019-09-20 15:56:09,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:56:09,029 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:56:09,029 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:56:09,029 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:56:09,030 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 15:56:09,031 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 15:56:09,060 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:56:09,061 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:56:09,070 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:56:09,081 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:56:09,083 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:56:09,219 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-20 15:56:09,240 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 48 for LOIs [2019-09-20 15:56:09,332 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:56:09,878 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:56:10,202 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 50 for LOIs [2019-09-20 15:56:10,291 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 21 for LOIs [2019-09-20 15:56:10,298 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 9 for LOIs [2019-09-20 15:56:10,299 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:56:10,299 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:56:10,301 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 931#(and (= ~m_pc~0 1) (not (= ~m_pc~0 0)) (= ~m_st~0 1)) [2019-09-20 15:56:10,314 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:56:10,315 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:56:10,318 INFO L168 Benchmark]: Toolchain (without parser) took 2857.18 ms. Allocated memory was 134.7 MB in the beginning and 230.2 MB in the end (delta: 95.4 MB). Free memory was 89.6 MB in the beginning and 105.2 MB in the end (delta: -15.6 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:10,320 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 107.8 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:56:10,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.56 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 89.4 MB in the beginning and 177.0 MB in the end (delta: -87.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:10,323 INFO L168 Benchmark]: Boogie Preprocessor took 43.34 ms. Allocated memory is still 202.4 MB. Free memory was 177.0 MB in the beginning and 174.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:10,324 INFO L168 Benchmark]: RCFGBuilder took 874.65 ms. Allocated memory is still 202.4 MB. Free memory was 174.6 MB in the beginning and 119.6 MB in the end (delta: 55.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:10,329 INFO L168 Benchmark]: Sifa took 1286.74 ms. Allocated memory was 202.4 MB in the beginning and 230.2 MB in the end (delta: 27.8 MB). Free memory was 119.6 MB in the beginning and 105.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 42.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:10,341 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 134.7 MB. Free memory was 107.8 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.56 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 89.4 MB in the beginning and 177.0 MB in the end (delta: -87.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.34 ms. Allocated memory is still 202.4 MB. Free memory was 177.0 MB in the beginning and 174.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 874.65 ms. Allocated memory is still 202.4 MB. Free memory was 174.6 MB in the beginning and 119.6 MB in the end (delta: 55.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. * Sifa took 1286.74 ms. Allocated memory was 202.4 MB in the beginning and 230.2 MB in the end (delta: 27.8 MB). Free memory was 119.6 MB in the beginning and 105.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 42.2 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]: 1241, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 254, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 171, TOOLS_POST_TIME[ms]: 78, TOOLS_POST_CALL_APPLICATIONS: 70, TOOLS_POST_CALL_TIME[ms]: 133, TOOLS_POST_RETURN_APPLICATIONS: 64, TOOLS_POST_RETURN_TIME[ms]: 128, TOOLS_QUANTIFIERELIM_APPLICATIONS: 305, TOOLS_QUANTIFIERELIM_TIME[ms]: 241, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 260, FLUID_YES_ANSWERS: 7, DOMAIN_JOIN_APPLICATIONS: 76, DOMAIN_JOIN_TIME[ms]: 535, DOMAIN_ALPHA_APPLICATIONS: 7, DOMAIN_ALPHA_TIME[ms]: 104, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 9, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 56, DOMAIN_ISBOTTOM_TIME[ms]: 84, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 583, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 582, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 64, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 687, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 686, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 46, DAG_COMPRESSION_PROCESSED_NODES: 389, DAG_COMPRESSION_RETAINED_NODES: 196 - 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 931#(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...