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 NONE -i ../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:13:49,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:13:49,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:13:49,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:13:49,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:13:49,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:13:49,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:13:49,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:13:49,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:13:49,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:13:49,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:13:49,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:13:49,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:13:49,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:13:49,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:13:49,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:13:49,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:13:49,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:13:49,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:13:49,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:13:49,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:13:49,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:13:49,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:13:49,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:13:49,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:13:49,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:13:49,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:13:49,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:13:49,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:13:49,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:13:49,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:13:49,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:13:49,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:13:49,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:13:49,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:13:49,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:13:49,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:13:49,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:13:49,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:13:49,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:13:49,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:13:49,477 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 15:13:49,507 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:13:49,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:13:49,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:13:49,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:13:49,510 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:13:49,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:13:49,511 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:13:49,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:13:49,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:13:49,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:13:49,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:13:49,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:13:49,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:13:49,513 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:13:49,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:13:49,514 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:13:49,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:13:49,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:13:49,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:13:49,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:13:49,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:13:49,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:13:49,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:13:49,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:13:49,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:13:49,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:13:49,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:13:49,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:13:49,517 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 -> NONE [2019-09-20 15:13:49,555 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:13:49,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:13:49,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:13:49,577 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:13:49,577 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:13:49,578 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-20 15:13:49,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61cec8df6/8b3f1da96575471fbaf4534a7f43d684/FLAGacd4a532e [2019-09-20 15:13:50,156 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:13:50,156 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-20 15:13:50,167 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61cec8df6/8b3f1da96575471fbaf4534a7f43d684/FLAGacd4a532e [2019-09-20 15:13:50,570 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61cec8df6/8b3f1da96575471fbaf4534a7f43d684 [2019-09-20 15:13:50,580 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:13:50,582 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:13:50,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:13:50,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:13:50,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:13:50,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:13:50" (1/1) ... [2019-09-20 15:13:50,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d887056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:50, skipping insertion in model container [2019-09-20 15:13:50,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:13:50" (1/1) ... [2019-09-20 15:13:50,601 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:13:50,639 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:13:50,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:13:50,861 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:13:51,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:13:51,063 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:13:51,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:51 WrapperNode [2019-09-20 15:13:51,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:13:51,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:13:51,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:13:51,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:13:51,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:51" (1/1) ... [2019-09-20 15:13:51,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:51" (1/1) ... [2019-09-20 15:13:51,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:51" (1/1) ... [2019-09-20 15:13:51,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:51" (1/1) ... [2019-09-20 15:13:51,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:51" (1/1) ... [2019-09-20 15:13:51,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:51" (1/1) ... [2019-09-20 15:13:51,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:51" (1/1) ... [2019-09-20 15:13:51,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:13:51,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:13:51,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:13:51,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:13:51,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:51" (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 15:13:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:13:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:13:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 15:13:51,218 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 15:13:51,218 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 15:13:51,218 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 15:13:51,218 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 15:13:51,218 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 15:13:51,218 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 15:13:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 15:13:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 15:13:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 15:13:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 15:13:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 15:13:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 15:13:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 15:13:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 15:13:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 15:13:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 15:13:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 15:13:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:13:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:13:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 15:13:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 15:13:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 15:13:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 15:13:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:13:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 15:13:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 15:13:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 15:13:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 15:13:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 15:13:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 15:13:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 15:13:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 15:13:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 15:13:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 15:13:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 15:13:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 15:13:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 15:13:51,224 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 15:13:51,224 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:13:51,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:13:51,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:13:51,990 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:13:51,991 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 15:13:51,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:13:51 BoogieIcfgContainer [2019-09-20 15:13:51,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:13:51,993 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:13:51,993 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:13:51,994 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:13:51,995 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:13:51" (1/1) ... [2019-09-20 15:13:51,996 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:13:52,021 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:13:52,022 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:13:52,032 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:13:52,043 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:13:52,045 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:13:52,117 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-20 15:13:52,134 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 48 for LOIs [2019-09-20 15:13:52,174 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:13:52,548 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:13:52,720 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:13:52,758 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 52 for LOIs [2019-09-20 15:13:52,817 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 21 for LOIs [2019-09-20 15:13:52,819 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 14 for LOIs [2019-09-20 15:13:52,819 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:13:52,819 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:13:52,821 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1049#(and (= ~m_pc~0 1) (not (= ~m_pc~0 0)) (= ~m_st~0 1) (not (= ~token~0 (+ ~local~0 1)))) [2019-09-20 15:13:52,833 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:13:52,833 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:13:52,836 INFO L168 Benchmark]: Toolchain (without parser) took 2253.38 ms. Allocated memory was 132.6 MB in the beginning and 223.9 MB in the end (delta: 91.2 MB). Free memory was 86.8 MB in the beginning and 150.7 MB in the end (delta: -63.9 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:52,837 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:13:52,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 481.67 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 MB). Free memory was 86.6 MB in the beginning and 175.4 MB in the end (delta: -88.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:52,839 INFO L168 Benchmark]: Boogie Preprocessor took 80.66 ms. Allocated memory is still 200.8 MB. Free memory was 175.4 MB in the beginning and 173.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:52,839 INFO L168 Benchmark]: RCFGBuilder took 845.84 ms. Allocated memory is still 200.8 MB. Free memory was 173.5 MB in the beginning and 119.3 MB in the end (delta: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:52,840 INFO L168 Benchmark]: Sifa took 840.32 ms. Allocated memory was 200.8 MB in the beginning and 223.9 MB in the end (delta: 23.1 MB). Free memory was 119.3 MB in the beginning and 150.7 MB in the end (delta: -31.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:13:52,845 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 481.67 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 MB). Free memory was 86.6 MB in the beginning and 175.4 MB in the end (delta: -88.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.66 ms. Allocated memory is still 200.8 MB. Free memory was 175.4 MB in the beginning and 173.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 845.84 ms. Allocated memory is still 200.8 MB. Free memory was 173.5 MB in the beginning and 119.3 MB in the end (delta: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 7.1 GB. * Sifa took 840.32 ms. Allocated memory was 200.8 MB in the beginning and 223.9 MB in the end (delta: 23.1 MB). Free memory was 119.3 MB in the beginning and 150.7 MB in the end (delta: -31.4 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]: 800, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 382, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 260, TOOLS_POST_TIME[ms]: 113, TOOLS_POST_CALL_APPLICATIONS: 88, TOOLS_POST_CALL_TIME[ms]: 172, TOOLS_POST_RETURN_APPLICATIONS: 83, TOOLS_POST_RETURN_TIME[ms]: 126, TOOLS_QUANTIFIERELIM_APPLICATIONS: 431, TOOLS_QUANTIFIERELIM_TIME[ms]: 304, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 398, FLUID_YES_ANSWERS: 5, DOMAIN_JOIN_APPLICATIONS: 113, DOMAIN_JOIN_TIME[ms]: 22, DOMAIN_ALPHA_APPLICATIONS: 5, DOMAIN_ALPHA_TIME[ms]: 72, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 23, DOMAIN_ISBOTTOM_APPLICATIONS: 69, DOMAIN_ISBOTTOM_TIME[ms]: 112, LOOP_SUMMARIZER_APPLICATIONS: 14, LOOP_SUMMARIZER_CACHE_MISSES: 14, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 554, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 553, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 83, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 433, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 432, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 385, DAG_COMPRESSION_RETAINED_NODES: 216 - 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 1049#(and (= ~m_pc~0 1) (not (= ~m_pc~0 0)) (= ~m_st~0 1) (not (= ~token~0 (+ ~local~0 1)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...