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.02.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:13:50,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:13:50,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:13:50,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:13:50,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:13:50,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:13:50,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:13:50,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:13:50,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:13:50,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:13:50,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:13:50,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:13:50,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:13:50,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:13:50,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:13:50,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:13:50,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:13:50,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:13:50,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:13:50,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:13:50,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:13:50,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:13:50,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:13:50,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:13:50,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:13:50,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:13:50,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:13:50,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:13:50,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:13:50,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:13:50,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:13:50,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:13:50,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:13:50,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:13:50,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:13:50,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:13:50,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:13:50,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:13:50,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:13:50,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:13:50,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:13:50,076 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 15:13:50,090 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:13:50,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:13:50,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:13:50,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:13:50,092 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:13:50,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:13:50,093 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:13:50,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:13:50,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:13:50,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:13:50,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:13:50,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:13:50,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:13:50,094 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:13:50,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:13:50,094 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:13:50,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:13:50,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:13:50,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:13:50,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:13:50,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:13:50,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:13:50,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:13:50,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:13:50,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:13:50,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:13:50,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:13:50,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:13:50,097 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 15:13:50,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:13:50,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:13:50,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:13:50,143 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:13:50,143 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:13:50,144 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-20 15:13:50,204 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b395f75/92ee5cc6377c4e11b2f3202adc6d33ba/FLAG97389977c [2019-09-20 15:13:50,699 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:13:50,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-20 15:13:50,723 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b395f75/92ee5cc6377c4e11b2f3202adc6d33ba/FLAG97389977c [2019-09-20 15:13:51,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b395f75/92ee5cc6377c4e11b2f3202adc6d33ba [2019-09-20 15:13:51,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:13:51,034 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:13:51,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:13:51,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:13:51,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:13:51,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:13:51" (1/1) ... [2019-09-20 15:13:51,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36977d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:51, skipping insertion in model container [2019-09-20 15:13:51,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:13:51" (1/1) ... [2019-09-20 15:13:51,048 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:13:51,081 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:13:51,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:13:51,320 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:13:51,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:13:51,494 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:13:51,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:51 WrapperNode [2019-09-20 15:13:51,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:13:51,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:13:51,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:13:51,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:13:51,508 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 15:13:51,508 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 15:13:51,515 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 15:13:51,515 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 15:13:51,525 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 15:13:51,536 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 15:13:51,538 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 15:13:51,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:13:51,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:13:51,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:13:51,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:13:51,543 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 15:13:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:13:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:13:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 15:13:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 15:13:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 15:13:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-20 15:13:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 15:13:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 15:13:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-20 15:13:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 15:13:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 15:13:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 15:13:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 15:13:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 15:13:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 15:13:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 15:13:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 15:13:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 15:13:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 15:13:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 15:13:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 15:13:51,609 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 15:13:51,609 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:13:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:13:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 15:13:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 15:13:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 15:13:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-20 15:13:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 15:13:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:13:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 15:13:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 15:13:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-20 15:13:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 15:13:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 15:13:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 15:13:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 15:13:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 15:13:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 15:13:51,612 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 15:13:51,612 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 15:13:51,612 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 15:13:51,612 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 15:13:51,612 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 15:13:51,612 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 15:13:51,612 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:13:51,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:13:51,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:13:52,485 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:13:52,485 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:13:52,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:13:52 BoogieIcfgContainer [2019-09-20 15:13:52,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:13:52,487 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:13:52,488 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:13:52,488 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:13:52,489 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:13:52" (1/1) ... [2019-09-20 15:13:52,490 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 15:13:52,512 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:13:52,513 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:13:52,530 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:13:52,542 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:13:52,544 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:13:52,634 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 71 for LOIs [2019-09-20 15:13:52,662 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 66 for LOIs [2019-09-20 15:13:52,708 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-09-20 15:13:52,937 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:13:53,248 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:13:53,256 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:13:53,472 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-09-20 15:13:53,503 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:13:53,514 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:13:53,537 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 34 for LOIs [2019-09-20 15:13:53,665 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 24 for LOIs [2019-09-20 15:13:53,667 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 15 for LOIs [2019-09-20 15:13:53,668 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:13:53,668 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:13:53,675 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2129#(and (= ~m_pc~0 1) (not (= ~m_pc~0 0)) (= ~m_st~0 1) (not (= (+ ~local~0 2) ~token~0))) [2019-09-20 15:13:53,692 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:13:53,692 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:13:53,696 INFO L168 Benchmark]: Toolchain (without parser) took 2660.32 ms. Allocated memory was 130.5 MB in the beginning and 217.1 MB in the end (delta: 86.5 MB). Free memory was 86.3 MB in the beginning and 72.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 100.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:53,697 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 130.5 MB. Free memory is still 104.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:13:53,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.53 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 85.9 MB in the beginning and 171.8 MB in the end (delta: -85.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:53,700 INFO L168 Benchmark]: Boogie Preprocessor took 46.26 ms. Allocated memory is still 198.2 MB. Free memory was 171.8 MB in the beginning and 169.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:53,701 INFO L168 Benchmark]: RCFGBuilder took 945.13 ms. Allocated memory is still 198.2 MB. Free memory was 169.9 MB in the beginning and 99.0 MB in the end (delta: 70.9 MB). Peak memory consumption was 70.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:53,706 INFO L168 Benchmark]: Sifa took 1205.16 ms. Allocated memory was 198.2 MB in the beginning and 217.1 MB in the end (delta: 18.9 MB). Free memory was 99.0 MB in the beginning and 72.9 MB in the end (delta: 26.1 MB). Peak memory consumption was 45.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:53,715 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 130.5 MB. Free memory is still 104.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 460.53 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 85.9 MB in the beginning and 171.8 MB in the end (delta: -85.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.26 ms. Allocated memory is still 198.2 MB. Free memory was 171.8 MB in the beginning and 169.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 945.13 ms. Allocated memory is still 198.2 MB. Free memory was 169.9 MB in the beginning and 99.0 MB in the end (delta: 70.9 MB). Peak memory consumption was 70.9 MB. Max. memory is 7.1 GB. * Sifa took 1205.16 ms. Allocated memory was 198.2 MB in the beginning and 217.1 MB in the end (delta: 18.9 MB). Free memory was 99.0 MB in the beginning and 72.9 MB in the end (delta: 26.1 MB). Peak memory consumption was 45.0 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]: 1167, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 634, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 456, TOOLS_POST_TIME[ms]: 144, TOOLS_POST_CALL_APPLICATIONS: 123, TOOLS_POST_CALL_TIME[ms]: 176, TOOLS_POST_RETURN_APPLICATIONS: 118, TOOLS_POST_RETURN_TIME[ms]: 127, TOOLS_QUANTIFIERELIM_APPLICATIONS: 697, TOOLS_QUANTIFIERELIM_TIME[ms]: 313, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 17, FLUID_QUERIES: 654, FLUID_YES_ANSWERS: 8, DOMAIN_JOIN_APPLICATIONS: 257, DOMAIN_JOIN_TIME[ms]: 43, DOMAIN_ALPHA_APPLICATIONS: 8, DOMAIN_ALPHA_TIME[ms]: 213, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 20, DOMAIN_ISSUBSETEQ_TIME[ms]: 26, DOMAIN_ISBOTTOM_APPLICATIONS: 185, DOMAIN_ISBOTTOM_TIME[ms]: 229, LOOP_SUMMARIZER_APPLICATIONS: 19, LOOP_SUMMARIZER_CACHE_MISSES: 19, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 586, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 585, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 20, CALL_SUMMARIZER_APPLICATIONS: 118, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 553, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 552, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 503, DAG_COMPRESSION_RETAINED_NODES: 273 - 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 2129#(and (= ~m_pc~0 1) (not (= ~m_pc~0 0)) (= ~m_st~0 1) (not (= (+ ~local~0 2) ~token~0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...