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 IntervalDomain --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-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:19:28,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:19:28,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:19:28,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:19:28,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:19:28,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:19:28,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:19:28,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:19:28,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:19:28,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:19:28,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:19:28,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:19:28,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:19:28,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:19:28,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:19:28,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:19:28,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:19:28,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:19:28,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:19:28,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:19:28,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:19:28,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:19:28,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:19:28,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:19:28,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:19:28,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:19:28,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:19:28,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:19:28,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:19:28,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:19:28,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:19:28,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:19:28,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:19:28,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:19:28,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:19:28,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:19:28,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:19:28,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:19:28,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:19:28,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:19:28,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:19:28,092 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 [2019-09-21 09:19:28,106 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:19:28,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:19:28,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:19:28,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:19:28,108 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:19:28,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:19:28,108 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:19:28,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:19:28,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:19:28,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:19:28,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:19:28,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:19:28,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:19:28,110 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:19:28,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:19:28,110 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:19:28,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:19:28,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:19:28,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:19:28,111 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:19:28,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:19:28,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:19:28,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:19:28,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:19:28,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:19:28,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:19:28,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:19:28,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:19:28,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 [2019-09-21 09:19:28,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:19:28,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:19:28,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:19:28,162 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:19:28,163 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:19:28,163 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-21 09:19:28,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/945acba4e/94ffd8040f564a97ab4eba7831b775c7/FLAG3308295fe [2019-09-21 09:19:28,715 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:19:28,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-21 09:19:28,733 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/945acba4e/94ffd8040f564a97ab4eba7831b775c7/FLAG3308295fe [2019-09-21 09:19:29,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/945acba4e/94ffd8040f564a97ab4eba7831b775c7 [2019-09-21 09:19:29,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:19:29,086 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:19:29,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:19:29,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:19:29,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:19:29,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:19:29" (1/1) ... [2019-09-21 09:19:29,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b02fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:29, skipping insertion in model container [2019-09-21 09:19:29,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:19:29" (1/1) ... [2019-09-21 09:19:29,106 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:19:29,151 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:19:29,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:19:29,542 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:19:29,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:19:29,637 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:19:29,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:29 WrapperNode [2019-09-21 09:19:29,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:19:29,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:19:29,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:19:29,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:19:29,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:29" (1/1) ... [2019-09-21 09:19:29,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:29" (1/1) ... [2019-09-21 09:19:29,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:29" (1/1) ... [2019-09-21 09:19:29,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:29" (1/1) ... [2019-09-21 09:19:29,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:29" (1/1) ... [2019-09-21 09:19:29,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:29" (1/1) ... [2019-09-21 09:19:29,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:29" (1/1) ... [2019-09-21 09:19:29,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:19:29,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:19:29,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:19:29,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:19:29,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:29" (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 [2019-09-21 09:19:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:19:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:19:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-21 09:19:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-21 09:19:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-21 09:19:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-21 09:19:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-21 09:19:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-21 09:19:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-21 09:19:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-21 09:19:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-21 09:19:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-21 09:19:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-21 09:19:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-21 09:19:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-21 09:19:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-21 09:19:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-21 09:19:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-21 09:19:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-21 09:19:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-21 09:19:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-21 09:19:29,756 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-21 09:19:29,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:19:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:19:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-21 09:19:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-21 09:19:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-21 09:19:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-21 09:19:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-21 09:19:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:19:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-21 09:19:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-21 09:19:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-21 09:19:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-21 09:19:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-21 09:19:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-21 09:19:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-21 09:19:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-21 09:19:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-21 09:19:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-21 09:19:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-21 09:19:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-21 09:19:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-21 09:19:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-21 09:19:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-21 09:19:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:19:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:19:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:19:30,712 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:19:30,712 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 09:19:30,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:19:30 BoogieIcfgContainer [2019-09-21 09:19:30,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:19:30,715 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:19:30,715 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:19:30,715 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:19:30,717 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:19:30" (1/1) ... [2019-09-21 09:19:30,717 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 [2019-09-21 09:19:30,752 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:19:30,752 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:19:30,768 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:19:30,779 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:19:30,781 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:19:30,985 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 88 for LOIs [2019-09-21 09:19:31,071 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 83 for LOIs [2019-09-21 09:19:31,149 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 09:19:31,471 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 09:19:32,211 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 09:19:32,803 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 58 for LOIs [2019-09-21 09:19:33,179 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 33 for LOIs [2019-09-21 09:19:33,181 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 24 for LOIs [2019-09-21 09:19:33,183 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:19:33,183 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:19:33,186 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 958#(and (<= 1 ~m_pc~0) (<= ~m_st~0 1) (<= 1 ~t2_i~0) (<= ~t1_i~0 1) (<= ~m_pc~0 1) (<= 1 ~m_st~0) (<= ~m_i~0 1) (<= ~t2_i~0 1) (<= 1 ~m_i~0) (<= 1 ~t1_i~0)) [2019-09-21 09:19:33,202 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:19:33,202 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:19:33,205 INFO L168 Benchmark]: Toolchain (without parser) took 4117.62 ms. Allocated memory was 131.6 MB in the beginning and 267.4 MB in the end (delta: 135.8 MB). Free memory was 87.1 MB in the beginning and 209.3 MB in the end (delta: -122.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:33,208 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 131.6 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. [2019-09-21 09:19:33,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.76 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 86.9 MB in the beginning and 171.9 MB in the end (delta: -85.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:33,210 INFO L168 Benchmark]: Boogie Preprocessor took 55.25 ms. Allocated memory is still 198.7 MB. Free memory was 171.9 MB in the beginning and 169.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:33,211 INFO L168 Benchmark]: RCFGBuilder took 1019.70 ms. Allocated memory is still 198.7 MB. Free memory was 169.7 MB in the beginning and 98.9 MB in the end (delta: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:33,217 INFO L168 Benchmark]: Sifa took 2487.55 ms. Allocated memory was 198.7 MB in the beginning and 267.4 MB in the end (delta: 68.7 MB). Free memory was 98.9 MB in the beginning and 209.3 MB in the end (delta: -110.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 09:19:33,229 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 131.6 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 550.76 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 86.9 MB in the beginning and 171.9 MB in the end (delta: -85.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.25 ms. Allocated memory is still 198.7 MB. Free memory was 171.9 MB in the beginning and 169.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1019.70 ms. Allocated memory is still 198.7 MB. Free memory was 169.7 MB in the beginning and 98.9 MB in the end (delta: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. * Sifa took 2487.55 ms. Allocated memory was 198.7 MB in the beginning and 267.4 MB in the end (delta: 68.7 MB). Free memory was 98.9 MB in the beginning and 209.3 MB in the end (delta: -110.4 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]: 2435, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 634, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 456, TOOLS_POST_TIME[ms]: 185, TOOLS_POST_CALL_APPLICATIONS: 123, TOOLS_POST_CALL_TIME[ms]: 382, TOOLS_POST_RETURN_APPLICATIONS: 118, TOOLS_POST_RETURN_TIME[ms]: 159, TOOLS_QUANTIFIERELIM_APPLICATIONS: 697, TOOLS_QUANTIFIERELIM_TIME[ms]: 519, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 26, FLUID_QUERY_TIME[ms]: 21, FLUID_QUERIES: 654, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 257, DOMAIN_JOIN_TIME[ms]: 1098, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 78, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 20, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 185, DOMAIN_ISBOTTOM_TIME[ms]: 282, LOOP_SUMMARIZER_APPLICATIONS: 19, LOOP_SUMMARIZER_CACHE_MISSES: 19, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1431, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1430, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 20, CALL_SUMMARIZER_APPLICATIONS: 118, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1529, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1528, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 53, 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 958#(and (<= 1 ~m_pc~0) (<= ~m_st~0 1) (<= 1 ~t2_i~0) (<= ~t1_i~0 1) (<= ~m_pc~0 1) (<= 1 ~m_st~0) (<= ~m_i~0 1) (<= ~t2_i~0 1) (<= 1 ~m_i~0) (<= 1 ~t1_i~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...