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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/token_ring.03.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 07:08:17,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 07:08:17,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 07:08:17,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 07:08:17,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 07:08:17,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 07:08:17,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 07:08:17,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 07:08:17,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 07:08:17,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 07:08:17,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 07:08:17,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 07:08:17,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 07:08:17,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 07:08:17,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 07:08:17,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 07:08:17,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 07:08:17,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 07:08:17,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 07:08:17,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 07:08:17,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 07:08:17,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 07:08:17,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 07:08:17,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 07:08:17,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 07:08:17,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 07:08:17,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 07:08:17,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 07:08:17,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 07:08:17,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 07:08:17,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 07:08:17,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 07:08:17,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 07:08:17,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 07:08:17,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 07:08:17,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 07:08:17,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 07:08:17,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 07:08:17,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 07:08:17,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 07:08:17,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 07:08:17,170 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 [2019-10-15 07:08:17,191 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 07:08:17,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 07:08:17,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 07:08:17,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 07:08:17,193 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 07:08:17,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 07:08:17,194 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 07:08:17,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 07:08:17,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 07:08:17,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 07:08:17,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 07:08:17,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 07:08:17,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 07:08:17,196 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 07:08:17,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 07:08:17,197 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 07:08:17,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 07:08:17,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 07:08:17,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 07:08:17,197 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 07:08:17,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 07:08:17,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 07:08:17,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 07:08:17,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 07:08:17,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 07:08:17,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 07:08:17,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 07:08:17,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 07:08:17,199 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 07:08:17,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 07:08:17,503 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 07:08:17,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 07:08:17,508 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 07:08:17,509 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 07:08:17,509 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.03.cil-1.c [2019-10-15 07:08:17,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9ded6475/cb7e8e9f57a342b786060e6aacd40d58/FLAG847bd4919 [2019-10-15 07:08:18,057 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 07:08:18,060 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.03.cil-1.c [2019-10-15 07:08:18,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9ded6475/cb7e8e9f57a342b786060e6aacd40d58/FLAG847bd4919 [2019-10-15 07:08:18,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9ded6475/cb7e8e9f57a342b786060e6aacd40d58 [2019-10-15 07:08:18,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 07:08:18,446 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 07:08:18,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 07:08:18,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 07:08:18,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 07:08:18,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:08:18" (1/1) ... [2019-10-15 07:08:18,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9fb768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:18, skipping insertion in model container [2019-10-15 07:08:18,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:08:18" (1/1) ... [2019-10-15 07:08:18,468 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 07:08:18,526 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 07:08:18,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:08:18,782 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 07:08:18,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:08:18,970 INFO L192 MainTranslator]: Completed translation [2019-10-15 07:08:18,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:18 WrapperNode [2019-10-15 07:08:18,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 07:08:18,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 07:08:18,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 07:08:18,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 07:08:18,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:18" (1/1) ... [2019-10-15 07:08:18,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:18" (1/1) ... [2019-10-15 07:08:18,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:18" (1/1) ... [2019-10-15 07:08:18,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:18" (1/1) ... [2019-10-15 07:08:19,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:18" (1/1) ... [2019-10-15 07:08:19,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:18" (1/1) ... [2019-10-15 07:08:19,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:18" (1/1) ... [2019-10-15 07:08:19,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 07:08:19,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 07:08:19,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 07:08:19,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 07:08:19,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:18" (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 [2019-10-15 07:08:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 07:08:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 07:08:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-15 07:08:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-10-15 07:08:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-10-15 07:08:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-10-15 07:08:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2019-10-15 07:08:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-10-15 07:08:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-10-15 07:08:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-10-15 07:08:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2019-10-15 07:08:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-10-15 07:08:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-10-15 07:08:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-10-15 07:08:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-15 07:08:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-10-15 07:08:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-10-15 07:08:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-10-15 07:08:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-10-15 07:08:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-10-15 07:08:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-10-15 07:08:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-10-15 07:08:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-10-15 07:08:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-15 07:08:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 07:08:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 07:08:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-15 07:08:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-10-15 07:08:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-10-15 07:08:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-10-15 07:08:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2019-10-15 07:08:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-10-15 07:08:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 07:08:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-10-15 07:08:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-10-15 07:08:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-10-15 07:08:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2019-10-15 07:08:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-10-15 07:08:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-10-15 07:08:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-10-15 07:08:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-15 07:08:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-10-15 07:08:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-10-15 07:08:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-10-15 07:08:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-10-15 07:08:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-10-15 07:08:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-10-15 07:08:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-10-15 07:08:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-15 07:08:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 07:08:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 07:08:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 07:08:20,234 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 07:08:20,234 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-15 07:08:20,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:08:20 BoogieIcfgContainer [2019-10-15 07:08:20,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 07:08:20,236 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 07:08:20,236 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 07:08:20,237 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 07:08:20,238 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:08:20" (1/1) ... [2019-10-15 07:08:20,239 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-15 07:08:20,288 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 07:08:20,288 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 07:08:20,305 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 07:08:20,316 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 07:08:20,317 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 07:08:20,659 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 117 for LOIs [2019-10-15 07:08:20,714 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 104 for LOIs [2019-10-15 07:08:20,832 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-10-15 07:08:20,877 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-10-15 07:08:21,310 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-10-15 07:08:21,348 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-10-15 07:08:22,141 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-10-15 07:08:22,159 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-10-15 07:08:23,598 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 85 for LOIs [2019-10-15 07:08:24,631 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 45 for LOIs [2019-10-15 07:08:24,642 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 29 for LOIs [2019-10-15 07:08:24,649 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 07:08:24,661 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 07:08:24,661 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 07:08:24,664 INFO L168 Benchmark]: Toolchain (without parser) took 6217.57 ms. Allocated memory was 146.3 MB in the beginning and 352.3 MB in the end (delta: 206.0 MB). Free memory was 102.7 MB in the beginning and 299.8 MB in the end (delta: -197.1 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-10-15 07:08:24,665 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 07:08:24,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 521.06 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 102.5 MB in the beginning and 178.5 MB in the end (delta: -75.9 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-10-15 07:08:24,667 INFO L168 Benchmark]: Boogie Preprocessor took 51.79 ms. Allocated memory is still 202.9 MB. Free memory was 178.5 MB in the beginning and 175.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-10-15 07:08:24,668 INFO L168 Benchmark]: RCFGBuilder took 1212.47 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 175.8 MB in the beginning and 197.8 MB in the end (delta: -22.0 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. [2019-10-15 07:08:24,669 INFO L168 Benchmark]: Sifa took 4425.00 ms. Allocated memory was 234.4 MB in the beginning and 352.3 MB in the end (delta: 118.0 MB). Free memory was 197.8 MB in the beginning and 299.8 MB in the end (delta: -102.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-10-15 07:08:24,673 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 521.06 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 102.5 MB in the beginning and 178.5 MB in the end (delta: -75.9 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.79 ms. Allocated memory is still 202.9 MB. Free memory was 178.5 MB in the beginning and 175.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1212.47 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 175.8 MB in the beginning and 197.8 MB in the end (delta: -22.0 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. * Sifa took 4425.00 ms. Allocated memory was 234.4 MB in the beginning and 352.3 MB in the end (delta: 118.0 MB). Free memory was 197.8 MB in the beginning and 299.8 MB in the end (delta: -102.1 MB). Peak memory consumption was 15.9 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]: 4361, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 481, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 348, TOOLS_POST_TIME[ms]: 145, TOOLS_POST_CALL_APPLICATIONS: 104, TOOLS_POST_CALL_TIME[ms]: 297, TOOLS_POST_RETURN_APPLICATIONS: 98, TOOLS_POST_RETURN_TIME[ms]: 125, TOOLS_QUANTIFIERELIM_APPLICATIONS: 550, TOOLS_QUANTIFIERELIM_TIME[ms]: 416, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 20, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 486, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 184, DOMAIN_JOIN_TIME[ms]: 3183, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 115, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 62, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 130, DOMAIN_ISBOTTOM_TIME[ms]: 211, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1863, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1862, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 98, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1986, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1985, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 56, DAG_COMPRESSION_PROCESSED_NODES: 695, DAG_COMPRESSION_RETAINED_NODES: 317 - 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 2442#(and (= ~m_pc~0 1) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (= ~m_i~0 1) (= ~t1_i~0 1) (<= 1 ~t2_i~0) (= ~m_st~0 1) (<= ~t1_i~0 1) (<= ~t3_i~0 1) (<= ~m_i~0 1) (<= 1 ~m_i~0) (= ~t3_i~0 1) (<= 1 ~t3_i~0) (not (= ~m_pc~0 0)) (= ~t2_i~0 1) (<= ~m_pc~0 1) (<= 1 ~m_st~0) (<= ~t2_i~0 1) (<= 1 ~t1_i~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...