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_DDA -i ../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:44:37,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:44:37,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:44:37,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:44:37,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:44:37,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:44:37,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:44:37,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:44:37,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:44:37,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:44:37,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:44:37,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:44:37,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:44:37,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:44:37,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:44:38,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:44:38,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:44:38,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:44:38,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:44:38,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:44:38,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:44:38,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:44:38,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:44:38,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:44:38,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:44:38,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:44:38,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:44:38,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:44:38,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:44:38,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:44:38,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:44:38,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:44:38,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:44:38,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:44:38,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:44:38,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:44:38,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:44:38,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:44:38,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:44:38,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:44:38,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:44:38,025 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 16:44:38,041 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:44:38,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:44:38,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:44:38,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:44:38,043 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:44:38,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:44:38,043 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:44:38,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:44:38,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:44:38,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:44:38,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:44:38,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:44:38,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:44:38,045 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:44:38,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:44:38,045 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:44:38,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:44:38,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:44:38,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:44:38,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:44:38,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:44:38,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:44:38,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:44:38,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:44:38,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:44:38,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:44:38,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:44:38,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:44:38,048 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_DDA [2019-09-20 16:44:38,086 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:44:38,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:44:38,104 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:44:38,105 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:44:38,106 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:44:38,106 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-20 16:44:38,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98577a201/be9ee3a308764345a71ccb3f8c7a06f9/FLAGe59dbddb9 [2019-09-20 16:44:38,634 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:44:38,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-20 16:44:38,644 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98577a201/be9ee3a308764345a71ccb3f8c7a06f9/FLAGe59dbddb9 [2019-09-20 16:44:38,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98577a201/be9ee3a308764345a71ccb3f8c7a06f9 [2019-09-20 16:44:38,982 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:44:38,984 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:44:38,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:44:38,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:44:38,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:44:38,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:44:38" (1/1) ... [2019-09-20 16:44:38,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78cb2f26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:38, skipping insertion in model container [2019-09-20 16:44:38,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:44:38" (1/1) ... [2019-09-20 16:44:38,998 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:44:39,039 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:44:39,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:44:39,285 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:44:39,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:44:39,432 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:44:39,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:39 WrapperNode [2019-09-20 16:44:39,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:44:39,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:44:39,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:44:39,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:44:39,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:39" (1/1) ... [2019-09-20 16:44:39,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:39" (1/1) ... [2019-09-20 16:44:39,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:39" (1/1) ... [2019-09-20 16:44:39,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:39" (1/1) ... [2019-09-20 16:44:39,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:39" (1/1) ... [2019-09-20 16:44:39,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:39" (1/1) ... [2019-09-20 16:44:39,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:39" (1/1) ... [2019-09-20 16:44:39,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:44:39,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:44:39,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:44:39,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:44:39,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:39" (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 16:44:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:44:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:44:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 16:44:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 16:44:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 16:44:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 16:44:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 16:44:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 16:44:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 16:44:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 16:44:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 16:44:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 16:44:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 16:44:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 16:44:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 16:44:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 16:44:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 16:44:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 16:44:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 16:44:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 16:44:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:44:39,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:44:39,540 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 16:44:39,540 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 16:44:39,540 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 16:44:39,540 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 16:44:39,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:44:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 16:44:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 16:44:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 16:44:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 16:44:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 16:44:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 16:44:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 16:44:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 16:44:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 16:44:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 16:44:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 16:44:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 16:44:39,543 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 16:44:39,543 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 16:44:39,543 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:44:39,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:44:39,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:44:40,296 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:44:40,296 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 16:44:40,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:44:40 BoogieIcfgContainer [2019-09-20 16:44:40,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:44:40,298 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:44:40,298 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:44:40,299 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:44:40,300 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:44:40" (1/1) ... [2019-09-20 16:44:40,301 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 16:44:40,329 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:44:40,333 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:44:40,345 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:44:40,356 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:44:40,358 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:44:40,544 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 63 for LOIs [2019-09-20 16:44:40,583 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 60 for LOIs [2019-09-20 16:44:42,154 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 16:44:42,397 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 16:44:43,351 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 16:44:43,542 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 16:44:43,550 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 32 for LOIs [2019-09-20 16:44:44,143 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 27 for LOIs [2019-09-20 16:44:44,145 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 20 for LOIs [2019-09-20 16:44:44,169 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:44:44,169 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:44:44,171 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 656#(and (<= 1 ~m_pc~0) (<= ~m_st~0 1) (<= ~t1_i~0 1) (<= ~m_pc~0 1) (<= 1 ~m_st~0) (<= ~m_i~0 1) (<= 1 ~m_i~0) (<= 1 ~t1_i~0)) [2019-09-20 16:44:44,184 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:44:44,185 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:44:44,187 INFO L168 Benchmark]: Toolchain (without parser) took 5202.69 ms. Allocated memory was 134.2 MB in the beginning and 302.0 MB in the end (delta: 167.8 MB). Free memory was 89.5 MB in the beginning and 99.2 MB in the end (delta: -9.6 MB). Peak memory consumption was 158.1 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:44,188 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:44:44,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 447.81 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 89.3 MB in the beginning and 177.1 MB in the end (delta: -87.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:44,190 INFO L168 Benchmark]: Boogie Preprocessor took 39.78 ms. Allocated memory is still 201.9 MB. Free memory was 177.1 MB in the beginning and 174.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:44,191 INFO L168 Benchmark]: RCFGBuilder took 825.05 ms. Allocated memory is still 201.9 MB. Free memory was 174.8 MB in the beginning and 121.5 MB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:44,192 INFO L168 Benchmark]: Sifa took 3886.73 ms. Allocated memory was 201.9 MB in the beginning and 302.0 MB in the end (delta: 100.1 MB). Free memory was 121.5 MB in the beginning and 99.2 MB in the end (delta: 22.3 MB). Peak memory consumption was 122.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:44,196 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 447.81 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 89.3 MB in the beginning and 177.1 MB in the end (delta: -87.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.78 ms. Allocated memory is still 201.9 MB. Free memory was 177.1 MB in the beginning and 174.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 825.05 ms. Allocated memory is still 201.9 MB. Free memory was 174.8 MB in the beginning and 121.5 MB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 7.1 GB. * Sifa took 3886.73 ms. Allocated memory was 201.9 MB in the beginning and 302.0 MB in the end (delta: 100.1 MB). Free memory was 121.5 MB in the beginning and 99.2 MB in the end (delta: 22.3 MB). Peak memory consumption was 122.4 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]: 3842, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 460, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 314, TOOLS_POST_TIME[ms]: 109, TOOLS_POST_CALL_APPLICATIONS: 103, TOOLS_POST_CALL_TIME[ms]: 243, TOOLS_POST_RETURN_APPLICATIONS: 98, TOOLS_POST_RETURN_TIME[ms]: 104, TOOLS_QUANTIFIERELIM_APPLICATIONS: 515, TOOLS_QUANTIFIERELIM_TIME[ms]: 325, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 482, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 134, DOMAIN_JOIN_TIME[ms]: 3076, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 22, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 84, DOMAIN_ISBOTTOM_TIME[ms]: 102, LOOP_SUMMARIZER_APPLICATIONS: 17, LOOP_SUMMARIZER_CACHE_MISSES: 17, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3243, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3242, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 22, CALL_SUMMARIZER_APPLICATIONS: 98, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 2165, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2161, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 44, 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 656#(and (<= 1 ~m_pc~0) (<= ~m_st~0 1) (<= ~t1_i~0 1) (<= ~m_pc~0 1) (<= 1 ~m_st~0) (<= ~m_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...