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 SequenceOfStatements --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 18:45:10,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:45:10,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:45:10,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:45:10,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:45:10,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:45:10,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:45:10,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:45:10,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:45:10,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:45:10,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:45:10,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:45:10,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:45:10,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:45:10,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:45:10,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:45:10,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:45:10,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:45:10,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:45:10,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:45:10,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:45:10,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:45:10,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:45:10,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:45:10,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:45:10,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:45:10,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:45:10,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:45:10,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:45:10,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:45:10,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:45:10,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:45:10,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:45:10,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:45:10,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:45:10,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:45:10,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:45:10,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:45:10,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:45:10,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:45:10,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:45:10,740 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 18:45:10,754 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:45:10,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:45:10,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:45:10,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:45:10,756 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:45:10,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:45:10,756 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:45:10,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:45:10,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:45:10,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:45:10,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:45:10,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:45:10,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:45:10,758 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:45:10,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:45:10,758 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:45:10,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:45:10,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:45:10,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:45:10,759 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:45:10,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:45:10,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:45:10,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:45:10,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:45:10,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:45:10,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:45:10,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:45:10,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:45:10,761 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 -> SequenceOfStatements 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 18:45:10,792 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:45:10,804 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:45:10,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:45:10,809 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:45:10,810 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:45:10,811 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-20 18:45:10,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5ad76bfa/5982eecf6da34b0baf9f96de63803683/FLAGe36f8bc8b [2019-09-20 18:45:11,373 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:45:11,374 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-20 18:45:11,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5ad76bfa/5982eecf6da34b0baf9f96de63803683/FLAGe36f8bc8b [2019-09-20 18:45:11,719 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5ad76bfa/5982eecf6da34b0baf9f96de63803683 [2019-09-20 18:45:11,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:45:11,730 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:45:11,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:45:11,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:45:11,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:45:11,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:45:11" (1/1) ... [2019-09-20 18:45:11,741 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 20.09 06:45:11, skipping insertion in model container [2019-09-20 18:45:11,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:45:11" (1/1) ... [2019-09-20 18:45:11,748 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:45:11,777 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:45:11,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:45:11,986 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:45:12,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:45:12,131 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:45:12,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:12 WrapperNode [2019-09-20 18:45:12,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:45:12,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:45:12,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:45:12,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:45:12,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:12" (1/1) ... [2019-09-20 18:45:12,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:12" (1/1) ... [2019-09-20 18:45:12,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:12" (1/1) ... [2019-09-20 18:45:12,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:12" (1/1) ... [2019-09-20 18:45:12,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:12" (1/1) ... [2019-09-20 18:45:12,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:12" (1/1) ... [2019-09-20 18:45:12,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:12" (1/1) ... [2019-09-20 18:45:12,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:45:12,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:45:12,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:45:12,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:45:12,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:12" (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 18:45:12,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:45:12,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:45:12,249 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 18:45:12,249 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 18:45:12,250 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 18:45:12,250 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 18:45:12,250 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 18:45:12,251 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 18:45:12,251 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 18:45:12,251 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 18:45:12,251 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 18:45:12,251 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 18:45:12,251 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 18:45:12,252 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 18:45:12,252 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 18:45:12,252 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 18:45:12,252 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 18:45:12,252 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 18:45:12,252 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 18:45:12,253 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 18:45:12,253 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:45:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:45:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 18:45:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 18:45:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 18:45:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 18:45:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 18:45:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 18:45:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 18:45:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 18:45:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 18:45:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 18:45:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 18:45:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 18:45:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 18:45:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 18:45:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 18:45:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 18:45:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 18:45:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 18:45:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 18:45:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:45:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:45:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:45:12,779 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:45:12,779 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 18:45:12,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:45:12 BoogieIcfgContainer [2019-09-20 18:45:12,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:45:12,782 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:45:12,782 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:45:12,782 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:45:12,784 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:45:12" (1/1) ... [2019-09-20 18:45:12,784 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=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 18:45:12,809 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:45:12,809 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:45:12,819 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:45:12,829 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:45:12,830 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:45:12,995 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-20 18:45:13,043 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 48 for LOIs [2019-09-20 18:45:13,921 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-20 18:45:15,023 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2019-09-20 18:45:15,663 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-20 18:45:16,056 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-20 18:45:16,663 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 18:45:17,012 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-20 18:45:17,407 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-20 18:45:17,954 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-20 18:45:18,354 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-20 18:45:18,913 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-09-20 18:45:19,024 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 18:45:19,352 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-20 18:45:19,468 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 18:45:19,635 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 18:45:19,819 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 18:45:20,400 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-20 18:45:20,506 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 18:45:20,784 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-20 18:45:21,131 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 18:45:21,693 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-20 18:45:21,796 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 18:45:22,102 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-20 18:45:22,616 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-20 18:45:23,001 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-20 18:45:23,422 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-20 18:45:23,796 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-20 18:45:23,927 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 18:45:23,938 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 48 for LOIs [2019-09-20 18:45:24,215 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-20 18:45:24,335 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 18:45:24,707 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2019-09-20 18:45:24,967 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2019-09-20 18:45:25,103 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 18:45:25,428 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-20 18:45:25,545 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 18:45:25,926 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-20 18:45:26,166 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2019-09-20 18:45:26,210 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 21 for LOIs [2019-09-20 18:45:26,212 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 14 for LOIs [2019-09-20 18:45:26,238 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:45:26,239 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:45:26,242 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 851#(and (= ~m_pc~0 1) (= ~m_st~0 1) (not (= ~token~0 (+ ~local~0 1)))) [2019-09-20 18:45:26,257 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:45:26,257 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:45:26,259 INFO L168 Benchmark]: Toolchain (without parser) took 14528.23 ms. Allocated memory was 133.2 MB in the beginning and 402.1 MB in the end (delta: 269.0 MB). Free memory was 88.6 MB in the beginning and 332.6 MB in the end (delta: -243.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:26,262 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:45:26,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.94 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.4 MB in the beginning and 174.9 MB in the end (delta: -86.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:26,271 INFO L168 Benchmark]: Boogie Preprocessor took 53.54 ms. Allocated memory is still 200.3 MB. Free memory was 174.9 MB in the beginning and 172.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:26,272 INFO L168 Benchmark]: RCFGBuilder took 594.57 ms. Allocated memory is still 200.3 MB. Free memory was 172.5 MB in the beginning and 141.8 MB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:26,274 INFO L168 Benchmark]: Sifa took 13475.21 ms. Allocated memory was 200.3 MB in the beginning and 402.1 MB in the end (delta: 201.9 MB). Free memory was 141.8 MB in the beginning and 332.6 MB in the end (delta: -190.8 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:26,282 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 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 400.94 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.4 MB in the beginning and 174.9 MB in the end (delta: -86.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.54 ms. Allocated memory is still 200.3 MB. Free memory was 174.9 MB in the beginning and 172.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 594.57 ms. Allocated memory is still 200.3 MB. Free memory was 172.5 MB in the beginning and 141.8 MB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * Sifa took 13475.21 ms. Allocated memory was 200.3 MB in the beginning and 402.1 MB in the end (delta: 201.9 MB). Free memory was 141.8 MB in the beginning and 332.6 MB in the end (delta: -190.8 MB). Peak memory consumption was 11.1 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]: 13433, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 460, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 323, TOOLS_POST_TIME[ms]: 111, TOOLS_POST_CALL_APPLICATIONS: 88, TOOLS_POST_CALL_TIME[ms]: 194, TOOLS_POST_RETURN_APPLICATIONS: 83, TOOLS_POST_RETURN_TIME[ms]: 113, TOOLS_QUANTIFIERELIM_APPLICATIONS: 493, TOOLS_QUANTIFIERELIM_TIME[ms]: 287, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 476, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 147, DOMAIN_JOIN_TIME[ms]: 12264, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 351, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 98, DOMAIN_ISBOTTOM_TIME[ms]: 204, LOOP_SUMMARIZER_APPLICATIONS: 14, LOOP_SUMMARIZER_CACHE_MISSES: 14, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11950, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11950, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 83, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 9151, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9150, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 12, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 495, DAG_COMPRESSION_RETAINED_NODES: 292 - 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 851#(and (= ~m_pc~0 1) (= ~m_st~0 1) (not (= ~token~0 (+ ~local~0 1)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...