java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:25:50,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:25:50,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:25:50,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:25:50,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:25:50,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:25:50,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:25:50,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:25:50,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:25:50,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:25:50,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:25:50,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:25:50,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:25:50,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:25:50,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:25:50,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:25:50,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:25:50,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:25:50,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:25:50,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:25:50,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:25:50,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:25:50,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:25:50,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:25:50,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:25:50,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:25:50,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:25:50,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:25:50,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:25:50,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:25:50,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:25:50,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:25:50,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:25:50,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:25:50,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:25:50,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:25:50,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:25:50,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:25:50,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:25:50,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:25:50,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:25:50,160 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 14:25:50,194 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:25:50,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:25:50,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:25:50,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:25:50,200 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:25:50,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:25:50,201 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:25:50,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:25:50,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:25:50,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:25:50,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:25:50,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:25:50,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:25:50,202 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:25:50,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:25:50,202 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:25:50,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:25:50,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:25:50,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:25:50,203 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:25:50,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:25:50,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:25:50,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:25:50,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:25:50,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:25:50,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:25:50,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:25:50,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:25:50,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 14:25:50,251 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:25:50,264 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:25:50,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:25:50,269 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:25:50,269 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:25:50,270 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2019-09-20 14:25:50,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94c371b59/40e405fd96c847ba98340787bdfe894e/FLAGb34d65a50 [2019-09-20 14:25:50,736 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:25:50,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2019-09-20 14:25:50,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94c371b59/40e405fd96c847ba98340787bdfe894e/FLAGb34d65a50 [2019-09-20 14:25:51,134 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94c371b59/40e405fd96c847ba98340787bdfe894e [2019-09-20 14:25:51,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:25:51,144 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:25:51,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:25:51,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:25:51,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:25:51,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:25:51" (1/1) ... [2019-09-20 14:25:51,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62fe4094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:51, skipping insertion in model container [2019-09-20 14:25:51,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:25:51" (1/1) ... [2019-09-20 14:25:51,162 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:25:51,216 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:25:51,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:25:51,546 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:25:51,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:25:51,754 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:25:51,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:51 WrapperNode [2019-09-20 14:25:51,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:25:51,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:25:51,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:25:51,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:25:51,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:51" (1/1) ... [2019-09-20 14:25:51,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:51" (1/1) ... [2019-09-20 14:25:51,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:51" (1/1) ... [2019-09-20 14:25:51,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:51" (1/1) ... [2019-09-20 14:25:51,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:51" (1/1) ... [2019-09-20 14:25:51,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:51" (1/1) ... [2019-09-20 14:25:51,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:51" (1/1) ... [2019-09-20 14:25:51,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:25:51,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:25:51,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:25:51,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:25:51,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:25:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:25:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:25:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 14:25:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 14:25:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 14:25:51,906 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 14:25:51,906 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 14:25:51,906 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 14:25:51,906 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 14:25:51,906 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 14:25:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 14:25:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 14:25:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 14:25:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 14:25:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 14:25:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 14:25:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 14:25:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 14:25:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 14:25:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 14:25:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:25:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:25:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 14:25:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 14:25:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 14:25:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 14:25:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 14:25:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 14:25:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 14:25:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 14:25:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 14:25:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 14:25:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 14:25:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 14:25:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 14:25:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 14:25:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 14:25:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 14:25:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 14:25:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 14:25:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 14:25:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:25:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:25:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:25:52,710 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:25:52,711 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 14:25:52,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:25:52 BoogieIcfgContainer [2019-09-20 14:25:52,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:25:52,714 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:25:52,714 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:25:52,714 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:25:52,715 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:25:52" (1/1) ... [2019-09-20 14:25:52,716 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 14:25:52,741 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:25:52,742 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:25:52,750 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:25:52,759 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:25:52,761 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:25:52,897 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-20 14:25:52,943 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 48 for LOIs [2019-09-20 14:25:53,574 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2019-09-20 14:25:54,298 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2019-09-20 14:25:54,459 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-20 14:25:55,461 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-20 14:25:55,573 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-20 14:25:55,980 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-20 14:25:56,779 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2019-09-20 14:25:57,205 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-20 14:25:57,329 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-20 14:25:57,721 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2019-09-20 14:25:57,886 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 14:25:57,890 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 51 for LOIs [2019-09-20 14:25:58,203 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 76 [2019-09-20 14:25:58,327 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 14:25:58,849 WARN L191 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2019-09-20 14:25:59,379 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 21 for LOIs [2019-09-20 14:25:59,424 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 6 for LOIs [2019-09-20 14:25:59,432 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 14:25:59,432 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 14:25:59,436 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 462#(and (= ~m_pc~0 1) (= ~m_st~0 1)) [2019-09-20 14:25:59,451 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 14:25:59,451 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 14:25:59,453 INFO L168 Benchmark]: Toolchain (without parser) took 8308.42 ms. Allocated memory was 142.1 MB in the beginning and 313.5 MB in the end (delta: 171.4 MB). Free memory was 89.1 MB in the beginning and 277.4 MB in the end (delta: -188.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 14:25:59,454 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 142.1 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 14:25:59,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.05 ms. Allocated memory was 142.1 MB in the beginning and 203.4 MB in the end (delta: 61.3 MB). Free memory was 88.9 MB in the beginning and 178.9 MB in the end (delta: -89.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-09-20 14:25:59,456 INFO L168 Benchmark]: Boogie Preprocessor took 90.15 ms. Allocated memory is still 203.4 MB. Free memory was 178.3 MB in the beginning and 176.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-09-20 14:25:59,456 INFO L168 Benchmark]: RCFGBuilder took 865.41 ms. Allocated memory is still 203.4 MB. Free memory was 176.6 MB in the beginning and 121.1 MB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2019-09-20 14:25:59,457 INFO L168 Benchmark]: Sifa took 6737.43 ms. Allocated memory was 203.4 MB in the beginning and 313.5 MB in the end (delta: 110.1 MB). Free memory was 121.1 MB in the beginning and 277.4 MB in the end (delta: -156.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 14:25:59,461 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 142.1 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 612.05 ms. Allocated memory was 142.1 MB in the beginning and 203.4 MB in the end (delta: 61.3 MB). Free memory was 88.9 MB in the beginning and 178.9 MB in the end (delta: -89.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.15 ms. Allocated memory is still 203.4 MB. Free memory was 178.3 MB in the beginning and 176.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 865.41 ms. Allocated memory is still 203.4 MB. Free memory was 176.6 MB in the beginning and 121.1 MB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. * Sifa took 6737.43 ms. Allocated memory was 203.4 MB in the beginning and 313.5 MB in the end (delta: 110.1 MB). Free memory was 121.1 MB in the beginning and 277.4 MB in the end (delta: -156.3 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]: 6694, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 236, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 163, TOOLS_POST_TIME[ms]: 77, TOOLS_POST_CALL_APPLICATIONS: 60, TOOLS_POST_CALL_TIME[ms]: 154, TOOLS_POST_RETURN_APPLICATIONS: 54, TOOLS_POST_RETURN_TIME[ms]: 93, TOOLS_QUANTIFIERELIM_APPLICATIONS: 277, TOOLS_QUANTIFIERELIM_TIME[ms]: 242, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 16, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 241, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 74, DOMAIN_JOIN_TIME[ms]: 6043, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 79, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 55, DOMAIN_ISBOTTOM_TIME[ms]: 94, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4270, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4270, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 54, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 3240, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3239, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 389, DAG_COMPRESSION_RETAINED_NODES: 196 - 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 462#(and (= ~m_pc~0 1) (= ~m_st~0 1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...