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 SingleStatement --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 19:43:45,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:43:45,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:43:45,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:43:45,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:43:45,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:43:45,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:43:45,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:43:45,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:43:45,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:43:45,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:43:45,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:43:45,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:43:45,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:43:45,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:43:45,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:43:45,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:43:45,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:43:45,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:43:45,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:43:45,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:43:45,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:43:45,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:43:45,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:43:45,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:43:45,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:43:45,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:43:45,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:43:45,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:43:45,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:43:45,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:43:45,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:43:45,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:43:45,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:43:45,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:43:45,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:43:45,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:43:45,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:43:45,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:43:45,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:43:45,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:43:45,665 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 19:43:45,679 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:43:45,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:43:45,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:43:45,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:43:45,681 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:43:45,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:43:45,681 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:43:45,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:43:45,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:43:45,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:43:45,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:43:45,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:43:45,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:43:45,683 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:43:45,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:43:45,683 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:43:45,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:43:45,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:43:45,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:43:45,684 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:43:45,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:43:45,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:43:45,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:43:45,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:43:45,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:43:45,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:43:45,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:43:45,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:43:45,686 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 -> SingleStatement 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 19:43:45,716 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:43:45,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:43:45,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:43:45,734 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:43:45,734 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:43:45,735 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-20 19:43:45,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/760ecec7a/eab07035ebc14850bcd570196f205f21/FLAGd5842405f [2019-09-20 19:43:46,285 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:43:46,286 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-20 19:43:46,299 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/760ecec7a/eab07035ebc14850bcd570196f205f21/FLAGd5842405f [2019-09-20 19:43:46,647 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/760ecec7a/eab07035ebc14850bcd570196f205f21 [2019-09-20 19:43:46,656 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:43:46,658 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:43:46,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:43:46,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:43:46,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:43:46,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:43:46" (1/1) ... [2019-09-20 19:43:46,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d64c4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:46, skipping insertion in model container [2019-09-20 19:43:46,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:43:46" (1/1) ... [2019-09-20 19:43:46,672 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:43:46,718 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:43:46,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:43:46,978 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:43:47,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:43:47,144 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:43:47,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:47 WrapperNode [2019-09-20 19:43:47,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:43:47,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:43:47,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:43:47,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:43:47,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:47" (1/1) ... [2019-09-20 19:43:47,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:47" (1/1) ... [2019-09-20 19:43:47,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:47" (1/1) ... [2019-09-20 19:43:47,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:47" (1/1) ... [2019-09-20 19:43:47,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:47" (1/1) ... [2019-09-20 19:43:47,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:47" (1/1) ... [2019-09-20 19:43:47,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:47" (1/1) ... [2019-09-20 19:43:47,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:43:47,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:43:47,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:43:47,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:43:47,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:47" (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 19:43:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:43:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:43:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 19:43:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 19:43:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 19:43:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 19:43:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 19:43:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 19:43:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 19:43:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 19:43:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 19:43:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 19:43:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 19:43:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 19:43:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 19:43:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 19:43:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 19:43:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 19:43:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 19:43:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 19:43:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:43:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:43:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 19:43:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 19:43:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 19:43:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 19:43:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:43:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 19:43:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 19:43:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 19:43:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 19:43:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 19:43:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 19:43:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 19:43:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 19:43:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 19:43:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 19:43:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 19:43:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 19:43:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 19:43:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 19:43:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:43:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:43:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:43:47,793 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:43:47,793 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 19:43:47,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:43:47 BoogieIcfgContainer [2019-09-20 19:43:47,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:43:47,795 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:43:47,795 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:43:47,796 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:43:47,797 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:43:47" (1/1) ... [2019-09-20 19:43:47,798 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 19:43:47,821 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:43:47,821 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:43:47,831 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:43:47,841 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:43:47,843 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:43:48,036 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-20 19:43:48,065 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 48 for LOIs [2019-09-20 19:43:49,200 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-20 19:43:50,936 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-09-20 19:43:51,117 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 19:43:51,253 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 19:43:51,855 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-09-20 19:43:52,272 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-20 19:43:52,392 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 19:43:52,584 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 19:43:52,763 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 19:43:53,516 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 19:43:53,990 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-20 19:43:54,095 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 19:43:54,342 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-20 19:43:54,450 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 19:43:54,457 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 49 for LOIs [2019-09-20 19:43:54,696 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2019-09-20 19:43:55,069 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2019-09-20 19:43:55,447 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 69 [2019-09-20 19:43:55,599 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 19:43:55,918 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 69 [2019-09-20 19:43:56,062 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 19:43:56,385 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-20 19:43:56,517 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 19:43:56,675 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 19:43:56,821 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 19:43:57,034 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 70 [2019-09-20 19:43:57,332 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2019-09-20 19:43:57,637 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-09-20 19:43:57,857 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-09-20 19:43:57,958 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 19:43:58,194 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-09-20 19:43:58,295 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 19:43:58,501 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-20 19:43:58,722 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 19:43:58,849 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 19:43:59,054 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2019-09-20 19:43:59,596 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 21 for LOIs [2019-09-20 19:43:59,597 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 14 for LOIs [2019-09-20 19:43:59,615 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 19:43:59,615 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 19:43:59,618 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 862#(and (= ~m_pc~0 1) (= ~m_st~0 1) (not (= ~token~0 (+ ~local~0 1)))) [2019-09-20 19:43:59,642 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 19:43:59,642 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 19:43:59,644 INFO L168 Benchmark]: Toolchain (without parser) took 12986.05 ms. Allocated memory was 141.0 MB in the beginning and 373.3 MB in the end (delta: 232.3 MB). Free memory was 87.0 MB in the beginning and 339.8 MB in the end (delta: -252.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 19:43:59,644 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 19:43:59,645 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.32 ms. Allocated memory was 141.0 MB in the beginning and 201.9 MB in the end (delta: 60.8 MB). Free memory was 86.8 MB in the beginning and 177.7 MB in the end (delta: -90.9 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-09-20 19:43:59,646 INFO L168 Benchmark]: Boogie Preprocessor took 39.87 ms. Allocated memory is still 201.9 MB. Free memory was 177.7 MB in the beginning and 175.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-20 19:43:59,647 INFO L168 Benchmark]: RCFGBuilder took 609.16 ms. Allocated memory is still 201.9 MB. Free memory was 175.8 MB in the beginning and 140.2 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2019-09-20 19:43:59,648 INFO L168 Benchmark]: Sifa took 11847.02 ms. Allocated memory was 201.9 MB in the beginning and 373.3 MB in the end (delta: 171.4 MB). Free memory was 140.2 MB in the beginning and 339.8 MB in the end (delta: -199.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 19:43:59,651 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 486.32 ms. Allocated memory was 141.0 MB in the beginning and 201.9 MB in the end (delta: 60.8 MB). Free memory was 86.8 MB in the beginning and 177.7 MB in the end (delta: -90.9 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.87 ms. Allocated memory is still 201.9 MB. Free memory was 177.7 MB in the beginning and 175.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 609.16 ms. Allocated memory is still 201.9 MB. Free memory was 175.8 MB in the beginning and 140.2 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * Sifa took 11847.02 ms. Allocated memory was 201.9 MB in the beginning and 373.3 MB in the end (delta: 171.4 MB). Free memory was 140.2 MB in the beginning and 339.8 MB in the end (delta: -199.7 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]: 11798, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 511, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 426, TOOLS_POST_TIME[ms]: 122, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 181, TOOLS_POST_RETURN_APPLICATIONS: 56, TOOLS_POST_RETURN_TIME[ms]: 92, TOOLS_QUANTIFIERELIM_APPLICATIONS: 542, TOOLS_QUANTIFIERELIM_TIME[ms]: 268, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 24, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 518, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 139, DOMAIN_JOIN_TIME[ms]: 10106, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 865, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 21, DOMAIN_ISBOTTOM_APPLICATIONS: 107, DOMAIN_ISBOTTOM_TIME[ms]: 195, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9988, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9987, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 56, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4703, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4701, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 11, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 60, DAG_COMPRESSION_PROCESSED_NODES: 746, DAG_COMPRESSION_RETAINED_NODES: 370 - 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 862#(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...