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 NeverFluid --sifa.intern.fluid NeverFluid --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 23:36:57,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:36:57,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:36:57,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:36:57,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:36:57,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:36:57,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:36:57,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:36:57,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:36:57,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:36:57,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:36:57,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:36:57,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:36:57,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:36:57,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:36:57,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:36:57,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:36:57,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:36:57,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:36:57,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:36:57,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:36:57,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:36:57,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:36:57,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:36:57,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:36:57,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:36:57,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:36:57,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:36:57,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:36:57,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:36:57,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:36:57,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:36:57,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:36:57,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:36:57,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:36:57,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:36:57,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:36:57,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:36:57,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:36:57,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:36:57,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:36:57,770 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 23:36:57,798 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:36:57,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:36:57,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:36:57,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:36:57,801 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:36:57,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:36:57,801 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:36:57,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:36:57,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:36:57,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:36:57,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:36:57,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:36:57,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:36:57,804 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:36:57,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:36:57,804 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:36:57,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:36:57,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:36:57,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:36:57,805 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:36:57,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:36:57,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:36:57,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:36:57,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:36:57,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:36:57,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:36:57,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:36:57,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:36:57,807 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:36:57,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:36:57,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:36:57,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:36:57,865 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:36:57,865 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:36:57,866 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-20 23:36:57,926 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e330d43ee/735d00fb024a44628d84f2b310118daa/FLAG069317b75 [2019-09-20 23:36:58,372 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:36:58,374 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-20 23:36:58,390 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e330d43ee/735d00fb024a44628d84f2b310118daa/FLAG069317b75 [2019-09-20 23:36:58,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e330d43ee/735d00fb024a44628d84f2b310118daa [2019-09-20 23:36:58,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:36:58,769 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:36:58,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:36:58,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:36:58,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:36:58,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:36:58" (1/1) ... [2019-09-20 23:36:58,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e770697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:58, skipping insertion in model container [2019-09-20 23:36:58,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:36:58" (1/1) ... [2019-09-20 23:36:58,784 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:36:58,827 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:36:59,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:36:59,064 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:36:59,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:36:59,229 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:36:59,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:59 WrapperNode [2019-09-20 23:36:59,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:36:59,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:36:59,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:36:59,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:36:59,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:59" (1/1) ... [2019-09-20 23:36:59,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:59" (1/1) ... [2019-09-20 23:36:59,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:59" (1/1) ... [2019-09-20 23:36:59,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:59" (1/1) ... [2019-09-20 23:36:59,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:59" (1/1) ... [2019-09-20 23:36:59,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:59" (1/1) ... [2019-09-20 23:36:59,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:59" (1/1) ... [2019-09-20 23:36:59,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:36:59,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:36:59,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:36:59,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:36:59,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:59" (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 23:36:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:36:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:36:59,336 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 23:36:59,336 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 23:36:59,336 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 23:36:59,336 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 23:36:59,337 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 23:36:59,337 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 23:36:59,337 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 23:36:59,337 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 23:36:59,337 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 23:36:59,338 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 23:36:59,338 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 23:36:59,338 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 23:36:59,338 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 23:36:59,338 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 23:36:59,338 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 23:36:59,339 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 23:36:59,339 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 23:36:59,339 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 23:36:59,339 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:36:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:36:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 23:36:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 23:36:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 23:36:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 23:36:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:36:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 23:36:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 23:36:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 23:36:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 23:36:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 23:36:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 23:36:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 23:36:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 23:36:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 23:36:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 23:36:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 23:36:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 23:36:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 23:36:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 23:36:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:36:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:36:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:37:00,096 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:37:00,097 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 23:37:00,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:37:00 BoogieIcfgContainer [2019-09-20 23:37:00,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:37:00,099 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:37:00,099 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:37:00,099 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:37:00,100 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:37:00" (1/1) ... [2019-09-20 23:37:00,101 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 23:37:00,133 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:37:00,133 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:37:00,147 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:37:00,159 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:37:00,161 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:37:00,301 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-20 23:37:00,333 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 48 for LOIs [2019-09-20 23:37:00,859 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2019-09-20 23:37:01,827 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2019-09-20 23:37:02,026 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 23:37:02,328 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 23:37:03,301 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 23:37:03,592 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 23:37:04,098 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 23:37:04,403 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 23:37:05,019 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-20 23:37:05,136 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-20 23:37:05,525 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2019-09-20 23:37:05,649 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 23:37:05,822 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 23:37:05,996 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 23:37:06,528 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 23:37:06,790 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 23:37:07,191 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2019-09-20 23:37:07,643 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 23:37:07,941 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 23:37:08,459 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 23:37:08,758 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 23:37:09,272 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2019-09-20 23:37:09,581 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 58 [2019-09-20 23:37:09,699 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 23:37:09,706 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 51 for LOIs [2019-09-20 23:37:10,147 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 71 [2019-09-20 23:37:10,263 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 23:37:10,526 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-20 23:37:10,642 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 23:37:10,758 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 23:37:10,870 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 23:37:11,084 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-09-20 23:37:11,454 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 71 [2019-09-20 23:37:11,565 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 23:37:11,818 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2019-09-20 23:37:11,931 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 23:37:12,038 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 23:37:12,143 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 23:37:12,562 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-20 23:37:12,748 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 23:37:13,237 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-20 23:37:13,473 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 23:37:14,163 WARN L191 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 106 [2019-09-20 23:37:14,823 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 23:37:15,128 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-20 23:37:15,399 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 21 for LOIs [2019-09-20 23:37:15,401 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 14 for LOIs [2019-09-20 23:37:15,426 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:37:15,426 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:37:15,428 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 737#(and (= ~m_pc~0 1) (= ~m_st~0 1) (not (= ~token~0 (+ ~local~0 1)))) [2019-09-20 23:37:15,440 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:37:15,440 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:37:15,442 INFO L168 Benchmark]: Toolchain (without parser) took 16673.31 ms. Allocated memory was 133.7 MB in the beginning and 389.0 MB in the end (delta: 255.3 MB). Free memory was 89.1 MB in the beginning and 94.4 MB in the end (delta: -5.3 MB). Peak memory consumption was 250.0 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:15,443 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 133.7 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:37:15,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.61 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 88.9 MB in the beginning and 175.9 MB in the end (delta: -87.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:15,445 INFO L168 Benchmark]: Boogie Preprocessor took 45.73 ms. Allocated memory is still 201.3 MB. Free memory was 175.9 MB in the beginning and 174.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:15,446 INFO L168 Benchmark]: RCFGBuilder took 821.65 ms. Allocated memory is still 201.3 MB. Free memory was 174.1 MB in the beginning and 120.4 MB in the end (delta: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:15,450 INFO L168 Benchmark]: Sifa took 15341.73 ms. Allocated memory was 201.3 MB in the beginning and 389.0 MB in the end (delta: 187.7 MB). Free memory was 120.4 MB in the beginning and 94.4 MB in the end (delta: 26.0 MB). Peak memory consumption was 213.7 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:15,455 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 133.7 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 460.61 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 88.9 MB in the beginning and 175.9 MB in the end (delta: -87.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.73 ms. Allocated memory is still 201.3 MB. Free memory was 175.9 MB in the beginning and 174.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 821.65 ms. Allocated memory is still 201.3 MB. Free memory was 174.1 MB in the beginning and 120.4 MB in the end (delta: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 7.1 GB. * Sifa took 15341.73 ms. Allocated memory was 201.3 MB in the beginning and 389.0 MB in the end (delta: 187.7 MB). Free memory was 120.4 MB in the beginning and 94.4 MB in the end (delta: 26.0 MB). Peak memory consumption was 213.7 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]: 15295, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 408, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 278, TOOLS_POST_TIME[ms]: 122, TOOLS_POST_CALL_APPLICATIONS: 93, TOOLS_POST_CALL_TIME[ms]: 199, TOOLS_POST_RETURN_APPLICATIONS: 88, TOOLS_POST_RETURN_TIME[ms]: 118, TOOLS_QUANTIFIERELIM_APPLICATIONS: 459, TOOLS_QUANTIFIERELIM_TIME[ms]: 309, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 426, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 120, DOMAIN_JOIN_TIME[ms]: 13763, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 763, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 19, DOMAIN_ISBOTTOM_APPLICATIONS: 74, DOMAIN_ISBOTTOM_TIME[ms]: 159, LOOP_SUMMARIZER_APPLICATIONS: 15, LOOP_SUMMARIZER_CACHE_MISSES: 15, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 14424, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 14424, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 88, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 7549, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7548, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 385, DAG_COMPRESSION_RETAINED_NODES: 216 - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 737#(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...