java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:33:12,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:33:12,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:33:12,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:33:12,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:33:12,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:33:12,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:33:12,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:33:12,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:33:12,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:33:12,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:33:12,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:33:12,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:33:12,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:33:12,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:33:12,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:33:12,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:33:12,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:33:12,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:33:12,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:33:12,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:33:12,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:33:12,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:33:12,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:33:12,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 11:33:12,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 11:33:12,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 11:33:12,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 11:33:12,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 11:33:12,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 11:33:12,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:33:12,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:33:12,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:33:12,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:33:12,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:33:12,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:33:12,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:33:12,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:33:12,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:33:12,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:33:12,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:33:12,727 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 [2019-09-06 11:33:12,751 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:33:12,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:33:12,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:33:12,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:33:12,754 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:33:12,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:33:12,754 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:33:12,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:33:12,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:33:12,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:33:12,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:33:12,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:33:12,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:33:12,757 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:33:12,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:33:12,758 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:33:12,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:33:12,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:33:12,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:33:12,759 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:33:12,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:33:12,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:33:12,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:33:12,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:33:12,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:33:12,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:33:12,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:33:12,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:33:12,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 11:33:12,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:33:12,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:33:12,828 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:33:12,829 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:33:12,832 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:33:12,833 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-06 11:33:12,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bbc5d526/1354bb9cc48247318186a3a7f51a2661/FLAGf3f7b3369 [2019-09-06 11:33:13,392 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:33:13,394 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-06 11:33:13,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bbc5d526/1354bb9cc48247318186a3a7f51a2661/FLAGf3f7b3369 [2019-09-06 11:33:13,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bbc5d526/1354bb9cc48247318186a3a7f51a2661 [2019-09-06 11:33:13,763 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:33:13,764 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:33:13,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:33:13,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:33:13,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:33:13,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:33:13" (1/1) ... [2019-09-06 11:33:13,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc6461a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:13, skipping insertion in model container [2019-09-06 11:33:13,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:33:13" (1/1) ... [2019-09-06 11:33:13,781 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:33:13,827 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:33:14,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:33:14,145 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:33:14,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:33:14,229 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:33:14,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:14 WrapperNode [2019-09-06 11:33:14,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:33:14,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:33:14,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:33:14,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:33:14,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:14" (1/1) ... [2019-09-06 11:33:14,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:14" (1/1) ... [2019-09-06 11:33:14,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:14" (1/1) ... [2019-09-06 11:33:14,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:14" (1/1) ... [2019-09-06 11:33:14,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:14" (1/1) ... [2019-09-06 11:33:14,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:14" (1/1) ... [2019-09-06 11:33:14,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:14" (1/1) ... [2019-09-06 11:33:14,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:33:14,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:33:14,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:33:14,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:33:14,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:14" (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 [2019-09-06 11:33:14,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:33:14,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:33:14,353 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-06 11:33:14,353 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-06 11:33:14,353 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-06 11:33:14,354 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-06 11:33:14,354 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-06 11:33:14,354 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-06 11:33:14,354 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-06 11:33:14,354 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-06 11:33:14,354 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-06 11:33:14,355 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-06 11:33:14,355 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-06 11:33:14,355 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-06 11:33:14,355 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-06 11:33:14,355 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-06 11:33:14,355 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-06 11:33:14,356 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-06 11:33:14,356 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-06 11:33:14,356 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-06 11:33:14,358 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-06 11:33:14,358 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-06 11:33:14,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:33:14,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:33:14,359 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-06 11:33:14,360 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-06 11:33:14,361 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-06 11:33:14,361 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-06 11:33:14,361 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-06 11:33:14,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 11:33:14,361 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-06 11:33:14,361 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-06 11:33:14,362 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-06 11:33:14,362 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-06 11:33:14,362 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-06 11:33:14,362 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-06 11:33:14,362 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-06 11:33:14,362 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-06 11:33:14,362 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-06 11:33:14,363 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-06 11:33:14,363 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-06 11:33:14,363 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-06 11:33:14,363 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-06 11:33:14,363 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-06 11:33:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-06 11:33:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:33:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:33:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:33:14,978 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:33:14,979 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-06 11:33:14,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:33:14 BoogieIcfgContainer [2019-09-06 11:33:14,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:33:14,984 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:33:14,984 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:33:14,985 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:33:14,986 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:33:14" (1/1) ... [2019-09-06 11:33:14,987 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 11:33:15,033 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:33:15,034 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:33:15,059 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:33:15,078 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:33:15,080 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:33:15,199 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 88 for LOIs [2019-09-06 11:33:15,281 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 83 for LOIs [2019-09-06 11:33:20,944 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 90 for LOIs [2019-09-06 11:33:21,657 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 68 for LOIs [2019-09-06 11:33:21,659 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 60 for LOIs [2019-09-06 11:33:21,660 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:33:21,660 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:33:21,667 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2135#(and (<= 0 ~t1_st~0) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (<= 2 ~T2_E~0) (<= ~t1_i~0 1) (<= ~m_i~0 1) (<= 2 ~E_M~0) (<= ~E_1~0 2) (<= 2 ~E_2~0) (<= 0 ~t2_pc~0) (<= 0 ~t1_pc~0) (<= 2 ~E_1~0) (<= ~t2_i~0 1) (<= ~E_2~0 2) (<= ~T1_E~0 2) (<= ~M_E~0 2) (<= ~local~0 2147483647) (<= 1 ~t2_i~0) (<= ~E_M~0 2) (<= 1 ~m_i~0) (<= 0 (+ ~token~0 2147483648)) (<= ~t1_st~0 2) (<= 2 ~T1_E~0) (<= 0 (+ ~local~0 2147483648)) (<= 2 ~M_E~0) (<= ~T2_E~0 2) (<= 1 ~m_st~0) (<= 0 ~t2_st~0) (<= ~m_pc~0 1) (<= 1 ~t1_i~0)) [2019-09-06 11:33:21,682 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:33:21,682 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:33:21,686 INFO L168 Benchmark]: Toolchain (without parser) took 7919.83 ms. Allocated memory was 141.6 MB in the beginning and 383.8 MB in the end (delta: 242.2 MB). Free memory was 87.9 MB in the beginning and 162.8 MB in the end (delta: -74.9 MB). Peak memory consumption was 167.3 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:21,688 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 11:33:21,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.65 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 87.7 MB in the beginning and 175.6 MB in the end (delta: -87.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:21,691 INFO L168 Benchmark]: Boogie Preprocessor took 65.12 ms. Allocated memory is still 200.8 MB. Free memory was 175.6 MB in the beginning and 173.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:21,692 INFO L168 Benchmark]: RCFGBuilder took 687.68 ms. Allocated memory is still 200.8 MB. Free memory was 173.2 MB in the beginning and 137.6 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:21,697 INFO L168 Benchmark]: Sifa took 6698.27 ms. Allocated memory was 200.8 MB in the beginning and 383.8 MB in the end (delta: 183.0 MB). Free memory was 137.1 MB in the beginning and 162.8 MB in the end (delta: -25.8 MB). Peak memory consumption was 157.2 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:21,709 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 464.65 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 87.7 MB in the beginning and 175.6 MB in the end (delta: -87.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.12 ms. Allocated memory is still 200.8 MB. Free memory was 175.6 MB in the beginning and 173.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 687.68 ms. Allocated memory is still 200.8 MB. Free memory was 173.2 MB in the beginning and 137.6 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. * Sifa took 6698.27 ms. Allocated memory was 200.8 MB in the beginning and 383.8 MB in the end (delta: 183.0 MB). Free memory was 137.1 MB in the beginning and 162.8 MB in the end (delta: -25.8 MB). Peak memory consumption was 157.2 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]: 6634, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1409, DAG_INTERPRETER_EARLY_EXITS: 16, TOOLS_POST_APPLICATIONS: 1105, TOOLS_POST_TIME[ms]: 683, TOOLS_POST_CALL_APPLICATIONS: 190, TOOLS_POST_CALL_TIME[ms]: 836, TOOLS_POST_RETURN_APPLICATIONS: 185, TOOLS_POST_RETURN_TIME[ms]: 868, TOOLS_QUANTIFIERELIM_TIME[ms]: 1895, FLUID_QUERY_TIME[ms]: 46, FLUID_QUERIES: 1436, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 544, DOMAIN_JOIN_TIME[ms]: 1255, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 12, DOMAIN_ISSUBSETEQ_APPLICATIONS: 697, DOMAIN_ISSUBSETEQ_TIME[ms]: 1505, DOMAIN_ISBOTTOM_APPLICATIONS: 410, DOMAIN_ISBOTTOM_TIME[ms]: 1080, LOOP_SUMMARIZER_APPLICATIONS: 21, LOOP_SUMMARIZER_CACHE_MISSES: 21, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5322, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5322, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 27, CALL_SUMMARIZER_APPLICATIONS: 185, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 5388, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 50, DAG_COMPRESSION_PROCESSED_NODES: 660, DAG_COMPRESSION_RETAINED_NODES: 382 - 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 2135#(and (<= 0 ~t1_st~0) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (<= 2 ~T2_E~0) (<= ~t1_i~0 1) (<= ~m_i~0 1) (<= 2 ~E_M~0) (<= ~E_1~0 2) (<= 2 ~E_2~0) (<= 0 ~t2_pc~0) (<= 0 ~t1_pc~0) (<= 2 ~E_1~0) (<= ~t2_i~0 1) (<= ~E_2~0 2) (<= ~T1_E~0 2) (<= ~M_E~0 2) (<= ~local~0 2147483647) (<= 1 ~t2_i~0) (<= ~E_M~0 2) (<= 1 ~m_i~0) (<= 0 (+ ~token~0 2147483648)) (<= ~t1_st~0 2) (<= 2 ~T1_E~0) (<= 0 (+ ~local~0 2147483648)) (<= 2 ~M_E~0) (<= ~T2_E~0 2) (<= 1 ~m_st~0) (<= 0 ~t2_st~0) (<= ~m_pc~0 1) (<= 1 ~t1_i~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...