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-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:33:16,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:33:16,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:33:16,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:33:16,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:33:16,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:33:16,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:33:16,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:33:16,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:33:16,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:33:16,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:33:16,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:33:16,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:33:16,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:33:16,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:33:16,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:33:16,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:33:16,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:33:16,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:33:16,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:33:16,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:33:16,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:33:16,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:33:16,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:33:16,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 11:33:16,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 11:33:16,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 11:33:16,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 11:33:16,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 11:33:16,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 11:33:16,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:33:16,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:33:16,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:33:16,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:33:16,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:33:16,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:33:16,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:33:16,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:33:16,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:33:16,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:33:16,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:33:16,968 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 11:33:16,983 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:33:16,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:33:16,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:33:16,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:33:16,984 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:33:16,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:33:16,985 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:33:16,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:33:16,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:33:16,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:33:16,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:33:16,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:33:16,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:33:16,986 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:33:16,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:33:16,987 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:33:16,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:33:16,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:33:16,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:33:16,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:33:16,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:33:16,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:33:16,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:33:16,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:33:16,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:33:16,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:33:16,989 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:33:16,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:33:16,989 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 11:33:17,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:33:17,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:33:17,034 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:33:17,036 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:33:17,036 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:33:17,037 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-06 11:33:17,105 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43d15ccb6/9ba95c7abb3d450db7f100b297f26655/FLAG0631cb261 [2019-09-06 11:33:17,604 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:33:17,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-06 11:33:17,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43d15ccb6/9ba95c7abb3d450db7f100b297f26655/FLAG0631cb261 [2019-09-06 11:33:17,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43d15ccb6/9ba95c7abb3d450db7f100b297f26655 [2019-09-06 11:33:17,950 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:33:17,951 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:33:17,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:33:17,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:33:17,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:33:17,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:33:17" (1/1) ... [2019-09-06 11:33:17,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f22801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:17, skipping insertion in model container [2019-09-06 11:33:17,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:33:17" (1/1) ... [2019-09-06 11:33:17,969 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:33:18,023 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:33:18,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:33:18,285 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:33:18,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:33:18,448 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:33:18,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:18 WrapperNode [2019-09-06 11:33:18,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:33:18,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:33:18,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:33:18,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:33:18,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:18" (1/1) ... [2019-09-06 11:33:18,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:18" (1/1) ... [2019-09-06 11:33:18,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:18" (1/1) ... [2019-09-06 11:33:18,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:18" (1/1) ... [2019-09-06 11:33:18,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:18" (1/1) ... [2019-09-06 11:33:18,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:18" (1/1) ... [2019-09-06 11:33:18,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:18" (1/1) ... [2019-09-06 11:33:18,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:33:18,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:33:18,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:33:18,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:33:18,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:18" (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 11:33:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:33:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:33:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-06 11:33:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-06 11:33:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-06 11:33:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-06 11:33:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-06 11:33:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-06 11:33:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-06 11:33:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-06 11:33:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-06 11:33:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-06 11:33:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-06 11:33:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-06 11:33:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-06 11:33:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-06 11:33:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-06 11:33:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-06 11:33:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-06 11:33:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-06 11:33:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-06 11:33:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-06 11:33:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:33:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:33:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-06 11:33:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-06 11:33:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-06 11:33:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-06 11:33:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-06 11:33:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 11:33:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-06 11:33:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-06 11:33:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-06 11:33:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-06 11:33:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-06 11:33:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-06 11:33:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-06 11:33:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-06 11:33:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-06 11:33:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-06 11:33:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-06 11:33:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-06 11:33:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-06 11:33:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-06 11:33:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-06 11:33:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:33:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:33:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:33:19,225 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:33:19,226 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-06 11:33:19,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:33:19 BoogieIcfgContainer [2019-09-06 11:33:19,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:33:19,228 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:33:19,228 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:33:19,228 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:33:19,230 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:33:19" (1/1) ... [2019-09-06 11:33:19,230 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 11:33:19,254 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:33:19,254 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:33:19,265 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:33:19,275 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:33:19,277 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:33:19,377 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 88 for LOIs [2019-09-06 11:33:19,447 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 83 for LOIs [2019-09-06 11:33:22,041 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 67 for LOIs [2019-09-06 11:33:22,232 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 59 for LOIs [2019-09-06 11:33:22,242 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 45 for LOIs [2019-09-06 11:33:22,243 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:33:22,244 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:33:22,246 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1354#(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) (<= 1 ~t2_i~0) (<= ~E_M~0 2) (<= 1 ~m_i~0) (<= 2 ~T1_E~0) (<= 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 11:33:22,258 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:33:22,258 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:33:22,261 INFO L168 Benchmark]: Toolchain (without parser) took 4308.90 ms. Allocated memory was 131.6 MB in the beginning and 334.5 MB in the end (delta: 202.9 MB). Free memory was 86.4 MB in the beginning and 150.9 MB in the end (delta: -64.5 MB). Peak memory consumption was 138.4 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:22,262 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.6 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. [2019-09-06 11:33:22,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.68 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 86.2 MB in the beginning and 172.9 MB in the end (delta: -86.7 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:22,264 INFO L168 Benchmark]: Boogie Preprocessor took 49.38 ms. Allocated memory is still 199.2 MB. Free memory was 172.9 MB in the beginning and 171.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:22,265 INFO L168 Benchmark]: RCFGBuilder took 728.10 ms. Allocated memory is still 199.2 MB. Free memory was 171.0 MB in the beginning and 133.1 MB in the end (delta: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:22,266 INFO L168 Benchmark]: Sifa took 3030.62 ms. Allocated memory was 199.2 MB in the beginning and 334.5 MB in the end (delta: 135.3 MB). Free memory was 133.1 MB in the beginning and 150.9 MB in the end (delta: -17.8 MB). Peak memory consumption was 117.5 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:22,271 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.6 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 496.68 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 86.2 MB in the beginning and 172.9 MB in the end (delta: -86.7 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.38 ms. Allocated memory is still 199.2 MB. Free memory was 172.9 MB in the beginning and 171.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 728.10 ms. Allocated memory is still 199.2 MB. Free memory was 171.0 MB in the beginning and 133.1 MB in the end (delta: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. * Sifa took 3030.62 ms. Allocated memory was 199.2 MB in the beginning and 334.5 MB in the end (delta: 135.3 MB). Free memory was 133.1 MB in the beginning and 150.9 MB in the end (delta: -17.8 MB). Peak memory consumption was 117.5 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]: 2992, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 934, DAG_INTERPRETER_EARLY_EXITS: 12, TOOLS_POST_APPLICATIONS: 726, TOOLS_POST_TIME[ms]: 307, TOOLS_POST_CALL_APPLICATIONS: 122, TOOLS_POST_CALL_TIME[ms]: 393, TOOLS_POST_RETURN_APPLICATIONS: 116, TOOLS_POST_RETURN_TIME[ms]: 349, TOOLS_QUANTIFIERELIM_TIME[ms]: 777, FLUID_QUERY_TIME[ms]: 28, FLUID_QUERIES: 942, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 334, DOMAIN_JOIN_TIME[ms]: 603, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 10, DOMAIN_ISSUBSETEQ_APPLICATIONS: 321, DOMAIN_ISSUBSETEQ_TIME[ms]: 573, DOMAIN_ISBOTTOM_APPLICATIONS: 271, DOMAIN_ISBOTTOM_TIME[ms]: 511, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2454, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2453, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 116, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 2429, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 673, DAG_COMPRESSION_RETAINED_NODES: 376 - 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 1354#(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) (<= 1 ~t2_i~0) (<= ~E_M~0 2) (<= 1 ~m_i~0) (<= 2 ~T1_E~0) (<= 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...