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.06.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:33:40,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:33:40,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:33:40,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:33:40,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:33:40,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:33:40,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:33:40,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:33:40,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:33:40,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:33:40,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:33:40,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:33:40,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:33:40,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:33:40,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:33:40,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:33:40,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:33:40,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:33:40,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:33:40,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:33:40,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:33:40,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:33:40,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:33:40,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:33:40,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 11:33:40,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 11:33:40,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 11:33:40,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 11:33:40,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 11:33:40,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 11:33:40,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:33:40,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:33:40,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:33:40,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:33:40,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:33:40,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:33:40,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:33:40,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:33:40,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:33:40,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:33:40,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:33:40,677 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 11:33:40,691 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:33:40,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:33:40,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:33:40,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:33:40,693 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:33:40,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:33:40,694 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:33:40,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:33:40,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:33:40,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:33:40,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:33:40,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:33:40,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:33:40,695 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:33:40,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:33:40,696 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:33:40,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:33:40,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:33:40,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:33:40,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:33:40,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:33:40,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:33:40,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:33:40,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:33:40,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:33:40,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:33:40,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:33:40,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:33:40,698 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 11:33:40,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:33:40,746 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:33:40,754 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:33:40,756 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:33:40,756 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:33:40,757 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.06.cil-2.c [2019-09-06 11:33:40,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/417834f72/dca92dc5d1e04e95b845e0411a3173e7/FLAG37d17a9de [2019-09-06 11:33:41,375 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:33:41,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.06.cil-2.c [2019-09-06 11:33:41,390 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/417834f72/dca92dc5d1e04e95b845e0411a3173e7/FLAG37d17a9de [2019-09-06 11:33:41,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/417834f72/dca92dc5d1e04e95b845e0411a3173e7 [2019-09-06 11:33:41,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:33:41,769 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:33:41,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:33:41,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:33:41,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:33:41,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:33:41" (1/1) ... [2019-09-06 11:33:41,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c1767cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:41, skipping insertion in model container [2019-09-06 11:33:41,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:33:41" (1/1) ... [2019-09-06 11:33:41,787 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:33:41,846 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:33:42,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:33:42,231 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:33:42,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:33:42,319 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:33:42,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:42 WrapperNode [2019-09-06 11:33:42,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:33:42,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:33:42,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:33:42,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:33:42,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:42" (1/1) ... [2019-09-06 11:33:42,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:42" (1/1) ... [2019-09-06 11:33:42,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:42" (1/1) ... [2019-09-06 11:33:42,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:42" (1/1) ... [2019-09-06 11:33:42,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:42" (1/1) ... [2019-09-06 11:33:42,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:42" (1/1) ... [2019-09-06 11:33:42,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:42" (1/1) ... [2019-09-06 11:33:42,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:33:42,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:33:42,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:33:42,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:33:42,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:42" (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 11:33:42,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:33:42,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:33:42,462 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-06 11:33:42,462 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-06 11:33:42,462 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-06 11:33:42,462 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-06 11:33:42,462 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2019-09-06 11:33:42,462 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2019-09-06 11:33:42,463 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2019-09-06 11:33:42,463 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2019-09-06 11:33:42,463 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-06 11:33:42,463 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-06 11:33:42,463 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-06 11:33:42,464 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2019-09-06 11:33:42,464 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2019-09-06 11:33:42,464 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2019-09-06 11:33:42,464 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2019-09-06 11:33:42,464 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-06 11:33:42,464 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-06 11:33:42,465 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-06 11:33:42,465 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-06 11:33:42,465 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-06 11:33:42,465 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-06 11:33:42,465 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-06 11:33:42,465 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-06 11:33:42,466 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-06 11:33:42,466 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-06 11:33:42,466 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-06 11:33:42,466 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-06 11:33:42,466 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-06 11:33:42,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:33:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:33:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-06 11:33:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-06 11:33:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-06 11:33:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-06 11:33:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2019-09-06 11:33:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2019-09-06 11:33:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2019-09-06 11:33:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2019-09-06 11:33:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-06 11:33:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 11:33:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-06 11:33:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-06 11:33:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-06 11:33:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2019-09-06 11:33:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2019-09-06 11:33:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2019-09-06 11:33:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2019-09-06 11:33:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-06 11:33:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-06 11:33:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-06 11:33:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-06 11:33:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-06 11:33:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-06 11:33:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-06 11:33:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-06 11:33:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-06 11:33:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-06 11:33:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-06 11:33:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-06 11:33:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:33:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:33:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:33:43,350 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:33:43,350 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-09-06 11:33:43,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:33:43 BoogieIcfgContainer [2019-09-06 11:33:43,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:33:43,356 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:33:43,356 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:33:43,356 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:33:43,358 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:33:43" (1/1) ... [2019-09-06 11:33:43,359 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 11:33:43,401 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:33:43,402 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:33:43,427 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:33:43,441 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:33:43,443 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:33:43,573 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 188 for LOIs [2019-09-06 11:33:43,694 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 175 for LOIs [2019-09-06 11:33:57,077 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 152 for LOIs [2019-09-06 11:33:57,660 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 127 for LOIs [2019-09-06 11:33:57,662 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 112 for LOIs [2019-09-06 11:33:57,662 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:33:57,663 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:33:57,665 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3965#(and (<= 0 ~t1_st~0) (<= 2 ~T4_E~0) (<= 2 ~E_3~0) (<= ~T5_E~0 2) (<= 2 ~T6_E~0) (<= 2 ~T2_E~0) (<= ~t1_i~0 1) (<= ~t3_i~0 1) (<= ~m_i~0 1) (<= ~t4_i~0 1) (<= ~E_1~0 2) (<= 2 ~E_2~0) (<= 0 ~t1_pc~0) (<= 0 ~t6_pc~0) (<= ~T6_E~0 2) (<= 0 ~t4_st~0) (<= ~E_2~0 2) (<= 2 ~E_4~0) (<= ~E_3~0 2) (<= 1 ~t2_i~0) (<= 1 ~t6_i~0) (<= ~t5_i~0 1) (<= 2 ~E_5~0) (<= 1 ~m_i~0) (<= 1 ~t4_i~0) (<= ~T4_E~0 2) (<= 2 ~M_E~0) (<= 2 ~T3_E~0) (<= 1 ~m_st~0) (<= ~m_pc~0 1) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (<= ~t6_i~0 1) (<= 0 ~t5_st~0) (<= ~E_5~0 2) (<= ~E_4~0 2) (<= 2 ~E_6~0) (<= 2 ~E_M~0) (<= ~E_6~0 2) (<= 0 ~t2_pc~0) (<= 2 ~E_1~0) (<= 0 ~t3_pc~0) (<= ~T1_E~0 2) (<= ~t2_i~0 1) (<= 2 ~T5_E~0) (<= ~T3_E~0 2) (<= ~M_E~0 2) (<= ~local~0 2147483647) (<= 0 ~t3_st~0) (<= ~E_M~0 2) (<= 0 ~t5_pc~0) (<= 0 ~t4_pc~0) (<= 0 ~t6_st~0) (<= 0 (+ ~token~0 2147483648)) (<= 1 ~t5_i~0) (<= 1 ~t3_i~0) (<= 2 ~T1_E~0) (<= 0 (+ ~local~0 2147483648)) (<= ~T2_E~0 2) (<= 0 ~t2_st~0) (<= 1 ~t1_i~0)) [2019-09-06 11:33:57,681 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:33:57,681 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:33:57,683 INFO L168 Benchmark]: Toolchain (without parser) took 15913.48 ms. Allocated memory was 137.9 MB in the beginning and 603.5 MB in the end (delta: 465.6 MB). Free memory was 84.4 MB in the beginning and 161.5 MB in the end (delta: -77.1 MB). Peak memory consumption was 388.4 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:57,684 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 11:33:57,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 549.77 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 84.2 MB in the beginning and 170.2 MB in the end (delta: -86.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:57,686 INFO L168 Benchmark]: Boogie Preprocessor took 82.25 ms. Allocated memory is still 198.2 MB. Free memory was 170.2 MB in the beginning and 166.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:57,687 INFO L168 Benchmark]: RCFGBuilder took 952.38 ms. Allocated memory is still 198.2 MB. Free memory was 166.7 MB in the beginning and 106.5 MB in the end (delta: 60.1 MB). Peak memory consumption was 60.1 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:57,688 INFO L168 Benchmark]: Sifa took 14325.16 ms. Allocated memory was 198.2 MB in the beginning and 603.5 MB in the end (delta: 405.3 MB). Free memory was 105.9 MB in the beginning and 161.5 MB in the end (delta: -55.6 MB). Peak memory consumption was 349.7 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:57,691 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 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 549.77 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 84.2 MB in the beginning and 170.2 MB in the end (delta: -86.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.25 ms. Allocated memory is still 198.2 MB. Free memory was 170.2 MB in the beginning and 166.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 952.38 ms. Allocated memory is still 198.2 MB. Free memory was 166.7 MB in the beginning and 106.5 MB in the end (delta: 60.1 MB). Peak memory consumption was 60.1 MB. Max. memory is 7.1 GB. * Sifa took 14325.16 ms. Allocated memory was 198.2 MB in the beginning and 603.5 MB in the end (delta: 405.3 MB). Free memory was 105.9 MB in the beginning and 161.5 MB in the end (delta: -55.6 MB). Peak memory consumption was 349.7 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]: 14264, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 2744, DAG_INTERPRETER_EARLY_EXITS: 34, TOOLS_POST_APPLICATIONS: 2263, TOOLS_POST_TIME[ms]: 1313, TOOLS_POST_CALL_APPLICATIONS: 302, TOOLS_POST_CALL_TIME[ms]: 1210, TOOLS_POST_RETURN_APPLICATIONS: 297, TOOLS_POST_RETURN_TIME[ms]: 1348, TOOLS_QUANTIFIERELIM_TIME[ms]: 2998, FLUID_QUERY_TIME[ms]: 89, FLUID_QUERIES: 2755, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 1002, DOMAIN_JOIN_TIME[ms]: 1973, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 11, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1768, DOMAIN_ISSUBSETEQ_TIME[ms]: 5602, DOMAIN_ISBOTTOM_APPLICATIONS: 822, DOMAIN_ISBOTTOM_TIME[ms]: 2272, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11941, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11941, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 297, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12451, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 10, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 65, DAG_COMPRESSION_PROCESSED_NODES: 1311, DAG_COMPRESSION_RETAINED_NODES: 693 - 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 3965#(and (<= 0 ~t1_st~0) (<= 2 ~T4_E~0) (<= 2 ~E_3~0) (<= ~T5_E~0 2) (<= 2 ~T6_E~0) (<= 2 ~T2_E~0) (<= ~t1_i~0 1) (<= ~t3_i~0 1) (<= ~m_i~0 1) (<= ~t4_i~0 1) (<= ~E_1~0 2) (<= 2 ~E_2~0) (<= 0 ~t1_pc~0) (<= 0 ~t6_pc~0) (<= ~T6_E~0 2) (<= 0 ~t4_st~0) (<= ~E_2~0 2) (<= 2 ~E_4~0) (<= ~E_3~0 2) (<= 1 ~t2_i~0) (<= 1 ~t6_i~0) (<= ~t5_i~0 1) (<= 2 ~E_5~0) (<= 1 ~m_i~0) (<= 1 ~t4_i~0) (<= ~T4_E~0 2) (<= 2 ~M_E~0) (<= 2 ~T3_E~0) (<= 1 ~m_st~0) (<= ~m_pc~0 1) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (<= ~t6_i~0 1) (<= 0 ~t5_st~0) (<= ~E_5~0 2) (<= ~E_4~0 2) (<= 2 ~E_6~0) (<= 2 ~E_M~0) (<= ~E_6~0 2) (<= 0 ~t2_pc~0) (<= 2 ~E_1~0) (<= 0 ~t3_pc~0) (<= ~T1_E~0 2) (<= ~t2_i~0 1) (<= 2 ~T5_E~0) (<= ~T3_E~0 2) (<= ~M_E~0 2) (<= ~local~0 2147483647) (<= 0 ~t3_st~0) (<= ~E_M~0 2) (<= 0 ~t5_pc~0) (<= 0 ~t4_pc~0) (<= 0 ~t6_st~0) (<= 0 (+ ~token~0 2147483648)) (<= 1 ~t5_i~0) (<= 1 ~t3_i~0) (<= 2 ~T1_E~0) (<= 0 (+ ~local~0 2147483648)) (<= ~T2_E~0 2) (<= 0 ~t2_st~0) (<= 1 ~t1_i~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...