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.04.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:33:24,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:33:24,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:33:24,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:33:24,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:33:24,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:33:24,722 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:33:24,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:33:24,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:33:24,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:33:24,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:33:24,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:33:24,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:33:24,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:33:24,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:33:24,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:33:24,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:33:24,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:33:24,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:33:24,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:33:24,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:33:24,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:33:24,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:33:24,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:33:24,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 11:33:24,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:33:24,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:33:24,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:33:24,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:33:24,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:33:24,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:33:24,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:33:24,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:33:24,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:33:24,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:33:24,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:33:24,755 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 11:33:24,770 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:33:24,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:33:24,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:33:24,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:33:24,772 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:33:24,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:33:24,773 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:33:24,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:33:24,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:33:24,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:33:24,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:33:24,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:33:24,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:33:24,774 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:33:24,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:33:24,775 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:33:24,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:33:24,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:33:24,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:33:24,775 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:33:24,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:33:24,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:33:24,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:33:24,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:33:24,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:33:24,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:33:24,777 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:33:24,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:33:24,777 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 11:33:24,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:33:24,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:33:24,824 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:33:24,826 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:33:24,826 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:33:24,827 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.04.cil-2.c [2019-09-06 11:33:24,902 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d83fc7154/b0d9cb48039343869dc52c327db4c05e/FLAG36802b54f [2019-09-06 11:33:25,413 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:33:25,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.04.cil-2.c [2019-09-06 11:33:25,438 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d83fc7154/b0d9cb48039343869dc52c327db4c05e/FLAG36802b54f [2019-09-06 11:33:25,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d83fc7154/b0d9cb48039343869dc52c327db4c05e [2019-09-06 11:33:25,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:33:25,764 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:33:25,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:33:25,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:33:25,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:33:25,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:33:25" (1/1) ... [2019-09-06 11:33:25,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dfd9e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:25, skipping insertion in model container [2019-09-06 11:33:25,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:33:25" (1/1) ... [2019-09-06 11:33:25,779 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:33:25,816 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:33:26,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:33:26,072 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:33:26,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:33:26,258 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:33:26,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:26 WrapperNode [2019-09-06 11:33:26,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:33:26,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:33:26,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:33:26,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:33:26,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:26" (1/1) ... [2019-09-06 11:33:26,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:26" (1/1) ... [2019-09-06 11:33:26,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:26" (1/1) ... [2019-09-06 11:33:26,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:26" (1/1) ... [2019-09-06 11:33:26,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:26" (1/1) ... [2019-09-06 11:33:26,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:26" (1/1) ... [2019-09-06 11:33:26,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:26" (1/1) ... [2019-09-06 11:33:26,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:33:26,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:33:26,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:33:26,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:33:26,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:26" (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 11:33:26,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:33:26,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:33:26,370 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-06 11:33:26,370 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-06 11:33:26,370 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-06 11:33:26,370 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-06 11:33:26,371 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2019-09-06 11:33:26,371 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2019-09-06 11:33:26,371 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-06 11:33:26,371 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-06 11:33:26,371 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-06 11:33:26,371 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2019-09-06 11:33:26,372 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2019-09-06 11:33:26,372 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-06 11:33:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-06 11:33:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-06 11:33:26,374 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-06 11:33:26,374 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-06 11:33:26,374 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-06 11:33:26,374 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-06 11:33:26,374 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-06 11:33:26,375 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-06 11:33:26,375 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-06 11:33:26,375 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-06 11:33:26,375 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-06 11:33:26,375 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-06 11:33:26,376 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:33:26,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:33:26,376 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-06 11:33:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-06 11:33:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-06 11:33:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-06 11:33:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2019-09-06 11:33:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2019-09-06 11:33:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-06 11:33:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 11:33:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-06 11:33:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-06 11:33:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-06 11:33:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2019-09-06 11:33:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2019-09-06 11:33:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-06 11:33:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-06 11:33:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-06 11:33:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-06 11:33:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-06 11:33:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-06 11:33:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-06 11:33:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-06 11:33:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-06 11:33:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-06 11:33:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-06 11:33:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-06 11:33:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:33:26,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:33:26,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:33:27,181 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:33:27,181 INFO L283 CfgBuilder]: Removed 7 assume(true) statements. [2019-09-06 11:33:27,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:33:27 BoogieIcfgContainer [2019-09-06 11:33:27,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:33:27,184 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:33:27,184 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:33:27,184 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:33:27,186 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:33:27" (1/1) ... [2019-09-06 11:33:27,186 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 11:33:27,226 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:33:27,226 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:33:27,256 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:33:27,273 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:33:27,275 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:33:27,407 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 138 for LOIs [2019-09-06 11:33:27,476 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 129 for LOIs [2019-09-06 11:33:49,467 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 104 for LOIs [2019-09-06 11:33:51,431 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 94 for LOIs [2019-09-06 11:33:51,447 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 69 for LOIs [2019-09-06 11:33:51,448 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:33:51,448 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:33:51,450 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 7392#(and (<= 0 ~t1_st~0) (<= 2 ~T4_E~0) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (<= 2 ~E_3~0) (<= 2 ~T2_E~0) (<= ~t1_i~0 1) (<= ~t3_i~0 1) (<= ~m_i~0 1) (<= ~E_4~0 2) (<= 2 ~E_M~0) (<= ~t4_i~0 1) (<= ~E_1~0 2) (<= 2 ~E_2~0) (<= 0 ~t2_pc~0) (<= 0 ~t1_pc~0) (<= 2 ~E_1~0) (<= 0 ~t3_pc~0) (<= 0 ~t4_st~0) (<= ~t2_i~0 1) (<= ~E_2~0 2) (<= ~T1_E~0 2) (<= ~T3_E~0 2) (<= 2 ~E_4~0) (<= ~M_E~0 2) (<= 0 ~t3_st~0) (<= 1 ~t2_i~0) (<= ~E_M~0 2) (<= ~E_3~0 2) (<= 1 ~m_i~0) (<= 0 ~t4_pc~0) (<= 1 ~t3_i~0) (<= 2 ~T1_E~0) (<= 1 ~t4_i~0) (<= ~T4_E~0 2) (<= 2 ~M_E~0) (<= 2 ~T3_E~0) (<= ~T2_E~0 2) (<= 1 ~m_st~0) (<= ~m_pc~0 1) (<= 1 ~t1_i~0)) [2019-09-06 11:33:51,478 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:33:51,478 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:33:51,481 INFO L168 Benchmark]: Toolchain (without parser) took 25716.48 ms. Allocated memory was 132.1 MB in the beginning and 815.3 MB in the end (delta: 683.1 MB). Free memory was 85.0 MB in the beginning and 651.0 MB in the end (delta: -566.0 MB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:51,485 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 132.1 MB. Free memory was 103.7 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 11:33:51,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.68 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 84.8 MB in the beginning and 172.5 MB in the end (delta: -87.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:51,488 INFO L168 Benchmark]: Boogie Preprocessor took 58.41 ms. Allocated memory is still 198.7 MB. Free memory was 172.5 MB in the beginning and 169.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:51,489 INFO L168 Benchmark]: RCFGBuilder took 865.45 ms. Allocated memory is still 198.7 MB. Free memory was 169.9 MB in the beginning and 119.0 MB in the end (delta: 50.9 MB). Peak memory consumption was 50.9 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:51,490 INFO L168 Benchmark]: Sifa took 24294.77 ms. Allocated memory was 198.7 MB in the beginning and 815.3 MB in the end (delta: 616.6 MB). Free memory was 119.0 MB in the beginning and 651.0 MB in the end (delta: -532.0 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:51,493 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 132.1 MB. Free memory was 103.7 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 493.68 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 84.8 MB in the beginning and 172.5 MB in the end (delta: -87.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.41 ms. Allocated memory is still 198.7 MB. Free memory was 172.5 MB in the beginning and 169.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 865.45 ms. Allocated memory is still 198.7 MB. Free memory was 169.9 MB in the beginning and 119.0 MB in the end (delta: 50.9 MB). Peak memory consumption was 50.9 MB. Max. memory is 7.1 GB. * Sifa took 24294.77 ms. Allocated memory was 198.7 MB in the beginning and 815.3 MB in the end (delta: 616.6 MB). Free memory was 119.0 MB in the beginning and 651.0 MB in the end (delta: -532.0 MB). Peak memory consumption was 84.6 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]: 24225, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 4840, DAG_INTERPRETER_EARLY_EXITS: 41, TOOLS_POST_APPLICATIONS: 3934, TOOLS_POST_TIME[ms]: 1951, TOOLS_POST_CALL_APPLICATIONS: 590, TOOLS_POST_CALL_TIME[ms]: 1612, TOOLS_POST_RETURN_APPLICATIONS: 584, TOOLS_POST_RETURN_TIME[ms]: 2984, TOOLS_QUANTIFIERELIM_TIME[ms]: 5175, FLUID_QUERY_TIME[ms]: 107, FLUID_QUERIES: 4900, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 1929, DOMAIN_JOIN_TIME[ms]: 3112, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 30, DOMAIN_WIDEN_TIME[ms]: 35, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4722, DOMAIN_ISSUBSETEQ_TIME[ms]: 9993, DOMAIN_ISBOTTOM_APPLICATIONS: 1605, DOMAIN_ISBOTTOM_TIME[ms]: 3766, LOOP_SUMMARIZER_APPLICATIONS: 30, LOOP_SUMMARIZER_CACHE_MISSES: 30, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 23263, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 23262, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 60, CALL_SUMMARIZER_APPLICATIONS: 584, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 22283, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 11, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 58, DAG_COMPRESSION_PROCESSED_NODES: 1098, DAG_COMPRESSION_RETAINED_NODES: 600 - 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 7392#(and (<= 0 ~t1_st~0) (<= 2 ~T4_E~0) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (<= 2 ~E_3~0) (<= 2 ~T2_E~0) (<= ~t1_i~0 1) (<= ~t3_i~0 1) (<= ~m_i~0 1) (<= ~E_4~0 2) (<= 2 ~E_M~0) (<= ~t4_i~0 1) (<= ~E_1~0 2) (<= 2 ~E_2~0) (<= 0 ~t2_pc~0) (<= 0 ~t1_pc~0) (<= 2 ~E_1~0) (<= 0 ~t3_pc~0) (<= 0 ~t4_st~0) (<= ~t2_i~0 1) (<= ~E_2~0 2) (<= ~T1_E~0 2) (<= ~T3_E~0 2) (<= 2 ~E_4~0) (<= ~M_E~0 2) (<= 0 ~t3_st~0) (<= 1 ~t2_i~0) (<= ~E_M~0 2) (<= ~E_3~0 2) (<= 1 ~m_i~0) (<= 0 ~t4_pc~0) (<= 1 ~t3_i~0) (<= 2 ~T1_E~0) (<= 1 ~t4_i~0) (<= ~T4_E~0 2) (<= 2 ~M_E~0) (<= 2 ~T3_E~0) (<= ~T2_E~0 2) (<= 1 ~m_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...