/usr/bin/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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/token_ring.03.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 11:07:25,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 11:07:25,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 11:07:25,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 11:07:25,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 11:07:25,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 11:07:25,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 11:07:25,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 11:07:25,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 11:07:25,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 11:07:25,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 11:07:25,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 11:07:25,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 11:07:25,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 11:07:25,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 11:07:25,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 11:07:25,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 11:07:25,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 11:07:25,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 11:07:25,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 11:07:25,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 11:07:25,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 11:07:25,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 11:07:25,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 11:07:25,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 11:07:25,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 11:07:25,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 11:07:25,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 11:07:25,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 11:07:25,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 11:07:25,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 11:07:25,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 11:07:25,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 11:07:25,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 11:07:25,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 11:07:25,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 11:07:25,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 11:07:25,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 11:07:25,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 11:07:25,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 11:07:25,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 11:07:25,794 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 [2019-11-07 11:07:25,814 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 11:07:25,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 11:07:25,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 11:07:25,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 11:07:25,817 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 11:07:25,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 11:07:25,817 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 11:07:25,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 11:07:25,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 11:07:25,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 11:07:25,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 11:07:25,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 11:07:25,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 11:07:25,820 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 11:07:25,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 11:07:25,820 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 11:07:25,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 11:07:25,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 11:07:25,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 11:07:25,821 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 11:07:25,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 11:07:25,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 11:07:25,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 11:07:25,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 11:07:25,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 11:07:25,822 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 11:07:25,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 11:07:25,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 11:07:25,823 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 11:07:26,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 11:07:26,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 11:07:26,133 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 11:07:26,135 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 11:07:26,135 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 11:07:26,136 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.03.cil-2.c [2019-11-07 11:07:26,210 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b7309d88/dce4fdb2a35e4cb9ab4e1af9f21434ac/FLAG6fc7d800d [2019-11-07 11:07:26,742 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 11:07:26,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.03.cil-2.c [2019-11-07 11:07:26,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b7309d88/dce4fdb2a35e4cb9ab4e1af9f21434ac/FLAG6fc7d800d [2019-11-07 11:07:27,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b7309d88/dce4fdb2a35e4cb9ab4e1af9f21434ac [2019-11-07 11:07:27,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 11:07:27,077 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 11:07:27,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 11:07:27,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 11:07:27,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 11:07:27,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:07:27" (1/1) ... [2019-11-07 11:07:27,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab07c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:27, skipping insertion in model container [2019-11-07 11:07:27,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:07:27" (1/1) ... [2019-11-07 11:07:27,093 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 11:07:27,129 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 11:07:27,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 11:07:27,473 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 11:07:27,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 11:07:27,662 INFO L192 MainTranslator]: Completed translation [2019-11-07 11:07:27,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:27 WrapperNode [2019-11-07 11:07:27,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 11:07:27,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 11:07:27,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 11:07:27,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 11:07:27,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:27" (1/1) ... [2019-11-07 11:07:27,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:27" (1/1) ... [2019-11-07 11:07:27,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:27" (1/1) ... [2019-11-07 11:07:27,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:27" (1/1) ... [2019-11-07 11:07:27,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:27" (1/1) ... [2019-11-07 11:07:27,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:27" (1/1) ... [2019-11-07 11:07:27,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:27" (1/1) ... [2019-11-07 11:07:27,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 11:07:27,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 11:07:27,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 11:07:27,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 11:07:27,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:27" (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 [2019-11-07 11:07:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 11:07:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 11:07:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-11-07 11:07:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-11-07 11:07:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-11-07 11:07:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-11-07 11:07:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2019-11-07 11:07:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-11-07 11:07:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-11-07 11:07:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-11-07 11:07:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2019-11-07 11:07:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-11-07 11:07:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-11-07 11:07:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-11-07 11:07:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-11-07 11:07:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-11-07 11:07:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-11-07 11:07:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-11-07 11:07:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-11-07 11:07:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-11-07 11:07:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-11-07 11:07:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-11-07 11:07:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-11-07 11:07:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-11-07 11:07:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 11:07:27,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 11:07:27,790 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-11-07 11:07:27,790 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-11-07 11:07:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-11-07 11:07:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-11-07 11:07:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2019-11-07 11:07:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-11-07 11:07:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 11:07:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-11-07 11:07:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-11-07 11:07:27,792 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-11-07 11:07:27,792 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2019-11-07 11:07:27,792 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-11-07 11:07:27,792 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-11-07 11:07:27,792 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-11-07 11:07:27,792 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-11-07 11:07:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-11-07 11:07:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-11-07 11:07:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-11-07 11:07:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-11-07 11:07:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-11-07 11:07:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-11-07 11:07:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-11-07 11:07:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-11-07 11:07:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 11:07:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 11:07:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 11:07:28,986 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 11:07:28,987 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-07 11:07:28,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:07:28 BoogieIcfgContainer [2019-11-07 11:07:28,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 11:07:28,989 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 11:07:28,989 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 11:07:28,989 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 11:07:28,990 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:07:28" (1/1) ... [2019-11-07 11:07:28,991 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 11:07:29,023 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 11:07:29,023 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 11:07:29,040 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 11:07:29,049 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 11:07:29,050 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 11:07:29,125 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 91 for LOIs [2019-11-07 11:07:29,149 INFO L197 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 84 for LOIs [2019-11-07 11:07:29,190 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-11-07 11:07:29,283 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-11-07 11:07:29,952 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-11-07 11:07:29,986 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-11-07 11:07:30,446 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-11-07 11:07:30,460 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-11-07 11:07:31,099 INFO L197 IcfgInterpreter]: Interpreting procedure eval with input of size 60 for LOIs [2019-11-07 11:07:31,888 INFO L197 IcfgInterpreter]: Interpreting procedure master with input of size 43 for LOIs [2019-11-07 11:07:31,889 INFO L197 IcfgInterpreter]: Interpreting procedure error with input of size 31 for LOIs [2019-11-07 11:07:31,890 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 11:07:31,903 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 11:07:31,903 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 11:07:31,906 INFO L168 Benchmark]: Toolchain (without parser) took 4827.84 ms. Allocated memory was 145.8 MB in the beginning and 290.5 MB in the end (delta: 144.7 MB). Free memory was 103.3 MB in the beginning and 172.1 MB in the end (delta: -68.8 MB). Peak memory consumption was 75.9 MB. Max. memory is 7.1 GB. [2019-11-07 11:07:31,908 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 11:07:31,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.87 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 103.1 MB in the beginning and 177.7 MB in the end (delta: -74.6 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-11-07 11:07:31,910 INFO L168 Benchmark]: Boogie Preprocessor took 51.85 ms. Allocated memory is still 202.4 MB. Free memory was 177.7 MB in the beginning and 174.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-11-07 11:07:31,911 INFO L168 Benchmark]: RCFGBuilder took 1272.99 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 174.8 MB in the beginning and 202.6 MB in the end (delta: -27.8 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. [2019-11-07 11:07:31,912 INFO L168 Benchmark]: Sifa took 2914.85 ms. Allocated memory was 235.4 MB in the beginning and 290.5 MB in the end (delta: 55.1 MB). Free memory was 201.1 MB in the beginning and 172.1 MB in the end (delta: 29.0 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2019-11-07 11:07:31,916 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 584.87 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 103.1 MB in the beginning and 177.7 MB in the end (delta: -74.6 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.85 ms. Allocated memory is still 202.4 MB. Free memory was 177.7 MB in the beginning and 174.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1272.99 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 174.8 MB in the beginning and 202.6 MB in the end (delta: -27.8 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. * Sifa took 2914.85 ms. Allocated memory was 235.4 MB in the beginning and 290.5 MB in the end (delta: 55.1 MB). Free memory was 201.1 MB in the beginning and 172.1 MB in the end (delta: 29.0 MB). Peak memory consumption was 84.1 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]: 2867, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 89, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 201, TOOLS_POST_TIME[ms]: 84, TOOLS_POST_CALL_APPLICATIONS: 68, TOOLS_POST_CALL_TIME[ms]: 193, TOOLS_POST_RETURN_APPLICATIONS: 63, TOOLS_POST_RETURN_TIME[ms]: 137, TOOLS_QUANTIFIERELIM_APPLICATIONS: 332, TOOLS_QUANTIFIERELIM_TIME[ms]: 303, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 20, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 316, FLUID_YES_ANSWERS: 5, DOMAIN_JOIN_APPLICATIONS: 85, DOMAIN_JOIN_TIME[ms]: 1480, DOMAIN_ALPHA_APPLICATIONS: 5, DOMAIN_ALPHA_TIME[ms]: 617, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 18, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 89, DOMAIN_ISBOTTOM_TIME[ms]: 158, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1561, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1558, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 63, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1501, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1500, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 504, DAG_COMPRESSION_RETAINED_NODES: 224 - 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 1718#(and (= ~m_pc~0 1) (= ~m_i~0 1) (= ~t1_i~0 1) (<= 1 ~t2_i~0) (= ~m_st~0 1) (<= ~t1_i~0 1) (<= ~t3_i~0 1) (<= ~m_i~0 1) (<= 1 ~m_i~0) (not (= (+ ~local~0 3) ~token~0)) (= ~t3_i~0 1) (<= 1 ~t3_i~0) (not (= ~m_pc~0 0)) (= ~t2_i~0 1) (<= ~t2_i~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...