/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.02.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 11:07:23,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 11:07:23,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 11:07:24,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 11:07:24,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 11:07:24,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 11:07:24,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 11:07:24,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 11:07:24,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 11:07:24,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 11:07:24,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 11:07:24,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 11:07:24,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 11:07:24,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 11:07:24,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 11:07:24,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 11:07:24,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 11:07:24,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 11:07:24,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 11:07:24,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 11:07:24,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 11:07:24,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 11:07:24,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 11:07:24,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 11:07:24,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 11:07:24,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 11:07:24,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 11:07:24,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 11:07:24,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 11:07:24,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 11:07:24,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 11:07:24,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 11:07:24,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 11:07:24,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 11:07:24,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 11:07:24,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 11:07:24,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 11:07:24,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 11:07:24,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 11:07:24,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 11:07:24,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 11:07:24,079 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 11:07:24,098 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 11:07:24,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 11:07:24,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 11:07:24,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 11:07:24,102 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 11:07:24,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 11:07:24,102 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 11:07:24,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 11:07:24,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 11:07:24,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 11:07:24,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 11:07:24,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 11:07:24,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 11:07:24,106 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 11:07:24,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 11:07:24,106 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 11:07:24,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 11:07:24,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 11:07:24,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 11:07:24,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 11:07:24,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 11:07:24,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 11:07:24,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 11:07:24,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 11:07:24,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 11:07:24,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 11:07:24,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 11:07:24,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 11:07:24,109 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 11:07:24,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 11:07:24,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 11:07:24,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 11:07:24,405 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 11:07:24,405 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 11:07:24,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-11-07 11:07:24,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cffb9e4d6/e4527b4b5e604ad98613f0e3aef7b74e/FLAGb0d18a5b6 [2019-11-07 11:07:24,950 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 11:07:24,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-11-07 11:07:24,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cffb9e4d6/e4527b4b5e604ad98613f0e3aef7b74e/FLAGb0d18a5b6 [2019-11-07 11:07:25,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cffb9e4d6/e4527b4b5e604ad98613f0e3aef7b74e [2019-11-07 11:07:25,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 11:07:25,304 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 11:07:25,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 11:07:25,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 11:07:25,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 11:07:25,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:07:25" (1/1) ... [2019-11-07 11:07:25,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc07b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:25, skipping insertion in model container [2019-11-07 11:07:25,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:07:25" (1/1) ... [2019-11-07 11:07:25,319 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 11:07:25,360 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 11:07:25,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 11:07:25,606 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 11:07:25,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 11:07:25,764 INFO L192 MainTranslator]: Completed translation [2019-11-07 11:07:25,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:25 WrapperNode [2019-11-07 11:07:25,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 11:07:25,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 11:07:25,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 11:07:25,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 11:07:25,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:25" (1/1) ... [2019-11-07 11:07:25,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:25" (1/1) ... [2019-11-07 11:07:25,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:25" (1/1) ... [2019-11-07 11:07:25,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:25" (1/1) ... [2019-11-07 11:07:25,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:25" (1/1) ... [2019-11-07 11:07:25,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:25" (1/1) ... [2019-11-07 11:07:25,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:25" (1/1) ... [2019-11-07 11:07:25,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 11:07:25,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 11:07:25,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 11:07:25,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 11:07:25,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:25" (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 11:07:25,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 11:07:25,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 11:07:25,869 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-11-07 11:07:25,869 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-11-07 11:07:25,870 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-11-07 11:07:25,870 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-11-07 11:07:25,870 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-11-07 11:07:25,870 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-11-07 11:07:25,870 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-11-07 11:07:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-11-07 11:07:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-11-07 11:07:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-11-07 11:07:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-11-07 11:07:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-11-07 11:07:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-11-07 11:07:25,872 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-11-07 11:07:25,872 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-11-07 11:07:25,872 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-11-07 11:07:25,872 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-11-07 11:07:25,872 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-11-07 11:07:25,872 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-11-07 11:07:25,873 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-11-07 11:07:25,873 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 11:07:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 11:07:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-11-07 11:07:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-11-07 11:07:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-11-07 11:07:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-11-07 11:07:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-11-07 11:07:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 11:07:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-11-07 11:07:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-11-07 11:07:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-11-07 11:07:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-11-07 11:07:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-11-07 11:07:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-11-07 11:07:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-11-07 11:07:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-11-07 11:07:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-11-07 11:07:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-11-07 11:07:25,876 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-11-07 11:07:25,876 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-11-07 11:07:25,876 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-11-07 11:07:25,876 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-11-07 11:07:25,876 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-11-07 11:07:25,876 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 11:07:25,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 11:07:25,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 11:07:26,892 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 11:07:26,893 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 11:07:26,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:07:26 BoogieIcfgContainer [2019-11-07 11:07:26,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 11:07:26,895 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 11:07:26,895 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 11:07:26,895 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 11:07:26,897 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:07:26" (1/1) ... [2019-11-07 11:07:26,897 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 11:07:26,921 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 11:07:26,922 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 11:07:26,931 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 11:07:26,938 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 11:07:26,940 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 11:07:27,005 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 71 for LOIs [2019-11-07 11:07:27,032 INFO L197 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 66 for LOIs [2019-11-07 11:07:27,082 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-07 11:07:27,160 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-07 11:07:27,405 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-07 11:07:27,411 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-07 11:07:28,218 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-07 11:07:28,233 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-07 11:07:28,876 INFO L197 IcfgInterpreter]: Interpreting procedure eval with input of size 47 for LOIs [2019-11-07 11:07:29,378 INFO L197 IcfgInterpreter]: Interpreting procedure master with input of size 36 for LOIs [2019-11-07 11:07:29,389 INFO L197 IcfgInterpreter]: Interpreting procedure error with input of size 25 for LOIs [2019-11-07 11:07:29,389 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 11:07:29,402 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 11:07:29,403 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 11:07:29,406 INFO L168 Benchmark]: Toolchain (without parser) took 4100.97 ms. Allocated memory was 137.9 MB in the beginning and 298.8 MB in the end (delta: 161.0 MB). Free memory was 102.0 MB in the beginning and 234.7 MB in the end (delta: -132.7 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2019-11-07 11:07:29,406 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 11:07:29,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.47 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 101.6 MB in the beginning and 177.3 MB in the end (delta: -75.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-11-07 11:07:29,409 INFO L168 Benchmark]: Boogie Preprocessor took 47.15 ms. Allocated memory is still 201.9 MB. Free memory was 177.3 MB in the beginning and 175.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-11-07 11:07:29,410 INFO L168 Benchmark]: RCFGBuilder took 1081.86 ms. Allocated memory is still 201.9 MB. Free memory was 175.3 MB in the beginning and 101.0 MB in the end (delta: 74.3 MB). Peak memory consumption was 74.3 MB. Max. memory is 7.1 GB. [2019-11-07 11:07:29,411 INFO L168 Benchmark]: Sifa took 2507.98 ms. Allocated memory was 201.9 MB in the beginning and 298.8 MB in the end (delta: 97.0 MB). Free memory was 101.0 MB in the beginning and 234.7 MB in the end (delta: -133.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 11:07:29,414 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 460.47 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 101.6 MB in the beginning and 177.3 MB in the end (delta: -75.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.15 ms. Allocated memory is still 201.9 MB. Free memory was 177.3 MB in the beginning and 175.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1081.86 ms. Allocated memory is still 201.9 MB. Free memory was 175.3 MB in the beginning and 101.0 MB in the end (delta: 74.3 MB). Peak memory consumption was 74.3 MB. Max. memory is 7.1 GB. * Sifa took 2507.98 ms. Allocated memory was 201.9 MB in the beginning and 298.8 MB in the end (delta: 97.0 MB). Free memory was 101.0 MB in the beginning and 234.7 MB in the end (delta: -133.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 2469, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 96, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 203, TOOLS_POST_TIME[ms]: 90, TOOLS_POST_CALL_APPLICATIONS: 70, TOOLS_POST_CALL_TIME[ms]: 174, TOOLS_POST_RETURN_APPLICATIONS: 64, TOOLS_POST_RETURN_TIME[ms]: 124, TOOLS_QUANTIFIERELIM_APPLICATIONS: 337, TOOLS_QUANTIFIERELIM_TIME[ms]: 274, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 319, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 90, DOMAIN_JOIN_TIME[ms]: 1458, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 215, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 92, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 96, DOMAIN_ISBOTTOM_TIME[ms]: 148, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1926, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1925, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 64, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1434, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1433, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 482, DAG_COMPRESSION_RETAINED_NODES: 223 - 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 1120#(and (= ~m_pc~0 1) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (= ~m_i~0 1) (= ~t1_i~0 1) (<= 1 ~t2_i~0) (= ~m_st~0 1) (<= ~t1_i~0 1) (<= ~m_i~0 1) (<= 1 ~m_i~0) (not (= ~m_pc~0 0)) (= ~t2_i~0 1) (<= ~m_pc~0 1) (<= 1 ~m_st~0) (<= ~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...