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 -i ../../../trunk/examples/svcomp/array-examples/standard_init7_ground-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:12:58,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:12:58,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:12:58,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:12:58,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:12:58,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:12:58,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:12:58,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:12:58,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:12:58,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:12:58,680 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:12:58,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:12:58,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:12:58,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:12:58,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:12:58,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:12:58,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:12:58,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:12:58,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:12:58,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:12:58,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:12:58,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:12:58,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:12:58,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:12:58,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-17 21:12:58,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-17 21:12:58,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-17 21:12:58,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-17 21:12:58,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-17 21:12:58,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-17 21:12:58,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-17 21:12:58,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-17 21:12:58,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-17 21:12:58,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-17 21:12:58,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-17 21:12:58,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-17 21:12:58,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-17 21:12:58,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-17 21:12:58,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:12:58,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:12:58,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:12:58,709 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 [2019-08-17 21:12:58,734 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:12:58,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:12:58,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:12:58,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:12:58,737 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:12:58,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:12:58,738 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:12:58,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:12:58,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:12:58,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:12:58,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:12:58,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:12:58,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:12:58,739 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:12:58,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:12:58,740 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:12:58,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:12:58,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:12:58,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:12:58,741 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:12:58,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:12:58,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:12:58,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:12:58,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:12:58,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:12:58,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:12:58,742 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:12:58,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:12:58,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:12:58,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:12:58,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:12:58,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:12:58,797 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:12:58,797 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:12:58,798 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_init7_ground-1.i [2019-08-17 21:12:58,864 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33f114c79/97b96fe1f8bb497f957196cd3ee25d7e/FLAG5e556b252 [2019-08-17 21:12:59,321 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:12:59,324 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_init7_ground-1.i [2019-08-17 21:12:59,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33f114c79/97b96fe1f8bb497f957196cd3ee25d7e/FLAG5e556b252 [2019-08-17 21:12:59,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33f114c79/97b96fe1f8bb497f957196cd3ee25d7e [2019-08-17 21:12:59,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:12:59,706 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:12:59,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:12:59,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:12:59,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:12:59,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:12:59" (1/1) ... [2019-08-17 21:12:59,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1db8c6a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:59, skipping insertion in model container [2019-08-17 21:12:59,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:12:59" (1/1) ... [2019-08-17 21:12:59,723 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:12:59,738 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:12:59,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:12:59,905 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:12:59,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:00,035 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:13:00,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:00 WrapperNode [2019-08-17 21:13:00,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:00,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:13:00,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:13:00,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:13:00,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:00" (1/1) ... [2019-08-17 21:13:00,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:00" (1/1) ... [2019-08-17 21:13:00,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:00" (1/1) ... [2019-08-17 21:13:00,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:00" (1/1) ... [2019-08-17 21:13:00,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:00" (1/1) ... [2019-08-17 21:13:00,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:00" (1/1) ... [2019-08-17 21:13:00,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:00" (1/1) ... [2019-08-17 21:13:00,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:13:00,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:13:00,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:13:00,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:13:00,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:00" (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 [2019-08-17 21:13:00,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:13:00,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:13:00,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-17 21:13:00,121 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:13:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:13:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-17 21:13:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:13:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:13:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:13:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:13:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:13:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:13:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:13:00,398 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:13:00,399 INFO L283 CfgBuilder]: Removed 8 assume(true) statements. [2019-08-17 21:13:00,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:00 BoogieIcfgContainer [2019-08-17 21:13:00,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:13:00,403 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:13:00,403 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:13:00,404 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:13:00,405 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:00" (1/1) ... [2019-08-17 21:13:00,424 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:13:00,428 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:13:00,436 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:13:00,447 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:13:00,448 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:13:00,569 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-17 21:13:00,570 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:00,591 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:00,591 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:00,592 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:13:00,602 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:13:00,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:00,682 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2019-08-17 21:13:00,683 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:00,692 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:00,692 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:00,693 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2019-08-17 21:13:00,709 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-17 21:13:00,710 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:00,717 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:00,717 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:00,718 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2019-08-17 21:13:00,722 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:00,739 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:00,749 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2019-08-17 21:13:00,750 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:00,768 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2019-08-17 21:13:00,769 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:00,816 INFO L567 ElimStorePlain]: treesize reduction 6, result has 88.0 percent of original size [2019-08-17 21:13:00,817 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:13:00,818 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:58, output treesize:44 [2019-08-17 21:13:00,828 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2019-08-17 21:13:00,829 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:00,837 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:00,837 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:00,838 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2019-08-17 21:13:00,848 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2019-08-17 21:13:00,849 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:00,864 INFO L567 ElimStorePlain]: treesize reduction 3, result has 84.2 percent of original size [2019-08-17 21:13:00,865 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:00,865 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:16 [2019-08-17 21:13:00,870 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:00,895 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2019-08-17 21:13:00,895 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:00,902 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:00,907 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2019-08-17 21:13:00,909 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:00,960 INFO L567 ElimStorePlain]: treesize reduction 6, result has 89.1 percent of original size [2019-08-17 21:13:00,961 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:13:00,961 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:63, output treesize:49 [2019-08-17 21:13:00,973 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2019-08-17 21:13:00,974 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:00,982 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:00,983 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:00,983 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2019-08-17 21:13:00,993 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2019-08-17 21:13:00,994 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,010 INFO L567 ElimStorePlain]: treesize reduction 3, result has 84.2 percent of original size [2019-08-17 21:13:01,011 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,012 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:16 [2019-08-17 21:13:01,016 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:01,039 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:01,047 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2019-08-17 21:13:01,048 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,061 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2019-08-17 21:13:01,061 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,105 INFO L567 ElimStorePlain]: treesize reduction 6, result has 89.1 percent of original size [2019-08-17 21:13:01,106 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:13:01,107 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:63, output treesize:49 [2019-08-17 21:13:01,117 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2019-08-17 21:13:01,118 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,127 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:01,127 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,127 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2019-08-17 21:13:01,138 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2019-08-17 21:13:01,138 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,151 INFO L567 ElimStorePlain]: treesize reduction 3, result has 84.2 percent of original size [2019-08-17 21:13:01,152 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,152 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:16 [2019-08-17 21:13:01,155 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:01,166 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2019-08-17 21:13:01,167 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,172 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:01,177 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2019-08-17 21:13:01,178 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,220 INFO L567 ElimStorePlain]: treesize reduction 6, result has 89.1 percent of original size [2019-08-17 21:13:01,220 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:13:01,221 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:63, output treesize:49 [2019-08-17 21:13:01,230 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2019-08-17 21:13:01,230 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,237 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:01,238 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,238 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2019-08-17 21:13:01,246 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2019-08-17 21:13:01,246 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,258 INFO L567 ElimStorePlain]: treesize reduction 3, result has 84.2 percent of original size [2019-08-17 21:13:01,259 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,259 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:16 [2019-08-17 21:13:01,263 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:01,276 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2019-08-17 21:13:01,276 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,284 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:01,290 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2019-08-17 21:13:01,291 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,336 INFO L567 ElimStorePlain]: treesize reduction 6, result has 89.1 percent of original size [2019-08-17 21:13:01,336 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:13:01,337 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:63, output treesize:49 [2019-08-17 21:13:01,347 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2019-08-17 21:13:01,348 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,354 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:01,355 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,355 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2019-08-17 21:13:01,362 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-17 21:13:01,363 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,372 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:01,372 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,373 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2019-08-17 21:13:01,376 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:01,389 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:01,407 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2019-08-17 21:13:01,408 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,414 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2019-08-17 21:13:01,414 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,455 INFO L567 ElimStorePlain]: treesize reduction 6, result has 88.0 percent of original size [2019-08-17 21:13:01,456 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:13:01,456 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:58, output treesize:44 [2019-08-17 21:13:01,465 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2019-08-17 21:13:01,466 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,474 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:01,475 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:01,475 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2019-08-17 21:13:01,480 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:01,485 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:01,491 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:01,494 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-17 21:13:01,495 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:13:01,495 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:13:01,498 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 203#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-17 21:13:01,508 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:13:01,509 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:13:01,511 INFO L168 Benchmark]: Toolchain (without parser) took 1804.34 ms. Allocated memory was 133.7 MB in the beginning and 226.5 MB in the end (delta: 92.8 MB). Free memory was 88.0 MB in the beginning and 189.2 MB in the end (delta: -101.2 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:01,512 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:13:01,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.00 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 87.8 MB in the beginning and 177.8 MB in the end (delta: -90.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:01,514 INFO L168 Benchmark]: Boogie Preprocessor took 34.46 ms. Allocated memory is still 200.8 MB. Free memory was 177.8 MB in the beginning and 175.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:01,514 INFO L168 Benchmark]: RCFGBuilder took 331.66 ms. Allocated memory is still 200.8 MB. Free memory was 175.6 MB in the beginning and 159.6 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:01,515 INFO L168 Benchmark]: Symbolic Interpretation took 1106.28 ms. Allocated memory was 200.8 MB in the beginning and 226.5 MB in the end (delta: 25.7 MB). Free memory was 159.6 MB in the beginning and 189.2 MB in the end (delta: -29.6 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:01,520 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 2]: 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 203#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 328.00 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 87.8 MB in the beginning and 177.8 MB in the end (delta: -90.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.46 ms. Allocated memory is still 200.8 MB. Free memory was 177.8 MB in the beginning and 175.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 331.66 ms. Allocated memory is still 200.8 MB. Free memory was 175.6 MB in the beginning and 159.6 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1106.28 ms. Allocated memory was 200.8 MB in the beginning and 226.5 MB in the end (delta: 25.7 MB). Free memory was 159.6 MB in the beginning and 189.2 MB in the end (delta: -29.6 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...