/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf -i ../../../trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 05:55:28,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 05:55:28,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 05:55:28,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 05:55:28,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 05:55:28,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 05:55:28,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 05:55:28,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 05:55:28,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 05:55:28,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 05:55:28,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 05:55:28,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 05:55:28,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 05:55:28,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 05:55:28,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 05:55:28,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 05:55:28,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 05:55:28,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 05:55:28,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 05:55:28,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 05:55:28,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 05:55:28,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 05:55:28,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 05:55:28,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 05:55:28,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 05:55:28,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 05:55:28,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 05:55:28,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 05:55:28,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 05:55:28,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 05:55:28,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 05:55:28,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 05:55:28,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 05:55:28,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 05:55:28,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 05:55:28,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 05:55:28,562 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf [2020-10-16 05:55:28,584 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 05:55:28,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 05:55:28,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 05:55:28,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 05:55:28,586 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 05:55:28,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 05:55:28,586 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 05:55:28,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 05:55:28,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 05:55:28,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 05:55:28,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 05:55:28,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 05:55:28,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 05:55:28,587 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 05:55:28,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 05:55:28,588 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 05:55:28,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 05:55:28,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 05:55:28,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 05:55:28,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 05:55:28,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 05:55:28,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 05:55:28,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 05:55:28,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 05:55:28,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 05:55:28,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 05:55:28,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 05:55:28,590 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 05:55:28,590 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 05:55:28,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 05:55:28,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 05:55:28,902 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 05:55:28,903 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 05:55:28,904 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 05:55:28,904 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i [2020-10-16 05:55:28,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d17014abc/6362e6cbc19143eda2db0be07f1e4daa/FLAG7511f9d67 [2020-10-16 05:55:29,526 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 05:55:29,527 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i [2020-10-16 05:55:29,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d17014abc/6362e6cbc19143eda2db0be07f1e4daa/FLAG7511f9d67 [2020-10-16 05:55:29,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d17014abc/6362e6cbc19143eda2db0be07f1e4daa [2020-10-16 05:55:29,835 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 05:55:29,836 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 05:55:29,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 05:55:29,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 05:55:29,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 05:55:29,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:55:29" (1/1) ... [2020-10-16 05:55:29,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd10c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:55:29, skipping insertion in model container [2020-10-16 05:55:29,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:55:29" (1/1) ... [2020-10-16 05:55:29,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 05:55:29,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 05:55:30,049 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-10-16 05:55:30,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 05:55:30,363 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 05:55:30,377 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-10-16 05:55:30,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 05:55:30,504 INFO L208 MainTranslator]: Completed translation [2020-10-16 05:55:30,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:55:30 WrapperNode [2020-10-16 05:55:30,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 05:55:30,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 05:55:30,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 05:55:30,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 05:55:30,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:55:30" (1/1) ... [2020-10-16 05:55:30,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:55:30" (1/1) ... [2020-10-16 05:55:30,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 05:55:30,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 05:55:30,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 05:55:30,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 05:55:30,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:55:30" (1/1) ... [2020-10-16 05:55:30,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:55:30" (1/1) ... [2020-10-16 05:55:30,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:55:30" (1/1) ... [2020-10-16 05:55:30,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:55:30" (1/1) ... [2020-10-16 05:55:30,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:55:30" (1/1) ... [2020-10-16 05:55:30,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:55:30" (1/1) ... [2020-10-16 05:55:30,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:55:30" (1/1) ... [2020-10-16 05:55:30,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 05:55:30,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 05:55:30,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 05:55:30,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 05:55:30,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:55:30" (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 [2020-10-16 05:55:30,671 INFO L130 BoogieDeclarations]: Found specification of procedure reader_fn [2020-10-16 05:55:30,671 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_fn [2020-10-16 05:55:30,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 05:55:30,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 05:55:30,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 05:55:30,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 05:55:30,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 05:55:30,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 05:55:30,676 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 05:55:31,110 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 05:55:31,111 INFO L298 CfgBuilder]: Removed 19 assume(true) statements. [2020-10-16 05:55:31,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:55:31 BoogieIcfgContainer [2020-10-16 05:55:31,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 05:55:31,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 05:55:31,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 05:55:31,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 05:55:31,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 05:55:29" (1/3) ... [2020-10-16 05:55:31,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8482f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:55:31, skipping insertion in model container [2020-10-16 05:55:31,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:55:30" (2/3) ... [2020-10-16 05:55:31,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8482f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:55:31, skipping insertion in model container [2020-10-16 05:55:31,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:55:31" (3/3) ... [2020-10-16 05:55:31,121 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_1w1r-2.i [2020-10-16 05:55:31,132 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 05:55:31,140 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-16 05:55:31,141 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 05:55:31,173 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,174 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,174 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,174 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,175 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,175 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,175 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,175 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,176 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,176 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,176 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,177 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,177 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,177 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,178 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,178 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,178 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,178 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,178 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,179 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,179 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,179 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,179 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,180 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,180 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,180 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,181 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,181 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,181 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,181 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,181 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,182 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,182 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,182 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,182 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,182 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,183 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,183 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,183 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,183 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,183 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,184 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,184 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,184 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,185 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,185 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,185 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,185 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,185 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,186 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,186 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,186 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,186 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,186 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,187 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,187 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,187 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,187 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,188 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,188 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,188 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,188 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,188 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,189 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,189 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,189 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,189 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,190 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,190 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,190 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,190 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,191 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,191 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,191 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,191 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,192 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,192 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,192 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,192 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,193 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,193 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,193 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,193 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,194 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,194 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,194 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,194 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,195 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,195 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,195 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,195 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,195 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,196 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,196 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,196 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,196 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,197 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,197 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,197 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,197 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,198 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,198 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,198 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,198 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,199 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,199 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,199 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,199 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,200 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,200 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,200 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,200 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,201 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,201 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,201 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,201 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,202 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,202 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,202 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,202 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,202 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,203 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,203 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,203 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,204 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,204 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,204 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,204 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,208 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,209 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,209 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,209 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,209 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,210 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,210 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,210 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,210 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,210 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,211 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,211 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,211 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,211 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,212 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,212 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,212 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,212 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,213 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,213 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,213 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,213 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,213 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,214 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,214 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,214 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,214 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,215 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,215 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:55:31,240 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 05:55:31,257 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 05:55:31,257 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 05:55:31,257 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 05:55:31,258 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 05:55:31,258 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 05:55:31,258 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 05:55:31,258 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 05:55:31,258 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 05:55:31,274 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 122 places, 128 transitions, 264 flow [2020-10-16 05:55:31,334 INFO L129 PetriNetUnfolder]: 10/127 cut-off events. [2020-10-16 05:55:31,334 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-16 05:55:31,344 INFO L80 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 127 events. 10/127 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 245 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 105. Up to 2 conditions per place. [2020-10-16 05:55:31,344 INFO L82 GeneralOperation]: Start removeDead. Operand has 122 places, 128 transitions, 264 flow [2020-10-16 05:55:31,352 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 113 places, 119 transitions, 241 flow [2020-10-16 05:55:31,354 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 05:55:31,357 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 119 transitions, 241 flow [2020-10-16 05:55:31,359 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 119 transitions, 241 flow [2020-10-16 05:55:31,360 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 113 places, 119 transitions, 241 flow [2020-10-16 05:55:31,390 INFO L129 PetriNetUnfolder]: 10/119 cut-off events. [2020-10-16 05:55:31,391 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 05:55:31,393 INFO L80 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 119 events. 10/119 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 216 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 105. Up to 2 conditions per place. [2020-10-16 05:55:31,398 INFO L117 LiptonReduction]: Number of co-enabled transitions 4968 [2020-10-16 05:55:31,660 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 05:55:31,662 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 05:55:31,669 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 05:55:31,679 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 05:55:31,680 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 05:55:31,683 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 05:55:33,717 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2020-10-16 05:55:34,168 INFO L132 LiptonReduction]: Checked pairs total: 6517 [2020-10-16 05:55:34,169 INFO L134 LiptonReduction]: Total number of compositions: 118 [2020-10-16 05:55:34,172 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2819 [2020-10-16 05:55:34,178 INFO L129 PetriNetUnfolder]: 4/14 cut-off events. [2020-10-16 05:55:34,178 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 05:55:34,179 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:55:34,180 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 05:55:34,180 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 05:55:34,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:55:34,186 INFO L82 PathProgramCache]: Analyzing trace with hash 485332301, now seen corresponding path program 1 times [2020-10-16 05:55:34,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:55:34,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856418505] [2020-10-16 05:55:34,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:55:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:55:34,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:55:34,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856418505] [2020-10-16 05:55:34,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:55:34,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 05:55:34,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129329761] [2020-10-16 05:55:34,379 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 05:55:34,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:55:34,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 05:55:34,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 05:55:34,401 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 246 [2020-10-16 05:55:34,406 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 29 transitions, 61 flow. Second operand 2 states. [2020-10-16 05:55:34,406 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:55:34,406 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 246 [2020-10-16 05:55:34,408 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:55:34,429 INFO L129 PetriNetUnfolder]: 4/27 cut-off events. [2020-10-16 05:55:34,429 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 05:55:34,431 INFO L80 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 27 events. 4/27 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 2/22 useless extension candidates. Maximal degree in co-relation 29. Up to 2 conditions per place. [2020-10-16 05:55:34,433 INFO L132 encePairwiseOnDemand]: 244/246 looper letters, 0 selfloop transitions, 0 changer transitions 0/27 dead transitions. [2020-10-16 05:55:34,433 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 27 transitions, 57 flow [2020-10-16 05:55:34,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 05:55:34,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-16 05:55:34,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 446 transitions. [2020-10-16 05:55:34,456 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9065040650406504 [2020-10-16 05:55:34,457 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 446 transitions. [2020-10-16 05:55:34,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 446 transitions. [2020-10-16 05:55:34,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:55:34,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 446 transitions. [2020-10-16 05:55:34,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-10-16 05:55:34,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 3 states. [2020-10-16 05:55:34,474 INFO L81 ComplementDD]: Finished complementDD. Result 3 states. [2020-10-16 05:55:34,477 INFO L185 Difference]: Start difference. First operand has 27 places, 29 transitions, 61 flow. Second operand 2 states and 446 transitions. [2020-10-16 05:55:34,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 27 transitions, 57 flow [2020-10-16 05:55:34,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 27 transitions, 56 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 05:55:34,482 INFO L241 Difference]: Finished difference. Result has 27 places, 27 transitions, 56 flow [2020-10-16 05:55:34,485 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=56, PETRI_PLACES=27, PETRI_TRANSITIONS=27} [2020-10-16 05:55:34,485 INFO L342 CegarLoopForPetriNet]: 27 programPoint places, 0 predicate places. [2020-10-16 05:55:34,486 INFO L481 AbstractCegarLoop]: Abstraction has has 27 places, 27 transitions, 56 flow [2020-10-16 05:55:34,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 05:55:34,486 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:55:34,486 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-16 05:55:34,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 05:55:34,487 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 05:55:34,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:55:34,487 INFO L82 PathProgramCache]: Analyzing trace with hash -2134571924, now seen corresponding path program 1 times [2020-10-16 05:55:34,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:55:34,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484472639] [2020-10-16 05:55:34,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:55:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:55:34,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:55:34,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484472639] [2020-10-16 05:55:34,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:55:34,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 05:55:34,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373781909] [2020-10-16 05:55:34,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 05:55:34,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:55:34,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 05:55:34,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 05:55:34,551 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 246 [2020-10-16 05:55:34,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 27 transitions, 56 flow. Second operand 3 states. [2020-10-16 05:55:34,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:55:34,552 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 246 [2020-10-16 05:55:34,552 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:55:34,584 INFO L129 PetriNetUnfolder]: 5/36 cut-off events. [2020-10-16 05:55:34,584 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 05:55:34,585 INFO L80 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 36 events. 5/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 37 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 45. Up to 6 conditions per place. [2020-10-16 05:55:34,585 INFO L132 encePairwiseOnDemand]: 243/246 looper letters, 5 selfloop transitions, 2 changer transitions 0/29 dead transitions. [2020-10-16 05:55:34,586 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 29 transitions, 74 flow [2020-10-16 05:55:34,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 05:55:34,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 05:55:34,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 626 transitions. [2020-10-16 05:55:34,589 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8482384823848238 [2020-10-16 05:55:34,589 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 626 transitions. [2020-10-16 05:55:34,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 626 transitions. [2020-10-16 05:55:34,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:55:34,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 626 transitions. [2020-10-16 05:55:34,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 05:55:34,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 05:55:34,594 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 05:55:34,594 INFO L185 Difference]: Start difference. First operand has 27 places, 27 transitions, 56 flow. Second operand 3 states and 626 transitions. [2020-10-16 05:55:34,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 29 transitions, 74 flow [2020-10-16 05:55:34,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 29 transitions, 74 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 05:55:34,596 INFO L241 Difference]: Finished difference. Result has 30 places, 28 transitions, 68 flow [2020-10-16 05:55:34,597 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=30, PETRI_TRANSITIONS=28} [2020-10-16 05:55:34,597 INFO L342 CegarLoopForPetriNet]: 27 programPoint places, 3 predicate places. [2020-10-16 05:55:34,597 INFO L481 AbstractCegarLoop]: Abstraction has has 30 places, 28 transitions, 68 flow [2020-10-16 05:55:34,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 05:55:34,598 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:55:34,598 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:55:34,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 05:55:34,598 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 05:55:34,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:55:34,599 INFO L82 PathProgramCache]: Analyzing trace with hash -375447448, now seen corresponding path program 1 times [2020-10-16 05:55:34,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:55:34,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301061429] [2020-10-16 05:55:34,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:55:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:55:34,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:55:34,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301061429] [2020-10-16 05:55:34,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:55:34,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 05:55:34,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334658083] [2020-10-16 05:55:34,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 05:55:34,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:55:34,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 05:55:34,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-16 05:55:34,767 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 246 [2020-10-16 05:55:34,768 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 28 transitions, 68 flow. Second operand 7 states. [2020-10-16 05:55:34,768 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:55:34,768 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 246 [2020-10-16 05:55:34,769 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:55:35,210 INFO L129 PetriNetUnfolder]: 217/437 cut-off events. [2020-10-16 05:55:35,210 INFO L130 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2020-10-16 05:55:35,212 INFO L80 FinitePrefix]: Finished finitePrefix Result has 891 conditions, 437 events. 217/437 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1587 event pairs, 110 based on Foata normal form. 14/397 useless extension candidates. Maximal degree in co-relation 886. Up to 336 conditions per place. [2020-10-16 05:55:35,218 INFO L132 encePairwiseOnDemand]: 238/246 looper letters, 35 selfloop transitions, 8 changer transitions 20/67 dead transitions. [2020-10-16 05:55:35,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 67 transitions, 275 flow [2020-10-16 05:55:35,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 05:55:35,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-16 05:55:35,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1024 transitions. [2020-10-16 05:55:35,222 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5203252032520326 [2020-10-16 05:55:35,222 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1024 transitions. [2020-10-16 05:55:35,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1024 transitions. [2020-10-16 05:55:35,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:55:35,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1024 transitions. [2020-10-16 05:55:35,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-16 05:55:35,229 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-16 05:55:35,229 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-16 05:55:35,229 INFO L185 Difference]: Start difference. First operand has 30 places, 28 transitions, 68 flow. Second operand 8 states and 1024 transitions. [2020-10-16 05:55:35,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 67 transitions, 275 flow [2020-10-16 05:55:35,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 67 transitions, 272 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 05:55:35,233 INFO L241 Difference]: Finished difference. Result has 41 places, 33 transitions, 118 flow [2020-10-16 05:55:35,233 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=118, PETRI_PLACES=41, PETRI_TRANSITIONS=33} [2020-10-16 05:55:35,233 INFO L342 CegarLoopForPetriNet]: 27 programPoint places, 14 predicate places. [2020-10-16 05:55:35,233 INFO L481 AbstractCegarLoop]: Abstraction has has 41 places, 33 transitions, 118 flow [2020-10-16 05:55:35,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 05:55:35,234 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:55:35,234 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:55:35,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 05:55:35,234 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 05:55:35,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:55:35,235 INFO L82 PathProgramCache]: Analyzing trace with hash -994811645, now seen corresponding path program 1 times [2020-10-16 05:55:35,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:55:35,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230491928] [2020-10-16 05:55:35,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:55:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:55:35,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:55:35,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230491928] [2020-10-16 05:55:35,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:55:35,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-16 05:55:35,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882588984] [2020-10-16 05:55:35,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 05:55:35,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:55:35,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 05:55:35,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 05:55:35,801 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 246 [2020-10-16 05:55:35,802 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 33 transitions, 118 flow. Second operand 12 states. [2020-10-16 05:55:35,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:55:35,803 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 246 [2020-10-16 05:55:35,803 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:55:36,535 INFO L129 PetriNetUnfolder]: 217/429 cut-off events. [2020-10-16 05:55:36,535 INFO L130 PetriNetUnfolder]: For 198/198 co-relation queries the response was YES. [2020-10-16 05:55:36,537 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1074 conditions, 429 events. 217/429 cut-off events. For 198/198 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1490 event pairs, 100 based on Foata normal form. 10/375 useless extension candidates. Maximal degree in co-relation 1064. Up to 331 conditions per place. [2020-10-16 05:55:36,539 INFO L132 encePairwiseOnDemand]: 233/246 looper letters, 35 selfloop transitions, 17 changer transitions 14/69 dead transitions. [2020-10-16 05:55:36,540 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 69 transitions, 388 flow [2020-10-16 05:55:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 05:55:36,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-16 05:55:36,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1564 transitions. [2020-10-16 05:55:36,546 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.454123112659698 [2020-10-16 05:55:36,546 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1564 transitions. [2020-10-16 05:55:36,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1564 transitions. [2020-10-16 05:55:36,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:55:36,548 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1564 transitions. [2020-10-16 05:55:36,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-16 05:55:36,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-16 05:55:36,556 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-16 05:55:36,556 INFO L185 Difference]: Start difference. First operand has 41 places, 33 transitions, 118 flow. Second operand 14 states and 1564 transitions. [2020-10-16 05:55:36,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 69 transitions, 388 flow [2020-10-16 05:55:36,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 69 transitions, 382 flow, removed 2 selfloop flow, removed 3 redundant places. [2020-10-16 05:55:36,561 INFO L241 Difference]: Finished difference. Result has 58 places, 44 transitions, 244 flow [2020-10-16 05:55:36,561 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=244, PETRI_PLACES=58, PETRI_TRANSITIONS=44} [2020-10-16 05:55:36,562 INFO L342 CegarLoopForPetriNet]: 27 programPoint places, 31 predicate places. [2020-10-16 05:55:36,562 INFO L481 AbstractCegarLoop]: Abstraction has has 58 places, 44 transitions, 244 flow [2020-10-16 05:55:36,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 05:55:36,562 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:55:36,562 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:55:36,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 05:55:36,563 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 05:55:36,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:55:36,563 INFO L82 PathProgramCache]: Analyzing trace with hash 122969071, now seen corresponding path program 2 times [2020-10-16 05:55:36,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:55:36,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345596892] [2020-10-16 05:55:36,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:55:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:55:36,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:55:36,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345596892] [2020-10-16 05:55:36,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:55:36,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-16 05:55:36,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571436312] [2020-10-16 05:55:36,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 05:55:36,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:55:36,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 05:55:36,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-16 05:55:36,908 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 246 [2020-10-16 05:55:36,909 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 44 transitions, 244 flow. Second operand 12 states. [2020-10-16 05:55:36,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:55:36,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 246 [2020-10-16 05:55:36,910 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:55:38,020 INFO L129 PetriNetUnfolder]: 246/488 cut-off events. [2020-10-16 05:55:38,021 INFO L130 PetriNetUnfolder]: For 639/639 co-relation queries the response was YES. [2020-10-16 05:55:38,023 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1565 conditions, 488 events. 246/488 cut-off events. For 639/639 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1748 event pairs, 103 based on Foata normal form. 10/471 useless extension candidates. Maximal degree in co-relation 1546. Up to 340 conditions per place. [2020-10-16 05:55:38,026 INFO L132 encePairwiseOnDemand]: 233/246 looper letters, 58 selfloop transitions, 30 changer transitions 19/110 dead transitions. [2020-10-16 05:55:38,026 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 110 transitions, 744 flow [2020-10-16 05:55:38,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-16 05:55:38,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-16 05:55:38,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1812 transitions. [2020-10-16 05:55:38,033 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4603658536585366 [2020-10-16 05:55:38,033 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1812 transitions. [2020-10-16 05:55:38,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1812 transitions. [2020-10-16 05:55:38,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:55:38,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1812 transitions. [2020-10-16 05:55:38,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 17 states. [2020-10-16 05:55:38,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 17 states. [2020-10-16 05:55:38,044 INFO L81 ComplementDD]: Finished complementDD. Result 17 states. [2020-10-16 05:55:38,044 INFO L185 Difference]: Start difference. First operand has 58 places, 44 transitions, 244 flow. Second operand 16 states and 1812 transitions. [2020-10-16 05:55:38,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 110 transitions, 744 flow [2020-10-16 05:55:38,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 110 transitions, 732 flow, removed 3 selfloop flow, removed 3 redundant places. [2020-10-16 05:55:38,052 INFO L241 Difference]: Finished difference. Result has 74 places, 61 transitions, 449 flow [2020-10-16 05:55:38,052 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=449, PETRI_PLACES=74, PETRI_TRANSITIONS=61} [2020-10-16 05:55:38,052 INFO L342 CegarLoopForPetriNet]: 27 programPoint places, 47 predicate places. [2020-10-16 05:55:38,052 INFO L481 AbstractCegarLoop]: Abstraction has has 74 places, 61 transitions, 449 flow [2020-10-16 05:55:38,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 05:55:38,052 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:55:38,053 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:55:38,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 05:55:38,053 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 05:55:38,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:55:38,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1153858737, now seen corresponding path program 3 times [2020-10-16 05:55:38,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:55:38,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696195956] [2020-10-16 05:55:38,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:55:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:55:38,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:55:38,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696195956] [2020-10-16 05:55:38,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:55:38,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-16 05:55:38,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437606046] [2020-10-16 05:55:38,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 05:55:38,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:55:38,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 05:55:38,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 05:55:38,405 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 246 [2020-10-16 05:55:38,405 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 61 transitions, 449 flow. Second operand 12 states. [2020-10-16 05:55:38,405 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:55:38,406 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 246 [2020-10-16 05:55:38,406 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:55:39,420 INFO L129 PetriNetUnfolder]: 266/525 cut-off events. [2020-10-16 05:55:39,420 INFO L130 PetriNetUnfolder]: For 1578/1580 co-relation queries the response was YES. [2020-10-16 05:55:39,423 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2025 conditions, 525 events. 266/525 cut-off events. For 1578/1580 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1934 event pairs, 108 based on Foata normal form. 13/507 useless extension candidates. Maximal degree in co-relation 1999. Up to 348 conditions per place. [2020-10-16 05:55:39,427 INFO L132 encePairwiseOnDemand]: 233/246 looper letters, 57 selfloop transitions, 34 changer transitions 15/109 dead transitions. [2020-10-16 05:55:39,427 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 109 transitions, 1013 flow [2020-10-16 05:55:39,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-16 05:55:39,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-16 05:55:39,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1791 transitions. [2020-10-16 05:55:39,434 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.45503048780487804 [2020-10-16 05:55:39,434 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1791 transitions. [2020-10-16 05:55:39,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1791 transitions. [2020-10-16 05:55:39,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:55:39,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1791 transitions. [2020-10-16 05:55:39,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 17 states. [2020-10-16 05:55:39,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 17 states. [2020-10-16 05:55:39,444 INFO L81 ComplementDD]: Finished complementDD. Result 17 states. [2020-10-16 05:55:39,444 INFO L185 Difference]: Start difference. First operand has 74 places, 61 transitions, 449 flow. Second operand 16 states and 1791 transitions. [2020-10-16 05:55:39,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 109 transitions, 1013 flow [2020-10-16 05:55:39,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 109 transitions, 890 flow, removed 29 selfloop flow, removed 7 redundant places. [2020-10-16 05:55:39,456 INFO L241 Difference]: Finished difference. Result has 90 places, 76 transitions, 649 flow [2020-10-16 05:55:39,456 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=649, PETRI_PLACES=90, PETRI_TRANSITIONS=76} [2020-10-16 05:55:39,456 INFO L342 CegarLoopForPetriNet]: 27 programPoint places, 63 predicate places. [2020-10-16 05:55:39,457 INFO L481 AbstractCegarLoop]: Abstraction has has 90 places, 76 transitions, 649 flow [2020-10-16 05:55:39,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 05:55:39,457 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:55:39,457 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:55:39,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 05:55:39,457 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 05:55:39,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:55:39,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1637083869, now seen corresponding path program 4 times [2020-10-16 05:55:39,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:55:39,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947958598] [2020-10-16 05:55:39,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:55:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:55:39,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:55:39,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947958598] [2020-10-16 05:55:39,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:55:39,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-16 05:55:39,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774298721] [2020-10-16 05:55:39,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 05:55:39,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:55:39,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 05:55:39,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-16 05:55:39,837 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 246 [2020-10-16 05:55:39,838 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 76 transitions, 649 flow. Second operand 12 states. [2020-10-16 05:55:39,838 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:55:39,838 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 246 [2020-10-16 05:55:39,838 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:55:40,795 INFO L129 PetriNetUnfolder]: 272/536 cut-off events. [2020-10-16 05:55:40,795 INFO L130 PetriNetUnfolder]: For 2078/2078 co-relation queries the response was YES. [2020-10-16 05:55:40,798 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2225 conditions, 536 events. 272/536 cut-off events. For 2078/2078 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1963 event pairs, 97 based on Foata normal form. 10/515 useless extension candidates. Maximal degree in co-relation 2190. Up to 355 conditions per place. [2020-10-16 05:55:40,802 INFO L132 encePairwiseOnDemand]: 233/246 looper letters, 62 selfloop transitions, 38 changer transitions 16/119 dead transitions. [2020-10-16 05:55:40,802 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 119 transitions, 1185 flow [2020-10-16 05:55:40,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 05:55:40,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-16 05:55:40,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1577 transitions. [2020-10-16 05:55:40,808 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.45789779326364694 [2020-10-16 05:55:40,808 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1577 transitions. [2020-10-16 05:55:40,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1577 transitions. [2020-10-16 05:55:40,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:55:40,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1577 transitions. [2020-10-16 05:55:40,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-16 05:55:40,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-16 05:55:40,817 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-16 05:55:40,818 INFO L185 Difference]: Start difference. First operand has 90 places, 76 transitions, 649 flow. Second operand 14 states and 1577 transitions. [2020-10-16 05:55:40,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 119 transitions, 1185 flow [2020-10-16 05:55:40,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 119 transitions, 1116 flow, removed 28 selfloop flow, removed 6 redundant places. [2020-10-16 05:55:40,834 INFO L241 Difference]: Finished difference. Result has 103 places, 88 transitions, 889 flow [2020-10-16 05:55:40,834 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=889, PETRI_PLACES=103, PETRI_TRANSITIONS=88} [2020-10-16 05:55:40,834 INFO L342 CegarLoopForPetriNet]: 27 programPoint places, 76 predicate places. [2020-10-16 05:55:40,834 INFO L481 AbstractCegarLoop]: Abstraction has has 103 places, 88 transitions, 889 flow [2020-10-16 05:55:40,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 05:55:40,835 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:55:40,835 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:55:40,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 05:55:40,835 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 05:55:40,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:55:40,836 INFO L82 PathProgramCache]: Analyzing trace with hash 982820159, now seen corresponding path program 5 times [2020-10-16 05:55:40,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:55:40,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082779544] [2020-10-16 05:55:40,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:55:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:55:40,952 ERROR L253 erpolLogProxyWrapper]: Interpolant 12 not inductive [2020-10-16 05:55:40,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 05:55:40,956 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:876) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:360) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-16 05:55:40,964 INFO L168 Benchmark]: Toolchain (without parser) took 11123.48 ms. Allocated memory was 253.2 MB in the beginning and 521.1 MB in the end (delta: 267.9 MB). Free memory was 208.6 MB in the beginning and 352.5 MB in the end (delta: -143.9 MB). Peak memory consumption was 124.0 MB. Max. memory is 14.2 GB. [2020-10-16 05:55:40,964 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 05:55:40,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.60 ms. Allocated memory was 253.2 MB in the beginning and 318.2 MB in the end (delta: 65.0 MB). Free memory was 208.6 MB in the beginning and 261.3 MB in the end (delta: -52.7 MB). Peak memory consumption was 30.3 MB. Max. memory is 14.2 GB. [2020-10-16 05:55:40,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.41 ms. Allocated memory is still 318.2 MB. Free memory was 261.3 MB in the beginning and 258.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 05:55:40,968 INFO L168 Benchmark]: Boogie Preprocessor took 42.40 ms. Allocated memory is still 318.2 MB. Free memory was 258.8 MB in the beginning and 256.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 05:55:40,969 INFO L168 Benchmark]: RCFGBuilder took 506.24 ms. Allocated memory is still 318.2 MB. Free memory was 256.3 MB in the beginning and 224.4 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 14.2 GB. [2020-10-16 05:55:40,969 INFO L168 Benchmark]: TraceAbstraction took 9844.30 ms. Allocated memory was 318.2 MB in the beginning and 521.1 MB in the end (delta: 202.9 MB). Free memory was 224.4 MB in the beginning and 352.5 MB in the end (delta: -128.1 MB). Peak memory consumption was 74.8 MB. Max. memory is 14.2 GB. [2020-10-16 05:55:40,973 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 667.60 ms. Allocated memory was 253.2 MB in the beginning and 318.2 MB in the end (delta: 65.0 MB). Free memory was 208.6 MB in the beginning and 261.3 MB in the end (delta: -52.7 MB). Peak memory consumption was 30.3 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 58.41 ms. Allocated memory is still 318.2 MB. Free memory was 261.3 MB in the beginning and 258.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 42.40 ms. Allocated memory is still 318.2 MB. Free memory was 258.8 MB in the beginning and 256.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 506.24 ms. Allocated memory is still 318.2 MB. Free memory was 256.3 MB in the beginning and 224.4 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 14.2 GB. * TraceAbstraction took 9844.30 ms. Allocated memory was 318.2 MB in the beginning and 521.1 MB in the end (delta: 202.9 MB). Free memory was 224.4 MB in the beginning and 352.5 MB in the end (delta: -128.1 MB). Peak memory consumption was 74.8 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3437 VarBasedMoverChecksPositive, 86 VarBasedMoverChecksNegative, 25 SemBasedMoverChecksPositive, 61 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 169 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.8s, 113 PlacesBefore, 27 PlacesAfterwards, 119 TransitionsBefore, 29 TransitionsAfterwards, 4968 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 84 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 18 ConcurrentYvCompositions, 4 ChoiceCompositions, 118 TotalNumberOfCompositions, 6517 MoverChecksTotal - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...