/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-OGIterative-CovSimpl.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 07:15:44,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 07:15:44,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 07:15:44,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 07:15:44,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 07:15:44,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 07:15:44,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 07:15:44,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 07:15:44,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 07:15:44,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 07:15:44,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 07:15:44,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 07:15:44,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 07:15:44,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 07:15:44,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 07:15:44,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 07:15:44,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 07:15:44,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 07:15:44,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 07:15:44,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 07:15:44,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 07:15:44,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 07:15:44,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 07:15:44,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 07:15:44,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 07:15:44,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 07:15:44,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 07:15:44,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 07:15:44,395 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-NoLbe-OGIterative-CovSimpl.epf [2021-08-13 07:15:44,421 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 07:15:44,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 07:15:44,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 07:15:44,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 07:15:44,424 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 07:15:44,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 07:15:44,425 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 07:15:44,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 07:15:44,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 07:15:44,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 07:15:44,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 07:15:44,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 07:15:44,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 07:15:44,426 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 07:15:44,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 07:15:44,426 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 07:15:44,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 07:15:44,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 07:15:44,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 07:15:44,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 07:15:44,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 07:15:44,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 07:15:44,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 07:15:44,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 07:15:44,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 07:15:44,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 07:15:44,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 07:15:44,428 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 07:15:44,428 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 07:15:44,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 07:15:44,428 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 07:15:44,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-13 07:15:44,428 INFO L138 SettingsManager]: * Simplify away covered predicates in OwickiGries annotation=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 07:15:44,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 07:15:44,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 07:15:44,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 07:15:44,674 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-13 07:15:44,674 INFO L275 PluginConnector]: CDTParser initialized [2021-08-13 07:15:44,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i [2021-08-13 07:15:44,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ebf0c26a/78306d8c48fe438ebb5c5d43ad42b23b/FLAG88bff2cb1 [2021-08-13 07:15:45,159 INFO L306 CDTParser]: Found 1 translation units. [2021-08-13 07:15:45,159 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i [2021-08-13 07:15:45,172 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ebf0c26a/78306d8c48fe438ebb5c5d43ad42b23b/FLAG88bff2cb1 [2021-08-13 07:15:45,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ebf0c26a/78306d8c48fe438ebb5c5d43ad42b23b [2021-08-13 07:15:45,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 07:15:45,192 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-13 07:15:45,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-13 07:15:45,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-13 07:15:45,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-13 07:15:45,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 07:15:45" (1/1) ... [2021-08-13 07:15:45,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1353b46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:15:45, skipping insertion in model container [2021-08-13 07:15:45,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 07:15:45" (1/1) ... [2021-08-13 07:15:45,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-13 07:15:45,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-13 07:15:45,356 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-13 07:15:45,569 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i[39095,39108] [2021-08-13 07:15:45,573 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i[39180,39193] [2021-08-13 07:15:45,574 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i[39232,39245] [2021-08-13 07:15:45,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 07:15:45,586 INFO L203 MainTranslator]: Completed pre-run [2021-08-13 07:15:45,598 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-13 07:15:45,619 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i[39095,39108] [2021-08-13 07:15:45,619 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i[39180,39193] [2021-08-13 07:15:45,620 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i[39232,39245] [2021-08-13 07:15:45,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 07:15:45,687 INFO L208 MainTranslator]: Completed translation [2021-08-13 07:15:45,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:15:45 WrapperNode [2021-08-13 07:15:45,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-13 07:15:45,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 07:15:45,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 07:15:45,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 07:15:45,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:15:45" (1/1) ... [2021-08-13 07:15:45,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:15:45" (1/1) ... [2021-08-13 07:15:45,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 07:15:45,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 07:15:45,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 07:15:45,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 07:15:45,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:15:45" (1/1) ... [2021-08-13 07:15:45,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:15:45" (1/1) ... [2021-08-13 07:15:45,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:15:45" (1/1) ... [2021-08-13 07:15:45,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:15:45" (1/1) ... [2021-08-13 07:15:45,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:15:45" (1/1) ... [2021-08-13 07:15:45,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:15:45" (1/1) ... [2021-08-13 07:15:45,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:15:45" (1/1) ... [2021-08-13 07:15:45,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 07:15:45,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 07:15:45,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 07:15:45,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 07:15:45,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:15:45" (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 [2021-08-13 07:15:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure reader_fn [2021-08-13 07:15:45,827 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_fn [2021-08-13 07:15:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-13 07:15:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-13 07:15:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-13 07:15:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-13 07:15:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-13 07:15:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 07:15:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 07:15:45,833 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 07:15:46,256 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 07:15:46,256 INFO L299 CfgBuilder]: Removed 19 assume(true) statements. [2021-08-13 07:15:46,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 07:15:46 BoogieIcfgContainer [2021-08-13 07:15:46,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 07:15:46,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 07:15:46,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 07:15:46,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 07:15:46,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 07:15:45" (1/3) ... [2021-08-13 07:15:46,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58fd94df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 07:15:46, skipping insertion in model container [2021-08-13 07:15:46,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:15:45" (2/3) ... [2021-08-13 07:15:46,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58fd94df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 07:15:46, skipping insertion in model container [2021-08-13 07:15:46,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 07:15:46" (3/3) ... [2021-08-13 07:15:46,262 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_1w1r-2.i [2021-08-13 07:15:46,266 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 07:15:46,266 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-13 07:15:46,267 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 07:15:46,290 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,290 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,290 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,290 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,290 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,290 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,291 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,291 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,291 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,291 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,291 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,291 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,291 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,291 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,291 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,291 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,291 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,292 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,292 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,292 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,292 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,293 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,293 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,293 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,293 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,293 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,293 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,293 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,293 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,293 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,294 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,294 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,294 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,294 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,295 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,295 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,296 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,296 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,296 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,296 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,296 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,296 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,296 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,296 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,296 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,297 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,297 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,297 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,297 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,297 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,297 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,297 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,297 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,297 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,297 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,297 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,297 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,298 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,298 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,298 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,298 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,298 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,298 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,298 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,298 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,299 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,299 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,299 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,299 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,299 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,299 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,299 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,299 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,299 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,299 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,299 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,299 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,300 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,300 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,300 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,300 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,300 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,300 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,300 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,300 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,300 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,300 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,301 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,301 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,301 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,301 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,302 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,302 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,302 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,302 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,303 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,304 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,305 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,305 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,305 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,308 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,308 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,309 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,309 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,309 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,309 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,310 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,310 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,310 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,310 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,310 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,310 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,311 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,311 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,311 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,311 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,311 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,311 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,312 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,312 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,312 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,312 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,312 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,312 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,312 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,313 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,313 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,313 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,313 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,313 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,313 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,313 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,313 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,313 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,313 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,313 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,313 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,313 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,314 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,314 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,314 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,314 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,314 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,314 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,314 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,314 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,314 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,314 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,314 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,314 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,315 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,315 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,315 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,315 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,315 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,315 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,315 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,315 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,315 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,315 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,315 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,316 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,316 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,316 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,316 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,316 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,316 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,316 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,316 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,316 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,316 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,317 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,317 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,317 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,317 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,317 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,317 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,317 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,317 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,317 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,317 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,317 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,317 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,317 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,317 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,317 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,318 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,318 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,318 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,318 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,318 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,318 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,318 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,318 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,318 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,318 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,318 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,318 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,318 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,318 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,319 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,319 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,319 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,319 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,319 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,319 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,320 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,320 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,320 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,320 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,320 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,320 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,320 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,320 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,320 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,320 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,320 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,320 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,321 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,321 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,321 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,321 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,321 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,323 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,324 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,324 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,324 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,329 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,330 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,330 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,330 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,330 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,330 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,330 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,330 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,330 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,330 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,330 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,330 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,331 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,331 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,331 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,331 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,331 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,331 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,331 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,331 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,331 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,331 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,331 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,332 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,332 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,332 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,332 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,332 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,332 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,334 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,334 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,334 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,334 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,334 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,334 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,335 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,335 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,335 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,335 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,335 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,335 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,335 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,335 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,335 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,335 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,335 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,335 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,336 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,336 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,336 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,336 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,336 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,336 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,336 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,336 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,336 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,336 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,336 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:15:46,341 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-08-13 07:15:46,356 INFO L255 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-08-13 07:15:46,375 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 07:15:46,375 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 07:15:46,375 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 07:15:46,375 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 07:15:46,375 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 07:15:46,375 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 07:15:46,376 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 07:15:46,376 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 07:15:46,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 136 places, 142 transitions, 292 flow [2021-08-13 07:15:46,437 INFO L129 PetriNetUnfolder]: 10/141 cut-off events. [2021-08-13 07:15:46,437 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-08-13 07:15:46,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 141 events. 10/141 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 247 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 106. Up to 2 conditions per place. [2021-08-13 07:15:46,451 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 142 transitions, 292 flow [2021-08-13 07:15:46,454 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 133 transitions, 269 flow [2021-08-13 07:15:46,460 INFO L129 PetriNetUnfolder]: 3/50 cut-off events. [2021-08-13 07:15:46,460 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 07:15:46,460 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:15:46,461 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:15:46,461 INFO L430 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]=== [2021-08-13 07:15:46,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:15:46,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1950975089, now seen corresponding path program 1 times [2021-08-13 07:15:46,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:15:46,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910992283] [2021-08-13 07:15:46,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:15:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:15:46,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:46,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:15:46,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:46,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:15:46,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:15:46,641 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:15:46,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910992283] [2021-08-13 07:15:46,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910992283] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:15:46,642 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:15:46,642 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-13 07:15:46,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402662575] [2021-08-13 07:15:46,649 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-08-13 07:15:46,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:15:46,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-13 07:15:46,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-13 07:15:46,663 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 142 [2021-08-13 07:15:46,666 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 133 transitions, 269 flow. Second operand has 2 states, 2 states have (on average 136.5) internal successors, (273), 2 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:46,667 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:15:46,667 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 142 [2021-08-13 07:15:46,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:15:46,718 INFO L129 PetriNetUnfolder]: 4/127 cut-off events. [2021-08-13 07:15:46,718 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 07:15:46,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 127 events. 4/127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 194 event pairs, 0 based on Foata normal form. 6/126 useless extension candidates. Maximal degree in co-relation 129. Up to 2 conditions per place. [2021-08-13 07:15:46,720 INFO L132 encePairwiseOnDemand]: 136/142 looper letters, 0 selfloop transitions, 0 changer transitions 0/127 dead transitions. [2021-08-13 07:15:46,720 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 127 transitions, 257 flow [2021-08-13 07:15:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-13 07:15:46,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-08-13 07:15:46,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 278 transitions. [2021-08-13 07:15:46,728 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9788732394366197 [2021-08-13 07:15:46,728 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 278 transitions. [2021-08-13 07:15:46,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 278 transitions. [2021-08-13 07:15:46,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:15:46,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 278 transitions. [2021-08-13 07:15:46,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 139.0) internal successors, (278), 2 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:46,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:46,736 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:46,737 INFO L348 CegarLoopForPetriNet]: 127 programPoint places, 1 predicate places. [2021-08-13 07:15:46,737 INFO L482 AbstractCegarLoop]: Abstraction has has 128 places, 127 transitions, 257 flow [2021-08-13 07:15:46,737 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 136.5) internal successors, (273), 2 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:46,737 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:15:46,737 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:15:46,737 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 07:15:46,738 INFO L430 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]=== [2021-08-13 07:15:46,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:15:46,738 INFO L82 PathProgramCache]: Analyzing trace with hash -350717078, now seen corresponding path program 1 times [2021-08-13 07:15:46,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:15:46,738 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938675774] [2021-08-13 07:15:46,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:15:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:15:46,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:46,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:15:46,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:46,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:15:46,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:46,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:15:46,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:15:46,793 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:15:46,793 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938675774] [2021-08-13 07:15:46,793 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938675774] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:15:46,794 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:15:46,794 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 07:15:46,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034829934] [2021-08-13 07:15:46,795 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-13 07:15:46,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:15:46,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-13 07:15:46,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-13 07:15:46,796 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 142 [2021-08-13 07:15:46,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 127 transitions, 257 flow. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:46,797 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:15:46,797 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 142 [2021-08-13 07:15:46,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:15:46,838 INFO L129 PetriNetUnfolder]: 5/166 cut-off events. [2021-08-13 07:15:46,839 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-08-13 07:15:46,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 166 events. 5/166 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 146 event pairs, 0 based on Foata normal form. 0/157 useless extension candidates. Maximal degree in co-relation 177. Up to 7 conditions per place. [2021-08-13 07:15:46,840 INFO L132 encePairwiseOnDemand]: 139/142 looper letters, 7 selfloop transitions, 2 changer transitions 0/130 dead transitions. [2021-08-13 07:15:46,840 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 130 transitions, 281 flow [2021-08-13 07:15:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-13 07:15:46,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-13 07:15:46,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 400 transitions. [2021-08-13 07:15:46,843 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9389671361502347 [2021-08-13 07:15:46,843 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 400 transitions. [2021-08-13 07:15:46,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 400 transitions. [2021-08-13 07:15:46,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:15:46,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 400 transitions. [2021-08-13 07:15:46,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:46,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:46,846 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:46,847 INFO L348 CegarLoopForPetriNet]: 127 programPoint places, 3 predicate places. [2021-08-13 07:15:46,847 INFO L482 AbstractCegarLoop]: Abstraction has has 130 places, 130 transitions, 281 flow [2021-08-13 07:15:46,847 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:46,847 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:15:46,847 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:15:46,847 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 07:15:46,847 INFO L430 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]=== [2021-08-13 07:15:46,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:15:46,848 INFO L82 PathProgramCache]: Analyzing trace with hash 225905160, now seen corresponding path program 1 times [2021-08-13 07:15:46,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:15:46,848 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308379855] [2021-08-13 07:15:46,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:15:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:15:46,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:46,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:15:46,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:46,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 07:15:46,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:46,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 07:15:46,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:46,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:15:46,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:46,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:15:47,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:47,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:15:47,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:47,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 07:15:47,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:47,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 07:15:47,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:47,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:15:47,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:47,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:15:47,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:47,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:15:47,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:47,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:15:47,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:47,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:15:47,166 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-08-13 07:15:47,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:15:47,179 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 07:15:47,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:15:47,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:47,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:15:47,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:47,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:15:47,224 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 07:15:47,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 07:15:47,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:47,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:15:47,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:15:47,249 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:15:47,249 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308379855] [2021-08-13 07:15:47,249 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308379855] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:15:47,249 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:15:47,249 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 07:15:47,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694541048] [2021-08-13 07:15:47,249 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 07:15:47,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:15:47,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 07:15:47,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2021-08-13 07:15:47,252 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 142 [2021-08-13 07:15:47,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 130 transitions, 281 flow. Second operand has 19 states, 19 states have (on average 71.21052631578948) internal successors, (1353), 19 states have internal predecessors, (1353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:47,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:15:47,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 142 [2021-08-13 07:15:47,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:15:48,276 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-08-13 07:15:49,248 INFO L129 PetriNetUnfolder]: 599/1871 cut-off events. [2021-08-13 07:15:49,248 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-08-13 07:15:49,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3071 conditions, 1871 events. 599/1871 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 11581 event pairs, 252 based on Foata normal form. 0/1758 useless extension candidates. Maximal degree in co-relation 3066. Up to 766 conditions per place. [2021-08-13 07:15:49,257 INFO L132 encePairwiseOnDemand]: 120/142 looper letters, 144 selfloop transitions, 36 changer transitions 11/258 dead transitions. [2021-08-13 07:15:49,257 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 258 transitions, 919 flow [2021-08-13 07:15:49,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-13 07:15:49,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-08-13 07:15:49,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 1780 transitions. [2021-08-13 07:15:49,262 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.545009185548071 [2021-08-13 07:15:49,262 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 1780 transitions. [2021-08-13 07:15:49,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 1780 transitions. [2021-08-13 07:15:49,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:15:49,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 1780 transitions. [2021-08-13 07:15:49,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 77.3913043478261) internal successors, (1780), 23 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:49,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 142.0) internal successors, (3408), 24 states have internal predecessors, (3408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:49,272 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 142.0) internal successors, (3408), 24 states have internal predecessors, (3408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:49,272 INFO L348 CegarLoopForPetriNet]: 127 programPoint places, 25 predicate places. [2021-08-13 07:15:49,272 INFO L482 AbstractCegarLoop]: Abstraction has has 152 places, 258 transitions, 919 flow [2021-08-13 07:15:49,273 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 71.21052631578948) internal successors, (1353), 19 states have internal predecessors, (1353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:49,273 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:15:49,273 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:15:49,273 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 07:15:49,273 INFO L430 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]=== [2021-08-13 07:15:49,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:15:49,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1622989073, now seen corresponding path program 1 times [2021-08-13 07:15:49,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:15:49,274 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636559918] [2021-08-13 07:15:49,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:15:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:15:49,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:49,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:15:49,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:49,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 07:15:49,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:49,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 07:15:49,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:49,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:15:49,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:49,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:15:49,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:49,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:15:49,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:49,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:15:49,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:49,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:15:49,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:49,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 07:15:49,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:49,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:15:49,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:49,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:15:49,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:49,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:15:49,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:49,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:15:49,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:49,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:15:49,589 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-08-13 07:15:49,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 07:15:49,611 INFO L142 QuantifierPusher]: treesize reduction 17, result has 67.3 percent of original size [2021-08-13 07:15:49,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 07:15:49,633 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-08-13 07:15:49,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 07:15:49,655 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-08-13 07:15:49,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 07:15:49,695 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-08-13 07:15:49,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 07:15:49,723 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-08-13 07:15:49,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 07:15:49,753 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-08-13 07:15:49,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 07:15:49,783 INFO L142 QuantifierPusher]: treesize reduction 43, result has 51.1 percent of original size [2021-08-13 07:15:49,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 07:15:49,819 INFO L142 QuantifierPusher]: treesize reduction 43, result has 48.8 percent of original size [2021-08-13 07:15:49,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-13 07:15:49,855 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 07:15:49,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:15:49,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:49,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:15:49,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:49,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:15:49,921 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 07:15:49,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 07:15:49,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:49,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:15:49,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:15:49,956 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:15:49,956 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636559918] [2021-08-13 07:15:49,956 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636559918] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:15:49,956 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:15:49,957 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-13 07:15:49,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916290861] [2021-08-13 07:15:49,957 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-08-13 07:15:49,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:15:49,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-13 07:15:49,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-08-13 07:15:49,960 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 142 [2021-08-13 07:15:49,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 258 transitions, 919 flow. Second operand has 28 states, 28 states have (on average 60.0) internal successors, (1680), 28 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:49,962 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:15:49,962 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 142 [2021-08-13 07:15:49,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:15:51,482 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 63 [2021-08-13 07:15:51,672 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 68 [2021-08-13 07:15:52,001 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 72 [2021-08-13 07:15:52,257 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 76 [2021-08-13 07:15:52,488 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 78 [2021-08-13 07:15:52,754 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 78 [2021-08-13 07:15:53,104 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 81 [2021-08-13 07:15:53,496 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-08-13 07:15:53,857 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-08-13 07:15:54,224 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 82 [2021-08-13 07:15:54,992 INFO L129 PetriNetUnfolder]: 1649/4538 cut-off events. [2021-08-13 07:15:54,993 INFO L130 PetriNetUnfolder]: For 820/832 co-relation queries the response was YES. [2021-08-13 07:15:55,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10141 conditions, 4538 events. 1649/4538 cut-off events. For 820/832 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 30431 event pairs, 363 based on Foata normal form. 0/4274 useless extension candidates. Maximal degree in co-relation 10135. Up to 1819 conditions per place. [2021-08-13 07:15:55,019 INFO L132 encePairwiseOnDemand]: 108/142 looper letters, 408 selfloop transitions, 131 changer transitions 11/606 dead transitions. [2021-08-13 07:15:55,019 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 606 transitions, 3319 flow [2021-08-13 07:15:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-13 07:15:55,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2021-08-13 07:15:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 2669 transitions. [2021-08-13 07:15:55,025 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4698943661971831 [2021-08-13 07:15:55,025 INFO L72 ComplementDD]: Start complementDD. Operand 40 states and 2669 transitions. [2021-08-13 07:15:55,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 2669 transitions. [2021-08-13 07:15:55,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:15:55,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 40 states and 2669 transitions. [2021-08-13 07:15:55,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 41 states, 40 states have (on average 66.725) internal successors, (2669), 40 states have internal predecessors, (2669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:55,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 41 states, 41 states have (on average 142.0) internal successors, (5822), 41 states have internal predecessors, (5822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:55,039 INFO L81 ComplementDD]: Finished complementDD. Result has 41 states, 41 states have (on average 142.0) internal successors, (5822), 41 states have internal predecessors, (5822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:55,039 INFO L348 CegarLoopForPetriNet]: 127 programPoint places, 64 predicate places. [2021-08-13 07:15:55,039 INFO L482 AbstractCegarLoop]: Abstraction has has 191 places, 606 transitions, 3319 flow [2021-08-13 07:15:55,040 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 60.0) internal successors, (1680), 28 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:55,040 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:15:55,040 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:15:55,040 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-13 07:15:55,040 INFO L430 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]=== [2021-08-13 07:15:55,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:15:55,041 INFO L82 PathProgramCache]: Analyzing trace with hash 477098457, now seen corresponding path program 2 times [2021-08-13 07:15:55,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:15:55,041 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875373369] [2021-08-13 07:15:55,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:15:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:15:55,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:55,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:15:55,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:55,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 07:15:55,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:55,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 07:15:55,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:55,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:15:55,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:55,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:15:55,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:55,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:15:55,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:55,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:15:55,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:55,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:15:55,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:55,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 07:15:55,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:55,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:15:55,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:55,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:15:55,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:55,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:15:55,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:55,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:15:55,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:55,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:15:55,354 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-08-13 07:15:55,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 07:15:55,372 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-08-13 07:15:55,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:15:55,391 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-08-13 07:15:55,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:15:55,423 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-08-13 07:15:55,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:15:55,444 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-08-13 07:15:55,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:15:55,470 INFO L142 QuantifierPusher]: treesize reduction 37, result has 53.8 percent of original size [2021-08-13 07:15:55,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 07:15:55,507 INFO L142 QuantifierPusher]: treesize reduction 36, result has 56.6 percent of original size [2021-08-13 07:15:55,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 07:15:55,555 INFO L142 QuantifierPusher]: treesize reduction 33, result has 57.7 percent of original size [2021-08-13 07:15:55,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 07:15:55,601 INFO L142 QuantifierPusher]: treesize reduction 23, result has 78.3 percent of original size [2021-08-13 07:15:55,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-08-13 07:15:55,647 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 07:15:55,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:15:55,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:55,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:15:55,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:55,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:15:55,706 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 07:15:55,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 07:15:55,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:15:55,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:15:55,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:15:55,739 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:15:55,739 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875373369] [2021-08-13 07:15:55,739 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875373369] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:15:55,739 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:15:55,739 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-13 07:15:55,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255093630] [2021-08-13 07:15:55,739 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-08-13 07:15:55,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:15:55,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-13 07:15:55,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=683, Unknown=0, NotChecked=0, Total=756 [2021-08-13 07:15:55,742 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 142 [2021-08-13 07:15:55,743 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 606 transitions, 3319 flow. Second operand has 28 states, 28 states have (on average 59.035714285714285) internal successors, (1653), 28 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:15:55,743 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:15:55,743 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 142 [2021-08-13 07:15:55,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:15:57,088 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 63 [2021-08-13 07:15:57,249 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2021-08-13 07:15:57,529 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 64 [2021-08-13 07:15:57,659 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2021-08-13 07:15:57,960 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 67 [2021-08-13 07:15:58,112 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 68 [2021-08-13 07:15:58,279 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2021-08-13 07:15:58,449 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 65 [2021-08-13 07:15:58,623 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2021-08-13 07:15:58,826 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 70 [2021-08-13 07:15:58,974 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2021-08-13 07:15:59,197 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2021-08-13 07:15:59,420 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 75 [2021-08-13 07:15:59,599 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-08-13 07:15:59,802 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-08-13 07:15:59,995 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 76 [2021-08-13 07:16:00,250 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2021-08-13 07:16:00,425 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 78 [2021-08-13 07:16:00,662 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-08-13 07:16:00,846 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 80 [2021-08-13 07:16:01,108 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 83 [2021-08-13 07:16:01,363 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 81 [2021-08-13 07:16:01,620 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 82 [2021-08-13 07:16:01,851 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 84 [2021-08-13 07:16:02,239 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 87 [2021-08-13 07:16:02,695 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 85 [2021-08-13 07:16:03,118 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2021-08-13 07:16:04,194 INFO L129 PetriNetUnfolder]: 2720/6972 cut-off events. [2021-08-13 07:16:04,194 INFO L130 PetriNetUnfolder]: For 2383/2445 co-relation queries the response was YES. [2021-08-13 07:16:04,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21142 conditions, 6972 events. 2720/6972 cut-off events. For 2383/2445 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 50431 event pairs, 387 based on Foata normal form. 6/6618 useless extension candidates. Maximal degree in co-relation 21135. Up to 2777 conditions per place. [2021-08-13 07:16:04,231 INFO L132 encePairwiseOnDemand]: 108/142 looper letters, 964 selfloop transitions, 269 changer transitions 34/1322 dead transitions. [2021-08-13 07:16:04,232 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 1322 transitions, 9699 flow [2021-08-13 07:16:04,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-08-13 07:16:04,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2021-08-13 07:16:04,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 3821 transitions. [2021-08-13 07:16:04,238 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4639388052452647 [2021-08-13 07:16:04,238 INFO L72 ComplementDD]: Start complementDD. Operand 58 states and 3821 transitions. [2021-08-13 07:16:04,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 3821 transitions. [2021-08-13 07:16:04,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:16:04,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 58 states and 3821 transitions. [2021-08-13 07:16:04,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 59 states, 58 states have (on average 65.87931034482759) internal successors, (3821), 58 states have internal predecessors, (3821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:04,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 59 states, 59 states have (on average 142.0) internal successors, (8378), 59 states have internal predecessors, (8378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:04,255 INFO L81 ComplementDD]: Finished complementDD. Result has 59 states, 59 states have (on average 142.0) internal successors, (8378), 59 states have internal predecessors, (8378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:04,256 INFO L348 CegarLoopForPetriNet]: 127 programPoint places, 121 predicate places. [2021-08-13 07:16:04,256 INFO L482 AbstractCegarLoop]: Abstraction has has 248 places, 1322 transitions, 9699 flow [2021-08-13 07:16:04,256 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 59.035714285714285) internal successors, (1653), 28 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:04,256 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:16:04,256 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:16:04,256 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-13 07:16:04,257 INFO L430 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]=== [2021-08-13 07:16:04,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:16:04,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1195987857, now seen corresponding path program 3 times [2021-08-13 07:16:04,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:16:04,257 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373081089] [2021-08-13 07:16:04,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:16:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:16:04,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:04,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:16:04,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:04,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 07:16:04,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:04,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 07:16:04,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:04,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:16:04,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:04,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:16:04,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:04,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:16:04,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:04,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:16:04,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:04,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:16:04,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:04,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 07:16:04,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:04,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:04,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:04,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:04,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:04,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:04,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:04,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:04,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:04,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:04,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:04,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:04,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:04,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:04,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:04,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:04,556 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.1 percent of original size [2021-08-13 07:16:04,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:16:04,575 INFO L142 QuantifierPusher]: treesize reduction 8, result has 80.5 percent of original size [2021-08-13 07:16:04,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 07:16:04,597 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-08-13 07:16:04,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 07:16:04,617 INFO L142 QuantifierPusher]: treesize reduction 20, result has 70.6 percent of original size [2021-08-13 07:16:04,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-08-13 07:16:04,669 INFO L142 QuantifierPusher]: treesize reduction 20, result has 68.8 percent of original size [2021-08-13 07:16:04,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:16:04,707 INFO L142 QuantifierPusher]: treesize reduction 36, result has 66.4 percent of original size [2021-08-13 07:16:04,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-08-13 07:16:04,748 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 07:16:04,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:16:04,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:04,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:16:04,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:04,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:16:04,806 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 07:16:04,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 07:16:04,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:04,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:16:04,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:16:04,837 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:16:04,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373081089] [2021-08-13 07:16:04,837 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373081089] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:16:04,837 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:16:04,837 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-13 07:16:04,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752491204] [2021-08-13 07:16:04,838 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-08-13 07:16:04,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:16:04,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-13 07:16:04,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-08-13 07:16:04,839 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 142 [2021-08-13 07:16:04,840 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 1322 transitions, 9699 flow. Second operand has 28 states, 28 states have (on average 59.035714285714285) internal successors, (1653), 28 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:04,841 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:16:04,841 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 142 [2021-08-13 07:16:04,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:16:05,602 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 53 [2021-08-13 07:16:05,995 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 61 [2021-08-13 07:16:06,272 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2021-08-13 07:16:06,517 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2021-08-13 07:16:06,734 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 69 [2021-08-13 07:16:06,944 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-08-13 07:16:07,143 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-08-13 07:16:07,328 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 76 [2021-08-13 07:16:07,536 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 78 [2021-08-13 07:16:07,744 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-08-13 07:16:07,966 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2021-08-13 07:16:08,156 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-08-13 07:16:08,408 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-08-13 07:16:08,590 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 73 [2021-08-13 07:16:08,852 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 81 [2021-08-13 07:16:09,066 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 78 [2021-08-13 07:16:09,274 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-08-13 07:16:09,470 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-08-13 07:16:09,698 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 84 [2021-08-13 07:16:09,917 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-08-13 07:16:10,237 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2021-08-13 07:16:10,634 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-08-13 07:16:12,212 INFO L129 PetriNetUnfolder]: 3634/9034 cut-off events. [2021-08-13 07:16:12,212 INFO L130 PetriNetUnfolder]: For 4750/4931 co-relation queries the response was YES. [2021-08-13 07:16:12,222 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34892 conditions, 9034 events. 3634/9034 cut-off events. For 4750/4931 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 68335 event pairs, 383 based on Foata normal form. 22/8611 useless extension candidates. Maximal degree in co-relation 34884. Up to 3597 conditions per place. [2021-08-13 07:16:12,255 INFO L132 encePairwiseOnDemand]: 108/142 looper letters, 1623 selfloop transitions, 301 changer transitions 44/2023 dead transitions. [2021-08-13 07:16:12,255 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 2023 transitions, 18695 flow [2021-08-13 07:16:12,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-13 07:16:12,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2021-08-13 07:16:12,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 3332 transitions. [2021-08-13 07:16:12,258 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4692957746478873 [2021-08-13 07:16:12,258 INFO L72 ComplementDD]: Start complementDD. Operand 50 states and 3332 transitions. [2021-08-13 07:16:12,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 3332 transitions. [2021-08-13 07:16:12,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:16:12,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 50 states and 3332 transitions. [2021-08-13 07:16:12,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 51 states, 50 states have (on average 66.64) internal successors, (3332), 50 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:12,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 51 states, 51 states have (on average 142.0) internal successors, (7242), 51 states have internal predecessors, (7242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:12,269 INFO L81 ComplementDD]: Finished complementDD. Result has 51 states, 51 states have (on average 142.0) internal successors, (7242), 51 states have internal predecessors, (7242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:12,269 INFO L348 CegarLoopForPetriNet]: 127 programPoint places, 170 predicate places. [2021-08-13 07:16:12,269 INFO L482 AbstractCegarLoop]: Abstraction has has 297 places, 2023 transitions, 18695 flow [2021-08-13 07:16:12,270 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 59.035714285714285) internal successors, (1653), 28 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:12,270 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:16:12,270 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:16:12,270 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-13 07:16:12,270 INFO L430 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]=== [2021-08-13 07:16:12,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:16:12,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1080717075, now seen corresponding path program 4 times [2021-08-13 07:16:12,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:16:12,270 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496971119] [2021-08-13 07:16:12,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:16:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:16:12,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:12,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:16:12,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:12,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 07:16:12,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:12,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 07:16:12,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:12,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:16:12,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:12,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:16:12,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:12,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:16:12,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:12,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:16:12,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:12,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:16:12,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:12,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 07:16:12,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:12,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:12,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:12,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:12,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:12,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:12,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:12,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:12,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:12,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:12,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:12,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:12,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:12,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:12,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:12,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:12,514 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-08-13 07:16:12,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 07:16:12,535 INFO L142 QuantifierPusher]: treesize reduction 17, result has 67.3 percent of original size [2021-08-13 07:16:12,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 07:16:12,561 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-08-13 07:16:12,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 07:16:12,587 INFO L142 QuantifierPusher]: treesize reduction 22, result has 66.7 percent of original size [2021-08-13 07:16:12,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:16:12,623 INFO L142 QuantifierPusher]: treesize reduction 43, result has 51.1 percent of original size [2021-08-13 07:16:12,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 07:16:12,660 INFO L142 QuantifierPusher]: treesize reduction 43, result has 48.8 percent of original size [2021-08-13 07:16:12,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-13 07:16:12,697 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 07:16:12,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:16:12,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:12,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:16:12,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:12,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:16:12,752 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 07:16:12,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 07:16:12,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:12,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:16:12,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:16:12,782 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:16:12,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496971119] [2021-08-13 07:16:12,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496971119] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:16:12,782 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:16:12,783 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-13 07:16:12,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984871579] [2021-08-13 07:16:12,783 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-08-13 07:16:12,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:16:12,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-13 07:16:12,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-08-13 07:16:12,785 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 142 [2021-08-13 07:16:12,786 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 2023 transitions, 18695 flow. Second operand has 28 states, 28 states have (on average 60.0) internal successors, (1680), 28 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:12,786 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:16:12,786 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 142 [2021-08-13 07:16:12,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:16:13,941 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 61 [2021-08-13 07:16:14,184 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2021-08-13 07:16:14,427 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-08-13 07:16:14,648 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-08-13 07:16:14,855 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2021-08-13 07:16:15,055 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-08-13 07:16:15,243 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 77 [2021-08-13 07:16:15,481 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 79 [2021-08-13 07:16:15,706 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 80 [2021-08-13 07:16:15,951 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-08-13 07:16:16,154 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2021-08-13 07:16:16,403 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 84 [2021-08-13 07:16:16,585 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 73 [2021-08-13 07:16:16,799 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2021-08-13 07:16:17,005 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 82 [2021-08-13 07:16:17,218 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2021-08-13 07:16:17,415 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2021-08-13 07:16:17,610 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 77 [2021-08-13 07:16:17,835 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 80 [2021-08-13 07:16:18,043 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 82 [2021-08-13 07:16:18,331 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2021-08-13 07:16:18,750 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-08-13 07:16:19,162 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-08-13 07:16:19,567 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-08-13 07:16:20,827 INFO L129 PetriNetUnfolder]: 3889/9641 cut-off events. [2021-08-13 07:16:20,828 INFO L130 PetriNetUnfolder]: For 8159/8501 co-relation queries the response was YES. [2021-08-13 07:16:20,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44595 conditions, 9641 events. 3889/9641 cut-off events. For 8159/8501 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 74186 event pairs, 425 based on Foata normal form. 28/9205 useless extension candidates. Maximal degree in co-relation 44586. Up to 4024 conditions per place. [2021-08-13 07:16:20,867 INFO L132 encePairwiseOnDemand]: 108/142 looper letters, 1672 selfloop transitions, 365 changer transitions 44/2188 dead transitions. [2021-08-13 07:16:20,867 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 2188 transitions, 24419 flow [2021-08-13 07:16:20,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-13 07:16:20,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-08-13 07:16:20,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 3548 transitions. [2021-08-13 07:16:20,870 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4714323677916556 [2021-08-13 07:16:20,870 INFO L72 ComplementDD]: Start complementDD. Operand 53 states and 3548 transitions. [2021-08-13 07:16:20,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 3548 transitions. [2021-08-13 07:16:20,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:16:20,871 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 53 states and 3548 transitions. [2021-08-13 07:16:20,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 54 states, 53 states have (on average 66.94339622641509) internal successors, (3548), 53 states have internal predecessors, (3548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:20,880 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 54 states, 54 states have (on average 142.0) internal successors, (7668), 54 states have internal predecessors, (7668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:20,881 INFO L81 ComplementDD]: Finished complementDD. Result has 54 states, 54 states have (on average 142.0) internal successors, (7668), 54 states have internal predecessors, (7668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:20,881 INFO L348 CegarLoopForPetriNet]: 127 programPoint places, 222 predicate places. [2021-08-13 07:16:20,881 INFO L482 AbstractCegarLoop]: Abstraction has has 349 places, 2188 transitions, 24419 flow [2021-08-13 07:16:20,882 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 60.0) internal successors, (1680), 28 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:20,882 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:16:20,882 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:16:20,882 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-13 07:16:20,882 INFO L430 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]=== [2021-08-13 07:16:20,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:16:20,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1444244891, now seen corresponding path program 5 times [2021-08-13 07:16:20,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:16:20,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001555139] [2021-08-13 07:16:20,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:16:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:16:20,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:20,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:16:20,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:20,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 07:16:20,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:20,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 07:16:20,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:20,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:16:20,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:20,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:16:20,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:20,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:16:20,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:20,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 07:16:21,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:21,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-08-13 07:16:21,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:21,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:16:21,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:21,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:16:21,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:21,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:16:21,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:21,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:16:21,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:21,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:16:21,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:21,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:16:21,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:21,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:16:21,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:21,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 07:16:21,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:21,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 07:16:21,240 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-08-13 07:16:21,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 07:16:21,284 INFO L142 QuantifierPusher]: treesize reduction 386, result has 17.9 percent of original size [2021-08-13 07:16:21,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-08-13 07:16:21,327 INFO L142 QuantifierPusher]: treesize reduction 382, result has 17.3 percent of original size [2021-08-13 07:16:21,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-08-13 07:16:21,349 INFO L142 QuantifierPusher]: treesize reduction 10, result has 86.7 percent of original size [2021-08-13 07:16:21,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-08-13 07:16:21,391 INFO L142 QuantifierPusher]: treesize reduction 18, result has 78.8 percent of original size [2021-08-13 07:16:21,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-08-13 07:16:21,437 INFO L142 QuantifierPusher]: treesize reduction 46, result has 51.1 percent of original size [2021-08-13 07:16:21,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-08-13 07:16:21,475 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 07:16:21,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 07:16:21,498 INFO L142 QuantifierPusher]: treesize reduction 10, result has 75.0 percent of original size [2021-08-13 07:16:21,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:16:21,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:21,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:16:21,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:21,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:16:21,569 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 07:16:21,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 07:16:21,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:21,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:16:21,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:21,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:16:21,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:21,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:16:21,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:16:21,600 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:16:21,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001555139] [2021-08-13 07:16:21,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001555139] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:16:21,600 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:16:21,600 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-13 07:16:21,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379323509] [2021-08-13 07:16:21,600 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-08-13 07:16:21,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:16:21,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-13 07:16:21,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-08-13 07:16:21,602 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 142 [2021-08-13 07:16:21,603 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 2188 transitions, 24419 flow. Second operand has 28 states, 28 states have (on average 59.035714285714285) internal successors, (1653), 28 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:21,603 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:16:21,604 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 142 [2021-08-13 07:16:21,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:16:22,345 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 52 [2021-08-13 07:16:22,716 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 60 [2021-08-13 07:16:22,894 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-08-13 07:16:23,068 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 64 [2021-08-13 07:16:23,211 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 64 [2021-08-13 07:16:23,385 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2021-08-13 07:16:23,548 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2021-08-13 07:16:23,694 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2021-08-13 07:16:23,915 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-08-13 07:16:24,069 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2021-08-13 07:16:24,261 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 69 [2021-08-13 07:16:24,415 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2021-08-13 07:16:24,596 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 74 [2021-08-13 07:16:24,815 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 70 [2021-08-13 07:16:25,012 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 71 [2021-08-13 07:16:25,154 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 63 [2021-08-13 07:16:25,379 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 74 [2021-08-13 07:16:25,570 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 67 [2021-08-13 07:16:25,726 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2021-08-13 07:16:25,955 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 74 [2021-08-13 07:16:26,170 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 76 [2021-08-13 07:16:26,383 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 73 [2021-08-13 07:16:26,619 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 78 [2021-08-13 07:16:26,847 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 79 [2021-08-13 07:16:27,107 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 80 [2021-08-13 07:16:27,322 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 77 [2021-08-13 07:16:27,621 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 83 [2021-08-13 07:16:27,823 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 73 [2021-08-13 07:16:28,073 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 79 [2021-08-13 07:16:28,305 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-08-13 07:16:28,550 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 78 [2021-08-13 07:16:28,796 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 83 [2021-08-13 07:16:29,020 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 77 [2021-08-13 07:16:29,304 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 85 [2021-08-13 07:16:29,563 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 82 [2021-08-13 07:16:29,855 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 88 [2021-08-13 07:16:30,153 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 86 [2021-08-13 07:16:30,467 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 82 [2021-08-13 07:16:30,763 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 87 [2021-08-13 07:16:32,311 INFO L129 PetriNetUnfolder]: 4747/11640 cut-off events. [2021-08-13 07:16:32,311 INFO L130 PetriNetUnfolder]: For 13738/14900 co-relation queries the response was YES. [2021-08-13 07:16:32,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63394 conditions, 11640 events. 4747/11640 cut-off events. For 13738/14900 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 93342 event pairs, 427 based on Foata normal form. 28/11120 useless extension candidates. Maximal degree in co-relation 63384. Up to 5049 conditions per place. [2021-08-13 07:16:32,374 INFO L132 encePairwiseOnDemand]: 109/142 looper letters, 2130 selfloop transitions, 602 changer transitions 46/2833 dead transitions. [2021-08-13 07:16:32,374 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 2833 transitions, 37065 flow [2021-08-13 07:16:32,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-08-13 07:16:32,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2021-08-13 07:16:32,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 3806 transitions. [2021-08-13 07:16:32,378 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4702248579194465 [2021-08-13 07:16:32,378 INFO L72 ComplementDD]: Start complementDD. Operand 57 states and 3806 transitions. [2021-08-13 07:16:32,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 3806 transitions. [2021-08-13 07:16:32,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:16:32,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 57 states and 3806 transitions. [2021-08-13 07:16:32,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 58 states, 57 states have (on average 66.7719298245614) internal successors, (3806), 57 states have internal predecessors, (3806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:32,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 58 states, 58 states have (on average 142.0) internal successors, (8236), 58 states have internal predecessors, (8236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:32,390 INFO L81 ComplementDD]: Finished complementDD. Result has 58 states, 58 states have (on average 142.0) internal successors, (8236), 58 states have internal predecessors, (8236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:32,390 INFO L348 CegarLoopForPetriNet]: 127 programPoint places, 278 predicate places. [2021-08-13 07:16:32,390 INFO L482 AbstractCegarLoop]: Abstraction has has 405 places, 2833 transitions, 37065 flow [2021-08-13 07:16:32,390 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 59.035714285714285) internal successors, (1653), 28 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:32,390 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:16:32,390 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:16:32,391 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-13 07:16:32,391 INFO L430 AbstractCegarLoop]: === Iteration 9 === [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]=== [2021-08-13 07:16:32,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:16:32,391 INFO L82 PathProgramCache]: Analyzing trace with hash -607527181, now seen corresponding path program 6 times [2021-08-13 07:16:32,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:16:32,391 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526491895] [2021-08-13 07:16:32,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:16:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:16:32,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:32,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:16:32,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:32,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 07:16:32,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:32,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 07:16:32,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:32,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:16:32,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:32,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:16:32,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:32,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:16:32,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:32,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 07:16:32,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:32,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-08-13 07:16:32,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:32,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:16:32,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:32,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:16:32,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:32,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:16:32,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:32,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:16:32,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:32,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:16:32,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:32,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:16:32,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:32,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:16:32,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:32,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 07:16:32,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:32,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 07:16:32,770 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-08-13 07:16:32,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 07:16:32,810 INFO L142 QuantifierPusher]: treesize reduction 380, result has 18.1 percent of original size [2021-08-13 07:16:32,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-08-13 07:16:32,862 INFO L142 QuantifierPusher]: treesize reduction 376, result has 17.5 percent of original size [2021-08-13 07:16:32,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-08-13 07:16:32,951 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-08-13 07:16:32,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-08-13 07:16:32,994 INFO L142 QuantifierPusher]: treesize reduction 38, result has 54.8 percent of original size [2021-08-13 07:16:32,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:16:33,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:33,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 07:16:33,049 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 07:16:33,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 07:16:33,073 INFO L142 QuantifierPusher]: treesize reduction 10, result has 75.0 percent of original size [2021-08-13 07:16:33,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:16:33,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:33,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:16:33,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:33,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:16:33,137 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 07:16:33,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 07:16:33,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:33,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:16:33,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:33,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:16:33,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:33,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:16:33,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:16:33,169 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:16:33,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526491895] [2021-08-13 07:16:33,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526491895] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:16:33,169 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:16:33,169 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-13 07:16:33,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4720978] [2021-08-13 07:16:33,170 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-08-13 07:16:33,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:16:33,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-13 07:16:33,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=683, Unknown=0, NotChecked=0, Total=756 [2021-08-13 07:16:33,172 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 142 [2021-08-13 07:16:33,173 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 2833 transitions, 37065 flow. Second operand has 28 states, 28 states have (on average 59.035714285714285) internal successors, (1653), 28 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:33,173 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:16:33,173 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 142 [2021-08-13 07:16:33,173 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:16:34,304 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 56 [2021-08-13 07:16:35,397 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 60 [2021-08-13 07:16:35,567 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2021-08-13 07:16:36,183 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-08-13 07:16:36,463 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-08-13 07:16:36,617 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 64 [2021-08-13 07:16:36,778 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 64 [2021-08-13 07:16:36,923 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 62 [2021-08-13 07:16:37,070 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 62 [2021-08-13 07:16:37,233 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2021-08-13 07:16:37,409 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2021-08-13 07:16:37,563 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2021-08-13 07:16:37,712 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2021-08-13 07:16:37,955 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-08-13 07:16:38,149 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2021-08-13 07:16:38,293 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-08-13 07:16:38,498 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 69 [2021-08-13 07:16:38,661 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2021-08-13 07:16:38,857 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 74 [2021-08-13 07:16:38,989 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 61 [2021-08-13 07:16:39,199 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 69 [2021-08-13 07:16:39,416 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 71 [2021-08-13 07:16:39,564 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 63 [2021-08-13 07:16:39,715 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2021-08-13 07:16:39,952 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 73 [2021-08-13 07:16:40,149 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2021-08-13 07:16:40,320 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 67 [2021-08-13 07:16:40,526 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 73 [2021-08-13 07:16:40,731 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-08-13 07:16:40,947 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 73 [2021-08-13 07:16:41,169 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-08-13 07:16:41,395 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 78 [2021-08-13 07:16:41,685 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 79 [2021-08-13 07:16:41,894 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 76 [2021-08-13 07:16:42,072 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-08-13 07:16:42,352 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2021-08-13 07:16:42,547 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-08-13 07:16:42,798 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 78 [2021-08-13 07:16:43,047 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 80 [2021-08-13 07:16:43,263 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-08-13 07:16:43,542 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2021-08-13 07:16:43,754 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 76 [2021-08-13 07:16:44,025 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 84 [2021-08-13 07:16:44,262 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 81 [2021-08-13 07:16:44,582 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2021-08-13 07:16:44,885 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 85 [2021-08-13 07:16:45,207 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-08-13 07:16:45,554 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 86 [2021-08-13 07:16:47,977 INFO L129 PetriNetUnfolder]: 5848/14126 cut-off events. [2021-08-13 07:16:47,978 INFO L130 PetriNetUnfolder]: For 22449/27053 co-relation queries the response was YES. [2021-08-13 07:16:47,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89646 conditions, 14126 events. 5848/14126 cut-off events. For 22449/27053 co-relation queries the response was YES. Maximal size of possible extension queue 284. Compared 117409 event pairs, 625 based on Foata normal form. 61/13551 useless extension candidates. Maximal degree in co-relation 89635. Up to 6698 conditions per place. [2021-08-13 07:16:48,048 INFO L132 encePairwiseOnDemand]: 109/142 looper letters, 2308 selfloop transitions, 1445 changer transitions 46/3854 dead transitions. [2021-08-13 07:16:48,048 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 3854 transitions, 57821 flow [2021-08-13 07:16:48,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-08-13 07:16:48,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2021-08-13 07:16:48,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 5386 transitions. [2021-08-13 07:16:48,055 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.462555822741326 [2021-08-13 07:16:48,055 INFO L72 ComplementDD]: Start complementDD. Operand 82 states and 5386 transitions. [2021-08-13 07:16:48,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 82 states and 5386 transitions. [2021-08-13 07:16:48,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:16:48,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 82 states and 5386 transitions. [2021-08-13 07:16:48,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 83 states, 82 states have (on average 65.6829268292683) internal successors, (5386), 82 states have internal predecessors, (5386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:48,069 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 83 states, 83 states have (on average 142.0) internal successors, (11786), 83 states have internal predecessors, (11786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:48,070 INFO L81 ComplementDD]: Finished complementDD. Result has 83 states, 83 states have (on average 142.0) internal successors, (11786), 83 states have internal predecessors, (11786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:48,070 INFO L348 CegarLoopForPetriNet]: 127 programPoint places, 359 predicate places. [2021-08-13 07:16:48,070 INFO L482 AbstractCegarLoop]: Abstraction has has 486 places, 3854 transitions, 57821 flow [2021-08-13 07:16:48,071 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 59.035714285714285) internal successors, (1653), 28 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:48,071 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:16:48,071 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:16:48,071 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-13 07:16:48,071 INFO L430 AbstractCegarLoop]: === Iteration 10 === [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]=== [2021-08-13 07:16:48,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:16:48,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1467473937, now seen corresponding path program 7 times [2021-08-13 07:16:48,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:16:48,072 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950907824] [2021-08-13 07:16:48,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:16:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:16:48,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:48,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:16:48,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:48,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 07:16:48,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:48,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 07:16:48,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:48,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:16:48,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:48,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:16:48,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:48,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:16:48,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:48,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:16:48,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:48,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:16:48,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:48,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 07:16:48,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:48,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:48,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:48,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:48,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:48,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:48,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:48,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:48,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:48,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:48,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:48,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:48,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:48,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:48,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:48,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:16:48,304 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.1 percent of original size [2021-08-13 07:16:48,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:16:48,323 INFO L142 QuantifierPusher]: treesize reduction 8, result has 80.5 percent of original size [2021-08-13 07:16:48,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 07:16:48,344 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-08-13 07:16:48,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 07:16:48,364 INFO L142 QuantifierPusher]: treesize reduction 20, result has 70.6 percent of original size [2021-08-13 07:16:48,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-08-13 07:16:48,396 INFO L142 QuantifierPusher]: treesize reduction 20, result has 68.8 percent of original size [2021-08-13 07:16:48,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:16:48,433 INFO L142 QuantifierPusher]: treesize reduction 36, result has 66.4 percent of original size [2021-08-13 07:16:48,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-08-13 07:16:48,482 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 07:16:48,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:16:48,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:48,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:16:48,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:48,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:16:48,536 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 07:16:48,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 07:16:48,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:16:48,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:16:48,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:16:48,566 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:16:48,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950907824] [2021-08-13 07:16:48,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950907824] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:16:48,566 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:16:48,566 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-13 07:16:48,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538330801] [2021-08-13 07:16:48,567 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-08-13 07:16:48,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:16:48,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-13 07:16:48,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-08-13 07:16:48,568 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 142 [2021-08-13 07:16:48,569 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 3854 transitions, 57821 flow. Second operand has 28 states, 28 states have (on average 59.035714285714285) internal successors, (1653), 28 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:16:48,569 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:16:48,569 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 142 [2021-08-13 07:16:48,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:16:49,713 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 61 [2021-08-13 07:16:50,058 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2021-08-13 07:16:50,302 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2021-08-13 07:16:50,516 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 69 [2021-08-13 07:16:50,781 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-08-13 07:16:50,993 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-08-13 07:16:51,176 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 76 [2021-08-13 07:16:51,400 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 78 [2021-08-13 07:16:51,596 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-08-13 07:16:51,840 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2021-08-13 07:16:52,030 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-08-13 07:16:52,286 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-08-13 07:16:52,508 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 73 [2021-08-13 07:16:52,751 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 81 [2021-08-13 07:16:52,948 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 78 [2021-08-13 07:16:53,167 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-08-13 07:16:53,363 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-08-13 07:16:53,613 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 84 [2021-08-13 07:16:53,823 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-08-13 07:16:54,147 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2021-08-13 07:16:54,623 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-08-13 07:17:00,211 INFO L129 PetriNetUnfolder]: 8632/20420 cut-off events. [2021-08-13 07:17:00,212 INFO L130 PetriNetUnfolder]: For 40371/47368 co-relation queries the response was YES. [2021-08-13 07:17:00,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 148210 conditions, 20420 events. 8632/20420 cut-off events. For 40371/47368 co-relation queries the response was YES. Maximal size of possible extension queue 401. Compared 180237 event pairs, 727 based on Foata normal form. 64/19591 useless extension candidates. Maximal degree in co-relation 148198. Up to 8850 conditions per place. [2021-08-13 07:17:00,327 INFO L132 encePairwiseOnDemand]: 108/142 looper letters, 5069 selfloop transitions, 895 changer transitions 46/6065 dead transitions. [2021-08-13 07:17:00,327 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 6065 transitions, 103193 flow [2021-08-13 07:17:00,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-13 07:17:00,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2021-08-13 07:17:00,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 3328 transitions. [2021-08-13 07:17:00,331 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4687323943661972 [2021-08-13 07:17:00,331 INFO L72 ComplementDD]: Start complementDD. Operand 50 states and 3328 transitions. [2021-08-13 07:17:00,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 3328 transitions. [2021-08-13 07:17:00,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:17:00,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 50 states and 3328 transitions. [2021-08-13 07:17:00,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 51 states, 50 states have (on average 66.56) internal successors, (3328), 50 states have internal predecessors, (3328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:17:00,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 51 states, 51 states have (on average 142.0) internal successors, (7242), 51 states have internal predecessors, (7242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:17:00,340 INFO L81 ComplementDD]: Finished complementDD. Result has 51 states, 51 states have (on average 142.0) internal successors, (7242), 51 states have internal predecessors, (7242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:17:00,340 INFO L348 CegarLoopForPetriNet]: 127 programPoint places, 408 predicate places. [2021-08-13 07:17:00,340 INFO L482 AbstractCegarLoop]: Abstraction has has 535 places, 6065 transitions, 103193 flow [2021-08-13 07:17:00,341 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 59.035714285714285) internal successors, (1653), 28 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:17:00,341 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:17:00,341 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:17:00,341 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-13 07:17:00,341 INFO L430 AbstractCegarLoop]: === Iteration 11 === [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]=== [2021-08-13 07:17:00,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:17:00,342 INFO L82 PathProgramCache]: Analyzing trace with hash 222410691, now seen corresponding path program 8 times [2021-08-13 07:17:00,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:17:00,342 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428580254] [2021-08-13 07:17:00,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:17:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:17:00,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:00,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:17:00,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:00,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 07:17:00,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:00,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 07:17:00,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:00,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:17:00,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:00,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:17:00,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:00,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:17:00,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:00,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 07:17:00,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:00,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-08-13 07:17:00,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:00,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:17:00,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:00,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:17:00,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:00,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:17:00,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:00,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:17:00,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:00,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:17:00,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:00,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:17:00,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:00,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:17:00,699 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 16 [2021-08-13 07:17:00,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:00,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:17:00,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:00,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 07:17:00,754 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-08-13 07:17:00,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 07:17:00,788 INFO L142 QuantifierPusher]: treesize reduction 380, result has 18.1 percent of original size [2021-08-13 07:17:00,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-08-13 07:17:00,839 INFO L142 QuantifierPusher]: treesize reduction 376, result has 17.5 percent of original size [2021-08-13 07:17:00,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-08-13 07:17:00,858 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-08-13 07:17:00,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-08-13 07:17:00,898 INFO L142 QuantifierPusher]: treesize reduction 19, result has 77.9 percent of original size [2021-08-13 07:17:00,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-08-13 07:17:00,948 INFO L142 QuantifierPusher]: treesize reduction 46, result has 51.1 percent of original size [2021-08-13 07:17:00,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-08-13 07:17:00,981 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 07:17:00,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 07:17:01,002 INFO L142 QuantifierPusher]: treesize reduction 10, result has 75.0 percent of original size [2021-08-13 07:17:01,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:17:01,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:01,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:17:01,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:01,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:17:01,070 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 07:17:01,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 07:17:01,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:01,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:17:01,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:01,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:17:01,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:01,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:17:01,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:17:01,100 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:17:01,100 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428580254] [2021-08-13 07:17:01,100 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428580254] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:17:01,100 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:17:01,100 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-13 07:17:01,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914973862] [2021-08-13 07:17:01,100 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-08-13 07:17:01,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:17:01,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-13 07:17:01,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-08-13 07:17:01,102 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 142 [2021-08-13 07:17:01,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 6065 transitions, 103193 flow. Second operand has 28 states, 28 states have (on average 59.035714285714285) internal successors, (1653), 28 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:17:01,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:17:01,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 142 [2021-08-13 07:17:01,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:17:02,069 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 60 [2021-08-13 07:17:02,406 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 64 [2021-08-13 07:17:02,598 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 64 [2021-08-13 07:17:02,796 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 69 [2021-08-13 07:17:03,014 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2021-08-13 07:17:03,242 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 70 [2021-08-13 07:17:03,413 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2021-08-13 07:17:03,647 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 74 [2021-08-13 07:17:03,839 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 73 [2021-08-13 07:17:04,062 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2021-08-13 07:17:04,268 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 76 [2021-08-13 07:17:04,444 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2021-08-13 07:17:04,693 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 78 [2021-08-13 07:17:04,915 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 79 [2021-08-13 07:17:05,136 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2021-08-13 07:17:05,436 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 80 [2021-08-13 07:17:05,667 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 77 [2021-08-13 07:17:05,864 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-08-13 07:17:06,180 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 83 [2021-08-13 07:17:06,381 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 73 [2021-08-13 07:17:06,647 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 79 [2021-08-13 07:17:06,880 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 81 [2021-08-13 07:17:07,101 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 78 [2021-08-13 07:17:07,367 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 83 [2021-08-13 07:17:07,583 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-08-13 07:17:07,942 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 85 [2021-08-13 07:17:08,175 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-08-13 07:17:08,504 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 88 [2021-08-13 07:17:08,852 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 86 [2021-08-13 07:17:09,235 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 82 [2021-08-13 07:17:09,618 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-08-13 07:17:19,951 INFO L129 PetriNetUnfolder]: 10839/25745 cut-off events. [2021-08-13 07:17:19,951 INFO L130 PetriNetUnfolder]: For 65126/73415 co-relation queries the response was YES. [2021-08-13 07:17:19,992 INFO L84 FinitePrefix]: Finished finitePrefix Result has 206657 conditions, 25745 events. 10839/25745 cut-off events. For 65126/73415 co-relation queries the response was YES. Maximal size of possible extension queue 520. Compared 238843 event pairs, 715 based on Foata normal form. 16/24663 useless extension candidates. Maximal degree in co-relation 206644. Up to 12565 conditions per place. [2021-08-13 07:17:20,113 INFO L132 encePairwiseOnDemand]: 109/142 looper letters, 5982 selfloop transitions, 1650 changer transitions 46/7733 dead transitions. [2021-08-13 07:17:20,113 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 584 places, 7733 transitions, 147103 flow [2021-08-13 07:17:20,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-13 07:17:20,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2021-08-13 07:17:20,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 3373 transitions. [2021-08-13 07:17:20,117 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.47507042253521126 [2021-08-13 07:17:20,117 INFO L72 ComplementDD]: Start complementDD. Operand 50 states and 3373 transitions. [2021-08-13 07:17:20,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 3373 transitions. [2021-08-13 07:17:20,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:17:20,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 50 states and 3373 transitions. [2021-08-13 07:17:20,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 51 states, 50 states have (on average 67.46) internal successors, (3373), 50 states have internal predecessors, (3373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:17:20,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 51 states, 51 states have (on average 142.0) internal successors, (7242), 51 states have internal predecessors, (7242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:17:20,126 INFO L81 ComplementDD]: Finished complementDD. Result has 51 states, 51 states have (on average 142.0) internal successors, (7242), 51 states have internal predecessors, (7242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:17:20,126 INFO L348 CegarLoopForPetriNet]: 127 programPoint places, 457 predicate places. [2021-08-13 07:17:20,126 INFO L482 AbstractCegarLoop]: Abstraction has has 584 places, 7733 transitions, 147103 flow [2021-08-13 07:17:20,127 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 59.035714285714285) internal successors, (1653), 28 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:17:20,127 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:17:20,127 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:17:20,127 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-13 07:17:20,127 INFO L430 AbstractCegarLoop]: === Iteration 12 === [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]=== [2021-08-13 07:17:20,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:17:20,128 INFO L82 PathProgramCache]: Analyzing trace with hash -2014667725, now seen corresponding path program 9 times [2021-08-13 07:17:20,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:17:20,128 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052150560] [2021-08-13 07:17:20,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:17:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:17:20,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:17:20,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 07:17:20,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 07:17:20,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:17:20,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:17:20,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:17:20,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 07:17:20,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-08-13 07:17:20,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:17:20,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:17:20,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:17:20,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:17:20,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:17:20,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:17:20,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:17:20,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:17:20,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 07:17:20,465 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-08-13 07:17:20,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 07:17:20,505 INFO L142 QuantifierPusher]: treesize reduction 380, result has 18.1 percent of original size [2021-08-13 07:17:20,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-08-13 07:17:20,547 INFO L142 QuantifierPusher]: treesize reduction 376, result has 17.5 percent of original size [2021-08-13 07:17:20,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-08-13 07:17:20,568 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-08-13 07:17:20,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-08-13 07:17:20,611 INFO L142 QuantifierPusher]: treesize reduction 38, result has 54.8 percent of original size [2021-08-13 07:17:20,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:17:20,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 07:17:20,662 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 07:17:20,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 07:17:20,682 INFO L142 QuantifierPusher]: treesize reduction 10, result has 75.0 percent of original size [2021-08-13 07:17:20,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:17:20,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:17:20,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:17:20,742 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 07:17:20,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 07:17:20,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:17:20,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:17:20,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:20,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:17:20,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:17:20,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:17:20,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052150560] [2021-08-13 07:17:20,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052150560] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:17:20,771 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:17:20,772 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-13 07:17:20,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466549332] [2021-08-13 07:17:20,772 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-08-13 07:17:20,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:17:20,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-13 07:17:20,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=684, Unknown=0, NotChecked=0, Total=756 [2021-08-13 07:17:20,773 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 142 [2021-08-13 07:17:20,774 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 584 places, 7733 transitions, 147103 flow. Second operand has 28 states, 28 states have (on average 59.035714285714285) internal successors, (1653), 28 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:17:20,774 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:17:20,774 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 142 [2021-08-13 07:17:20,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:17:21,701 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 50 [2021-08-13 07:17:22,182 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-08-13 07:17:22,453 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 60 [2021-08-13 07:17:23,957 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 62 [2021-08-13 07:17:24,385 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 64 [2021-08-13 07:17:24,533 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2021-08-13 07:17:24,683 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 62 [2021-08-13 07:17:25,046 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 64 [2021-08-13 07:17:25,216 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2021-08-13 07:17:25,372 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 66 [2021-08-13 07:17:25,522 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2021-08-13 07:17:25,752 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2021-08-13 07:17:25,922 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 69 [2021-08-13 07:17:26,066 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-08-13 07:17:26,284 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 69 [2021-08-13 07:17:26,456 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2021-08-13 07:17:26,649 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 73 [2021-08-13 07:17:26,780 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 61 [2021-08-13 07:17:27,000 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 68 [2021-08-13 07:17:27,217 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2021-08-13 07:17:27,370 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 65 [2021-08-13 07:17:27,520 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2021-08-13 07:17:27,803 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 73 [2021-08-13 07:17:28,004 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-08-13 07:17:28,170 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2021-08-13 07:17:28,395 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 73 [2021-08-13 07:17:28,601 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 [2021-08-13 07:17:28,826 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-08-13 07:17:29,066 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 77 [2021-08-13 07:17:29,291 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 78 [2021-08-13 07:17:29,592 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-08-13 07:17:29,804 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 76 [2021-08-13 07:17:29,980 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 74 [2021-08-13 07:17:30,286 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-08-13 07:17:30,487 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2021-08-13 07:17:30,846 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 78 [2021-08-13 07:17:31,075 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 80 [2021-08-13 07:17:31,295 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 77 [2021-08-13 07:17:31,593 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-08-13 07:17:31,807 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 76 [2021-08-13 07:17:32,141 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 84 [2021-08-13 07:17:32,376 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 81 [2021-08-13 07:17:32,758 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 87 [2021-08-13 07:17:33,141 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 85 [2021-08-13 07:17:33,530 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 81 [2021-08-13 07:17:34,076 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 86 [2021-08-13 07:17:50,251 INFO L129 PetriNetUnfolder]: 11184/26541 cut-off events. [2021-08-13 07:17:50,251 INFO L130 PetriNetUnfolder]: For 82887/94462 co-relation queries the response was YES. [2021-08-13 07:17:50,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 234662 conditions, 26541 events. 11184/26541 cut-off events. For 82887/94462 co-relation queries the response was YES. Maximal size of possible extension queue 535. Compared 247927 event pairs, 759 based on Foata normal form. 69/25476 useless extension candidates. Maximal degree in co-relation 234648. Up to 13227 conditions per place. [2021-08-13 07:17:50,427 INFO L132 encePairwiseOnDemand]: 109/142 looper letters, 4803 selfloop transitions, 3090 changer transitions 46/7994 dead transitions. [2021-08-13 07:17:50,427 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 666 places, 7994 transitions, 167971 flow [2021-08-13 07:17:50,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-08-13 07:17:50,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2021-08-13 07:17:50,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 5428 transitions. [2021-08-13 07:17:50,432 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.46054641099609706 [2021-08-13 07:17:50,432 INFO L72 ComplementDD]: Start complementDD. Operand 83 states and 5428 transitions. [2021-08-13 07:17:50,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 5428 transitions. [2021-08-13 07:17:50,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:17:50,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 83 states and 5428 transitions. [2021-08-13 07:17:50,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 84 states, 83 states have (on average 65.39759036144578) internal successors, (5428), 83 states have internal predecessors, (5428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:17:50,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 84 states, 84 states have (on average 142.0) internal successors, (11928), 84 states have internal predecessors, (11928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:17:50,446 INFO L81 ComplementDD]: Finished complementDD. Result has 84 states, 84 states have (on average 142.0) internal successors, (11928), 84 states have internal predecessors, (11928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:17:50,446 INFO L348 CegarLoopForPetriNet]: 127 programPoint places, 539 predicate places. [2021-08-13 07:17:50,446 INFO L482 AbstractCegarLoop]: Abstraction has has 666 places, 7994 transitions, 167971 flow [2021-08-13 07:17:50,446 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 59.035714285714285) internal successors, (1653), 28 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:17:50,446 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:17:50,446 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:17:50,446 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-13 07:17:50,446 INFO L430 AbstractCegarLoop]: === Iteration 13 === [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]=== [2021-08-13 07:17:50,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:17:50,447 INFO L82 PathProgramCache]: Analyzing trace with hash 280395183, now seen corresponding path program 10 times [2021-08-13 07:17:50,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:17:50,447 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125185524] [2021-08-13 07:17:50,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:17:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:17:50,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:50,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:17:50,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:50,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 07:17:50,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:50,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 07:17:50,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:50,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:17:50,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:50,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:17:50,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:50,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:17:50,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:50,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:17:50,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:50,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:17:50,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:50,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 07:17:50,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:50,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:17:50,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:50,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:17:50,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:50,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:17:50,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:50,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:17:50,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:50,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:17:50,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:50,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:17:50,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:50,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:17:50,649 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-08-13 07:17:50,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 07:17:50,667 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-08-13 07:17:50,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 07:17:50,687 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-08-13 07:17:50,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 07:17:50,705 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-08-13 07:17:50,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 07:17:50,745 INFO L142 QuantifierPusher]: treesize reduction 27, result has 62.0 percent of original size [2021-08-13 07:17:50,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:17:50,776 INFO L142 QuantifierPusher]: treesize reduction 27, result has 59.7 percent of original size [2021-08-13 07:17:50,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-08-13 07:17:50,805 INFO L142 QuantifierPusher]: treesize reduction 52, result has 41.6 percent of original size [2021-08-13 07:17:50,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-08-13 07:17:50,835 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 07:17:50,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:17:50,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:50,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:17:50,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:50,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:17:50,889 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 07:17:50,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 07:17:50,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:17:50,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:17:50,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:17:50,917 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:17:50,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125185524] [2021-08-13 07:17:50,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125185524] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:17:50,918 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:17:50,918 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-13 07:17:50,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602547706] [2021-08-13 07:17:50,918 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-08-13 07:17:50,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:17:50,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-13 07:17:50,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-08-13 07:17:50,919 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 142 [2021-08-13 07:17:50,920 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 666 places, 7994 transitions, 167971 flow. Second operand has 28 states, 28 states have (on average 60.0) internal successors, (1680), 28 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:17:50,920 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:17:50,920 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 142 [2021-08-13 07:17:50,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:17:51,964 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 61 [2021-08-13 07:17:52,145 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2021-08-13 07:17:52,403 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2021-08-13 07:17:52,593 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2021-08-13 07:17:53,021 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-08-13 07:17:53,264 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-08-13 07:17:53,492 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-08-13 07:17:53,678 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 72 [2021-08-13 07:17:53,926 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 74 [2021-08-13 07:17:54,120 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 75 [2021-08-13 07:17:54,379 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2021-08-13 07:17:54,569 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-08-13 07:17:54,950 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-08-13 07:17:55,151 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2021-08-13 07:17:55,477 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 77 [2021-08-13 07:17:55,673 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 76 [2021-08-13 07:17:55,930 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 76 [2021-08-13 07:17:56,132 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2021-08-13 07:17:56,425 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 78 [2021-08-13 07:17:56,643 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 80 [2021-08-13 07:17:57,030 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 81 [2021-08-13 07:17:57,634 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-08-13 07:18:25,237 INFO L129 PetriNetUnfolder]: 15890/37714 cut-off events. [2021-08-13 07:18:25,237 INFO L130 PetriNetUnfolder]: For 150069/174008 co-relation queries the response was YES. [2021-08-13 07:18:25,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 365642 conditions, 37714 events. 15890/37714 cut-off events. For 150069/174008 co-relation queries the response was YES. Maximal size of possible extension queue 648. Compared 372363 event pairs, 936 based on Foata normal form. 160/36291 useless extension candidates. Maximal degree in co-relation 365627. Up to 19140 conditions per place. [2021-08-13 07:18:25,508 INFO L132 encePairwiseOnDemand]: 108/142 looper letters, 9162 selfloop transitions, 1929 changer transitions 46/11483 dead transitions. [2021-08-13 07:18:25,508 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 716 places, 11483 transitions, 264589 flow [2021-08-13 07:18:25,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-08-13 07:18:25,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-08-13 07:18:25,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 3402 transitions. [2021-08-13 07:18:25,511 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.46975973487986744 [2021-08-13 07:18:25,511 INFO L72 ComplementDD]: Start complementDD. Operand 51 states and 3402 transitions. [2021-08-13 07:18:25,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 3402 transitions. [2021-08-13 07:18:25,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:18:25,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 51 states and 3402 transitions. [2021-08-13 07:18:25,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 52 states, 51 states have (on average 66.70588235294117) internal successors, (3402), 51 states have internal predecessors, (3402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:18:25,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 52 states, 52 states have (on average 142.0) internal successors, (7384), 52 states have internal predecessors, (7384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:18:25,519 INFO L81 ComplementDD]: Finished complementDD. Result has 52 states, 52 states have (on average 142.0) internal successors, (7384), 52 states have internal predecessors, (7384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:18:25,519 INFO L348 CegarLoopForPetriNet]: 127 programPoint places, 589 predicate places. [2021-08-13 07:18:25,519 INFO L482 AbstractCegarLoop]: Abstraction has has 716 places, 11483 transitions, 264589 flow [2021-08-13 07:18:25,519 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 60.0) internal successors, (1680), 28 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:18:25,519 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:18:25,520 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:18:25,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-13 07:18:25,520 INFO L430 AbstractCegarLoop]: === Iteration 14 === [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]=== [2021-08-13 07:18:25,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:18:25,520 INFO L82 PathProgramCache]: Analyzing trace with hash -699542227, now seen corresponding path program 11 times [2021-08-13 07:18:25,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:18:25,520 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736900613] [2021-08-13 07:18:25,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:18:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:18:25,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:25,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:18:25,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:25,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 07:18:25,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:25,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 07:18:25,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:25,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:18:25,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:25,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:18:25,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:25,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:18:25,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:25,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 07:18:25,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:25,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-08-13 07:18:25,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:25,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:18:25,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:25,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:18:25,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:25,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:18:25,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:25,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:18:25,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:25,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:18:25,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:25,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:18:25,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:25,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:18:25,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:25,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 07:18:25,793 INFO L142 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-08-13 07:18:25,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-08-13 07:18:25,826 INFO L142 QuantifierPusher]: treesize reduction 380, result has 16.5 percent of original size [2021-08-13 07:18:25,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-08-13 07:18:25,868 INFO L142 QuantifierPusher]: treesize reduction 376, result has 15.9 percent of original size [2021-08-13 07:18:25,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-08-13 07:18:25,886 INFO L142 QuantifierPusher]: treesize reduction 9, result has 86.2 percent of original size [2021-08-13 07:18:25,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-08-13 07:18:25,920 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-08-13 07:18:25,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-08-13 07:18:25,966 INFO L142 QuantifierPusher]: treesize reduction 19, result has 77.9 percent of original size [2021-08-13 07:18:25,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-08-13 07:18:26,013 INFO L142 QuantifierPusher]: treesize reduction 46, result has 51.1 percent of original size [2021-08-13 07:18:26,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-08-13 07:18:26,047 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 07:18:26,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 07:18:26,069 INFO L142 QuantifierPusher]: treesize reduction 10, result has 75.0 percent of original size [2021-08-13 07:18:26,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:18:26,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:26,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:18:26,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:26,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:18:26,128 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 07:18:26,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 07:18:26,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:26,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:18:26,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:26,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:18:26,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:18:26,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:18:26,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:18:26,157 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:18:26,157 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736900613] [2021-08-13 07:18:26,157 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736900613] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:18:26,157 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:18:26,157 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-13 07:18:26,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624416075] [2021-08-13 07:18:26,157 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-08-13 07:18:26,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:18:26,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-13 07:18:26,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2021-08-13 07:18:26,162 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 142 [2021-08-13 07:18:26,163 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 716 places, 11483 transitions, 264589 flow. Second operand has 28 states, 28 states have (on average 59.035714285714285) internal successors, (1653), 28 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:18:26,163 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:18:26,163 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 142 [2021-08-13 07:18:26,163 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:18:27,275 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 60 [2021-08-13 07:18:27,458 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 64 [2021-08-13 07:18:27,634 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2021-08-13 07:18:27,826 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 69 [2021-08-13 07:18:28,286 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 70 [2021-08-13 07:18:28,567 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 74 [2021-08-13 07:18:28,838 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 74 [2021-08-13 07:18:29,049 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 76 [2021-08-13 07:18:29,343 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 78 [2021-08-13 07:18:29,571 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 79 [2021-08-13 07:18:29,883 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 80 [2021-08-13 07:18:30,204 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 77 [2021-08-13 07:18:30,536 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 83 [2021-08-13 07:18:30,737 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 73 [2021-08-13 07:18:31,031 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 79 [2021-08-13 07:18:31,263 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-08-13 07:18:31,479 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 78 [2021-08-13 07:18:31,808 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 83 [2021-08-13 07:18:32,027 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 77 [2021-08-13 07:18:32,414 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 85 [2021-08-13 07:18:32,648 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 82 [2021-08-13 07:18:33,074 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 88 [2021-08-13 07:18:33,546 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 86 [2021-08-13 07:18:34,252 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 82 [2021-08-13 07:18:34,924 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 87 [2021-08-13 07:19:36,737 INFO L129 PetriNetUnfolder]: 18015/42793 cut-off events. [2021-08-13 07:19:36,737 INFO L130 PetriNetUnfolder]: For 202087/225938 co-relation queries the response was YES. [2021-08-13 07:19:36,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 447461 conditions, 42793 events. 18015/42793 cut-off events. For 202087/225938 co-relation queries the response was YES. Maximal size of possible extension queue 720. Compared 432461 event pairs, 918 based on Foata normal form. 16/41029 useless extension candidates. Maximal degree in co-relation 447445. Up to 22529 conditions per place. [2021-08-13 07:19:37,092 INFO L132 encePairwiseOnDemand]: 109/142 looper letters, 10441 selfloop transitions, 2497 changer transitions 46/13039 dead transitions. [2021-08-13 07:19:37,093 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 759 places, 13039 transitions, 325891 flow [2021-08-13 07:19:37,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-13 07:19:37,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2021-08-13 07:19:37,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 2953 transitions. [2021-08-13 07:19:37,095 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.47263124199743917 [2021-08-13 07:19:37,095 INFO L72 ComplementDD]: Start complementDD. Operand 44 states and 2953 transitions. [2021-08-13 07:19:37,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 2953 transitions. [2021-08-13 07:19:37,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:19:37,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 44 states and 2953 transitions. [2021-08-13 07:19:37,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 45 states, 44 states have (on average 67.11363636363636) internal successors, (2953), 44 states have internal predecessors, (2953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:19:37,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 45 states, 45 states have (on average 142.0) internal successors, (6390), 45 states have internal predecessors, (6390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:19:37,102 INFO L81 ComplementDD]: Finished complementDD. Result has 45 states, 45 states have (on average 142.0) internal successors, (6390), 45 states have internal predecessors, (6390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:19:37,102 INFO L348 CegarLoopForPetriNet]: 127 programPoint places, 632 predicate places. [2021-08-13 07:19:37,102 INFO L482 AbstractCegarLoop]: Abstraction has has 759 places, 13039 transitions, 325891 flow [2021-08-13 07:19:37,102 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 59.035714285714285) internal successors, (1653), 28 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:19:37,102 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:19:37,102 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:19:37,102 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-13 07:19:37,102 INFO L430 AbstractCegarLoop]: === Iteration 15 === [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]=== [2021-08-13 07:19:37,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:19:37,103 INFO L82 PathProgramCache]: Analyzing trace with hash -266798605, now seen corresponding path program 12 times [2021-08-13 07:19:37,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:19:37,103 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32166884] [2021-08-13 07:19:37,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:19:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:19:37,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:19:37,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:19:37,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:19:37,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 07:19:37,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:19:37,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 07:19:37,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:19:37,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:19:37,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:19:37,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:19:37,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:19:37,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:19:37,187 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-08-13 07:19:37,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:19:37,196 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size [2021-08-13 07:19:37,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:19:37,206 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size [2021-08-13 07:19:37,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 07:19:37,215 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-08-13 07:19:37,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:19:37,226 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-08-13 07:19:37,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:19:37,238 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-08-13 07:19:37,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:19:37,252 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-08-13 07:19:37,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:19:37,266 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-08-13 07:19:37,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:19:37,281 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-08-13 07:19:37,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:19:37,297 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-08-13 07:19:37,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:19:37,316 INFO L142 QuantifierPusher]: treesize reduction 18, result has 64.0 percent of original size [2021-08-13 07:19:37,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 07:19:37,336 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-08-13 07:19:37,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 07:19:37,360 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.1 percent of original size [2021-08-13 07:19:37,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 07:19:37,376 INFO L142 QuantifierPusher]: treesize reduction 15, result has 77.6 percent of original size [2021-08-13 07:19:37,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-13 07:19:37,417 INFO L142 QuantifierPusher]: treesize reduction 49, result has 48.4 percent of original size [2021-08-13 07:19:37,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:19:37,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:19:37,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 07:19:37,473 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 07:19:37,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 07:19:37,494 INFO L142 QuantifierPusher]: treesize reduction 10, result has 75.0 percent of original size [2021-08-13 07:19:37,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:19:37,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:19:37,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 07:19:37,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:19:37,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:19:37,557 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 07:19:37,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 07:19:37,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:19:37,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:19:37,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:19:37,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:19:37,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:19:37,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:19:37,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:19:37,588 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:19:37,588 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32166884] [2021-08-13 07:19:37,588 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32166884] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:19:37,588 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:19:37,588 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-08-13 07:19:37,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720959167] [2021-08-13 07:19:37,589 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-08-13 07:19:37,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:19:37,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-08-13 07:19:37,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=637, Unknown=0, NotChecked=0, Total=702 [2021-08-13 07:19:37,590 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 142 [2021-08-13 07:19:37,591 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 759 places, 13039 transitions, 325891 flow. Second operand has 27 states, 27 states have (on average 59.111111111111114) internal successors, (1596), 27 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:19:37,591 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:19:37,591 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 142 [2021-08-13 07:19:37,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:19:39,093 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 62 [2021-08-13 07:19:39,452 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 61 [2021-08-13 07:19:39,854 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 65 [2021-08-13 07:19:40,306 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2021-08-13 07:19:40,840 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2021-08-13 07:19:41,215 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 62 [2021-08-13 07:19:41,643 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-08-13 07:19:41,796 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2021-08-13 07:19:41,936 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 64 [2021-08-13 07:19:42,078 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 62 [2021-08-13 07:19:42,279 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2021-08-13 07:19:42,431 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2021-08-13 07:19:42,582 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-08-13 07:19:42,809 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2021-08-13 07:19:42,986 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-08-13 07:19:43,127 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 65 [2021-08-13 07:19:43,374 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-08-13 07:19:43,604 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 75 [2021-08-13 07:19:43,738 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2021-08-13 07:19:43,976 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 69 [2021-08-13 07:19:44,155 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2021-08-13 07:19:44,336 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 73 [2021-08-13 07:19:44,483 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2021-08-13 07:19:44,751 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 75 [2021-08-13 07:19:44,960 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 69 [2021-08-13 07:19:45,134 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-08-13 07:19:45,428 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2021-08-13 07:19:45,650 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-08-13 07:19:45,885 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 74 [2021-08-13 07:19:46,164 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-08-13 07:19:46,398 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 80 [2021-08-13 07:19:46,603 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-08-13 07:19:46,961 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2021-08-13 07:19:47,196 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 78 [2021-08-13 07:19:47,557 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-08-13 07:19:47,765 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 74 [2021-08-13 07:19:48,091 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2021-08-13 07:19:48,336 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 80 [2021-08-13 07:19:48,570 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 79 [2021-08-13 07:19:48,942 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 86 [2021-08-13 07:19:49,174 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-08-13 07:19:49,614 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 88 [2021-08-13 07:19:49,867 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-08-13 07:19:50,466 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 91 [2021-08-13 07:19:51,094 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 89 [2021-08-13 07:19:51,750 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 85 [2021-08-13 07:19:52,645 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 90 [2021-08-13 07:21:12,942 INFO L129 PetriNetUnfolder]: 18238/43354 cut-off events. [2021-08-13 07:21:12,943 INFO L130 PetriNetUnfolder]: For 241911/270994 co-relation queries the response was YES. [2021-08-13 07:21:13,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 488567 conditions, 43354 events. 18238/43354 cut-off events. For 241911/270994 co-relation queries the response was YES. Maximal size of possible extension queue 729. Compared 439371 event pairs, 823 based on Foata normal form. 453/42011 useless extension candidates. Maximal degree in co-relation 488550. Up to 22973 conditions per place. [2021-08-13 07:21:13,274 INFO L132 encePairwiseOnDemand]: 109/142 looper letters, 8299 selfloop transitions, 5100 changer transitions 46/13500 dead transitions. [2021-08-13 07:21:13,274 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 843 places, 13500 transitions, 364265 flow [2021-08-13 07:21:13,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-08-13 07:21:13,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2021-08-13 07:21:13,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 5485 transitions. [2021-08-13 07:21:13,278 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.4544324772162386 [2021-08-13 07:21:13,278 INFO L72 ComplementDD]: Start complementDD. Operand 85 states and 5485 transitions. [2021-08-13 07:21:13,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 85 states and 5485 transitions. [2021-08-13 07:21:13,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:21:13,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 85 states and 5485 transitions. [2021-08-13 07:21:13,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 86 states, 85 states have (on average 64.52941176470588) internal successors, (5485), 85 states have internal predecessors, (5485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:21:13,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 86 states, 86 states have (on average 142.0) internal successors, (12212), 86 states have internal predecessors, (12212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:21:13,290 INFO L81 ComplementDD]: Finished complementDD. Result has 86 states, 86 states have (on average 142.0) internal successors, (12212), 86 states have internal predecessors, (12212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:21:13,291 INFO L348 CegarLoopForPetriNet]: 127 programPoint places, 716 predicate places. [2021-08-13 07:21:13,291 INFO L482 AbstractCegarLoop]: Abstraction has has 843 places, 13500 transitions, 364265 flow [2021-08-13 07:21:13,291 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 59.111111111111114) internal successors, (1596), 27 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:21:13,291 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:21:13,291 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:21:13,291 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-13 07:21:13,291 INFO L430 AbstractCegarLoop]: === Iteration 16 === [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]=== [2021-08-13 07:21:13,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:21:13,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1154631329, now seen corresponding path program 13 times [2021-08-13 07:21:13,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:21:13,292 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859965610] [2021-08-13 07:21:13,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:21:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:21:13,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:21:13,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:21:13,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:21:13,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 07:21:13,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:21:13,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 07:21:13,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:21:13,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:21:13,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:21:13,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:21:13,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:21:13,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:21:13,371 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-08-13 07:21:13,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:21:13,381 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size [2021-08-13 07:21:13,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:21:13,390 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size [2021-08-13 07:21:13,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 07:21:13,399 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-08-13 07:21:13,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:21:13,411 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-08-13 07:21:13,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:21:13,423 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-08-13 07:21:13,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:21:13,436 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-08-13 07:21:13,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:21:13,462 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-08-13 07:21:13,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:21:13,478 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-08-13 07:21:13,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:21:13,495 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-08-13 07:21:13,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:21:13,511 INFO L142 QuantifierPusher]: treesize reduction 18, result has 64.0 percent of original size [2021-08-13 07:21:13,625 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2021-08-13 07:21:13,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 07:21:13,642 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-08-13 07:21:13,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 07:21:13,662 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.1 percent of original size [2021-08-13 07:21:13,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 07:21:13,675 INFO L142 QuantifierPusher]: treesize reduction 52, result has 41.6 percent of original size [2021-08-13 07:21:13,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-08-13 07:21:13,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:21:13,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 07:21:13,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:21:13,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 07:21:13,728 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-08-13 07:21:13,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 07:21:13,750 INFO L142 QuantifierPusher]: treesize reduction 10, result has 75.0 percent of original size [2021-08-13 07:21:13,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 07:21:13,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:21:13,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 07:21:13,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:21:13,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:21:13,816 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 07:21:13,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 07:21:13,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:21:13,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:21:13,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:21:13,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:21:13,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:21:13,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:21:13,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:21:13,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:21:13,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859965610] [2021-08-13 07:21:13,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859965610] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:21:13,846 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:21:13,846 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-08-13 07:21:13,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100111349] [2021-08-13 07:21:13,846 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-08-13 07:21:13,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:21:13,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-08-13 07:21:13,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2021-08-13 07:21:13,848 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 142 [2021-08-13 07:21:13,849 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 843 places, 13500 transitions, 364265 flow. Second operand has 27 states, 27 states have (on average 59.111111111111114) internal successors, (1596), 27 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:21:13,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:21:13,849 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 142 [2021-08-13 07:21:13,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:21:15,321 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 62 [2021-08-13 07:21:15,673 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 61 [2021-08-13 07:21:16,072 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 66 [2021-08-13 07:21:16,468 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2021-08-13 07:21:16,690 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-08-13 07:21:17,091 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2021-08-13 07:21:17,464 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 62 [2021-08-13 07:21:17,887 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-08-13 07:21:18,039 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2021-08-13 07:21:18,178 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 64 [2021-08-13 07:21:18,515 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2021-08-13 07:21:18,666 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2021-08-13 07:21:18,815 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-08-13 07:21:19,043 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2021-08-13 07:21:19,219 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-08-13 07:21:19,360 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 65 [2021-08-13 07:21:19,592 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 76 [2021-08-13 07:21:19,815 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-08-13 07:21:20,003 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 75 [2021-08-13 07:21:20,134 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2021-08-13 07:21:20,315 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 81 [2021-08-13 07:21:20,549 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 70 [2021-08-13 07:21:20,759 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 73 [2021-08-13 07:21:20,908 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2021-08-13 07:21:21,057 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2021-08-13 07:21:21,336 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 72 [2021-08-13 07:21:21,540 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-08-13 07:21:21,710 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 69 [2021-08-13 07:21:21,981 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-08-13 07:21:22,187 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 74 [2021-08-13 07:21:22,426 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 74 [2021-08-13 07:21:22,781 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 76 [2021-08-13 07:21:23,004 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2021-08-13 07:21:23,327 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 78 [2021-08-13 07:21:23,540 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 75 [2021-08-13 07:21:23,882 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 81 [2021-08-13 07:21:24,082 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 71 [2021-08-13 07:21:24,398 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-08-13 07:21:24,626 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 79 [2021-08-13 07:21:24,844 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2021-08-13 07:21:25,226 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 84 [2021-08-13 07:21:25,499 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-08-13 07:21:25,944 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2021-08-13 07:21:26,190 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 80 [2021-08-13 07:21:26,744 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 89 [2021-08-13 07:21:27,361 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-08-13 07:21:28,094 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-08-13 07:21:29,080 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 88 [2021-08-13 07:23:18,856 INFO L129 PetriNetUnfolder]: 18409/43787 cut-off events. [2021-08-13 07:23:18,856 INFO L130 PetriNetUnfolder]: For 272903/287866 co-relation queries the response was YES. [2021-08-13 07:23:18,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 528883 conditions, 43787 events. 18409/43787 cut-off events. For 272903/287866 co-relation queries the response was YES. Maximal size of possible extension queue 741. Compared 445054 event pairs, 729 based on Foata normal form. 453/42428 useless extension candidates. Maximal degree in co-relation 528865. Up to 23319 conditions per place. [2021-08-13 07:23:19,275 INFO L132 encePairwiseOnDemand]: 109/142 looper letters, 8381 selfloop transitions, 5168 changer transitions 46/13650 dead transitions. [2021-08-13 07:23:19,275 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 928 places, 13650 transitions, 395537 flow [2021-08-13 07:23:19,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-08-13 07:23:19,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2021-08-13 07:23:19,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 5538 transitions. [2021-08-13 07:23:19,279 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.45348837209302323 [2021-08-13 07:23:19,279 INFO L72 ComplementDD]: Start complementDD. Operand 86 states and 5538 transitions. [2021-08-13 07:23:19,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 5538 transitions. [2021-08-13 07:23:19,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:23:19,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 86 states and 5538 transitions. [2021-08-13 07:23:19,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 87 states, 86 states have (on average 64.3953488372093) internal successors, (5538), 86 states have internal predecessors, (5538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:23:19,295 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 87 states, 87 states have (on average 142.0) internal successors, (12354), 87 states have internal predecessors, (12354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:23:19,295 INFO L81 ComplementDD]: Finished complementDD. Result has 87 states, 87 states have (on average 142.0) internal successors, (12354), 87 states have internal predecessors, (12354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:23:19,296 INFO L348 CegarLoopForPetriNet]: 127 programPoint places, 801 predicate places. [2021-08-13 07:23:19,296 INFO L482 AbstractCegarLoop]: Abstraction has has 928 places, 13650 transitions, 395537 flow [2021-08-13 07:23:19,296 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 59.111111111111114) internal successors, (1596), 27 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:23:19,296 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:23:19,296 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:23:19,296 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-13 07:23:19,296 INFO L430 AbstractCegarLoop]: === Iteration 17 === [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]=== [2021-08-13 07:23:19,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:23:19,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1075702815, now seen corresponding path program 14 times [2021-08-13 07:23:19,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:23:19,297 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504240268] [2021-08-13 07:23:19,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:23:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:23:19,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:23:19,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:23:19,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:23:19,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 07:23:19,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:23:19,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 07:23:19,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:23:19,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:23:19,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:23:19,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 07:23:19,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:23:19,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 07:23:19,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:23:19,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 07:23:19,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:23:19,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 07:23:19,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:23:19,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 07:23:19,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:23:19,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:23:19,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:23:19,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:23:19,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:23:19,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:23:19,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:23:19,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:23:19,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:23:19,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:23:19,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:23:19,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:23:19,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:23:19,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:23:19,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:23:19,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 07:23:19,526 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-08-13 07:23:19,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 07:23:19,548 INFO L142 QuantifierPusher]: treesize reduction 17, result has 67.3 percent of original size [2021-08-13 07:23:19,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 07:23:19,573 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-08-13 07:23:19,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 07:23:19,597 INFO L142 QuantifierPusher]: treesize reduction 22, result has 66.7 percent of original size [2021-08-13 07:23:19,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 07:23:19,631 INFO L142 QuantifierPusher]: treesize reduction 22, result has 64.5 percent of original size [2021-08-13 07:23:19,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-08-13 07:23:19,664 INFO L142 QuantifierPusher]: treesize reduction 43, result has 48.8 percent of original size [2021-08-13 07:23:19,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-13 07:23:19,699 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-08-13 07:23:19,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 07:23:19,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:23:19,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 07:23:19,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:23:19,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 07:23:19,754 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 07:23:19,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 07:23:19,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:23:19,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:23:19,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 07:23:19,783 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:23:19,783 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504240268] [2021-08-13 07:23:19,783 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504240268] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:23:19,784 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:23:19,784 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-13 07:23:19,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569287453] [2021-08-13 07:23:19,784 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-08-13 07:23:19,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:23:19,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-13 07:23:19,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-08-13 07:23:19,786 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 142 [2021-08-13 07:23:19,786 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 928 places, 13650 transitions, 395537 flow. Second operand has 28 states, 28 states have (on average 60.0) internal successors, (1680), 28 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:23:19,786 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:23:19,786 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 142 [2021-08-13 07:23:19,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:23:20,699 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2021-08-13 07:23:20,862 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 61 [2021-08-13 07:23:21,325 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2021-08-13 07:23:21,636 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-08-13 07:23:21,919 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-08-13 07:23:22,264 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-08-13 07:23:22,582 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-08-13 07:23:22,758 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 74 [2021-08-13 07:23:23,086 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 76 [2021-08-13 07:23:23,277 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 77 [2021-08-13 07:23:23,611 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 78 [2021-08-13 07:23:23,844 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2021-08-13 07:23:24,198 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-08-13 07:23:24,382 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 73 [2021-08-13 07:23:24,805 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 79 [2021-08-13 07:23:25,003 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2021-08-13 07:23:25,479 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2021-08-13 07:23:25,675 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 77 [2021-08-13 07:23:26,186 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 80 [2021-08-13 07:23:26,405 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 82 [2021-08-13 07:23:27,122 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2021-08-13 07:23:27,995 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 Received shutdown request... [2021-08-13 07:24:45,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-13 07:24:45,635 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-13 07:24:45,635 WARN L547 AbstractCegarLoop]: Verification canceled [2021-08-13 07:24:45,637 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 07:24:45,638 WARN L188 ceAbstractionStarter]: Timeout [2021-08-13 07:24:45,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 07:24:45 BasicIcfg [2021-08-13 07:24:45,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 07:24:45,639 INFO L168 Benchmark]: Toolchain (without parser) took 540447.66 ms. Allocated memory was 205.5 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 168.0 MB in the beginning and 242.6 MB in the end (delta: -74.6 MB). Peak memory consumption was 2.0 GB. Max. memory is 8.0 GB. [2021-08-13 07:24:45,639 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 205.5 MB. Free memory is still 186.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 07:24:45,639 INFO L168 Benchmark]: CACSL2BoogieTranslator took 494.17 ms. Allocated memory is still 205.5 MB. Free memory was 167.9 MB in the beginning and 155.2 MB in the end (delta: 12.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 8.0 GB. [2021-08-13 07:24:45,639 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.38 ms. Allocated memory is still 205.5 MB. Free memory was 155.2 MB in the beginning and 153.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-13 07:24:45,639 INFO L168 Benchmark]: Boogie Preprocessor took 44.00 ms. Allocated memory is still 205.5 MB. Free memory was 153.1 MB in the beginning and 151.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-13 07:24:45,639 INFO L168 Benchmark]: RCFGBuilder took 486.78 ms. Allocated memory is still 205.5 MB. Free memory was 151.0 MB in the beginning and 119.1 MB in the end (delta: 32.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. [2021-08-13 07:24:45,639 INFO L168 Benchmark]: TraceAbstraction took 539380.10 ms. Allocated memory was 205.5 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 118.5 MB in the beginning and 242.6 MB in the end (delta: -124.1 MB). Peak memory consumption was 1.9 GB. Max. memory is 8.0 GB. [2021-08-13 07:24:45,640 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 205.5 MB. Free memory is still 186.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 494.17 ms. Allocated memory is still 205.5 MB. Free memory was 167.9 MB in the beginning and 155.2 MB in the end (delta: 12.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 37.38 ms. Allocated memory is still 205.5 MB. Free memory was 155.2 MB in the beginning and 153.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 44.00 ms. Allocated memory is still 205.5 MB. Free memory was 153.1 MB in the beginning and 151.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 486.78 ms. Allocated memory is still 205.5 MB. Free memory was 151.0 MB in the beginning and 119.1 MB in the end (delta: 32.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 539380.10 ms. Allocated memory was 205.5 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 118.5 MB in the beginning and 242.6 MB in the end (delta: -124.1 MB). Peak memory consumption was 1.9 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 832]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (28states, 58/142 universal loopers) in iteration 17,while PetriNetUnfolder was constructing finite prefix that currently has 451231 conditions, 35017 events (14501/35016 cut-off events. For 249267/258976 co-relation queries the response was YES. Maximal size of possible extension queue 787. Compared 369662 event pairs, 259 based on Foata normal form. 23/34182 useless extension candidates. Maximal degree in co-relation 451212. Up to 19840 conditions per place.). - TimeoutResultAtElement [Line: 836]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (28states, 58/142 universal loopers) in iteration 17,while PetriNetUnfolder was constructing finite prefix that currently has 451231 conditions, 35017 events (14501/35016 cut-off events. For 249267/258976 co-relation queries the response was YES. Maximal size of possible extension queue 787. Compared 369662 event pairs, 259 based on Foata normal form. 23/34182 useless extension candidates. Maximal degree in co-relation 451212. Up to 19840 conditions per place.). - TimeoutResultAtElement [Line: 837]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (28states, 58/142 universal loopers) in iteration 17,while PetriNetUnfolder was constructing finite prefix that currently has 451231 conditions, 35017 events (14501/35016 cut-off events. For 249267/258976 co-relation queries the response was YES. Maximal size of possible extension queue 787. Compared 369662 event pairs, 259 based on Foata normal form. 23/34182 useless extension candidates. Maximal degree in co-relation 451212. Up to 19840 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 198 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 539263.0ms, OverallIterations: 17, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 529990.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 78.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2419 SDtfs, 13578 SDslu, 26175 SDs, 0 SdLazy, 31894 SolverSat, 680 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14152.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1252 GetRequests, 48 SyntacticMatches, 7 SemanticMatches, 1197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16882 ImplicationChecksByTransitivity, 110228.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=395537occurred in iteration=16, InterpolantAutomatonStates: 817, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 33.4ms SsaConstructionTime, 222.2ms SatisfiabilityAnalysisTime, 8777.6ms InterpolantComputationTime, 1326 NumberOfCodeBlocks, 1326 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1309 ConstructedInterpolants, 0 QuantifiedInterpolants, 18717 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown