/usr/bin/java -Xmx16000000000 -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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/queue_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 18:50:25,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 18:50:25,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 18:50:25,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 18:50:25,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 18:50:25,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 18:50:25,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 18:50:25,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 18:50:25,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 18:50:25,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 18:50:25,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 18:50:25,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 18:50:25,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 18:50:25,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 18:50:25,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 18:50:25,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 18:50:25,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 18:50:25,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 18:50:25,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 18:50:25,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 18:50:25,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 18:50:25,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 18:50:25,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 18:50:25,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 18:50:25,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 18:50:25,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 18:50:25,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 18:50:25,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 18:50:25,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 18:50:25,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 18:50:25,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 18:50:25,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 18:50:25,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 18:50:25,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 18:50:25,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 18:50:25,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 18:50:25,242 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2021-03-11 18:50:25,276 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 18:50:25,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 18:50:25,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 18:50:25,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 18:50:25,280 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 18:50:25,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 18:50:25,280 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 18:50:25,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 18:50:25,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 18:50:25,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 18:50:25,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 18:50:25,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 18:50:25,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 18:50:25,282 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 18:50:25,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 18:50:25,282 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 18:50:25,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 18:50:25,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 18:50:25,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 18:50:25,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 18:50:25,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 18:50:25,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 18:50:25,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 18:50:25,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 18:50:25,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 18:50:25,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 18:50:25,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 18:50:25,284 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 18:50:25,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 18:50:25,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 18:50:25,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 18:50:25,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 18:50:25,618 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 18:50:25,619 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 18:50:25,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2021-03-11 18:50:25,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68ebb9c95/114cab0fedfb4d40aa1f23bf73456527/FLAGf2867f326 [2021-03-11 18:50:26,221 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 18:50:26,221 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2021-03-11 18:50:26,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68ebb9c95/114cab0fedfb4d40aa1f23bf73456527/FLAGf2867f326 [2021-03-11 18:50:26,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68ebb9c95/114cab0fedfb4d40aa1f23bf73456527 [2021-03-11 18:50:26,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 18:50:26,517 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 18:50:26,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 18:50:26,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 18:50:26,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 18:50:26,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 06:50:26" (1/1) ... [2021-03-11 18:50:26,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783bd83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:50:26, skipping insertion in model container [2021-03-11 18:50:26,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 06:50:26" (1/1) ... [2021-03-11 18:50:26,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 18:50:26,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 18:50:26,964 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i[43296,43309] [2021-03-11 18:50:26,977 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i[43503,43516] [2021-03-11 18:50:26,982 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i[43783,43796] [2021-03-11 18:50:26,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 18:50:26,997 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 18:50:27,047 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i[43296,43309] [2021-03-11 18:50:27,049 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i[43503,43516] [2021-03-11 18:50:27,050 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i[43783,43796] [2021-03-11 18:50:27,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 18:50:27,182 INFO L208 MainTranslator]: Completed translation [2021-03-11 18:50:27,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:50:27 WrapperNode [2021-03-11 18:50:27,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 18:50:27,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 18:50:27,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 18:50:27,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 18:50:27,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:50:27" (1/1) ... [2021-03-11 18:50:27,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:50:27" (1/1) ... [2021-03-11 18:50:27,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 18:50:27,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 18:50:27,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 18:50:27,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 18:50:27,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:50:27" (1/1) ... [2021-03-11 18:50:27,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:50:27" (1/1) ... [2021-03-11 18:50:27,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:50:27" (1/1) ... [2021-03-11 18:50:27,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:50:27" (1/1) ... [2021-03-11 18:50:27,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:50:27" (1/1) ... [2021-03-11 18:50:27,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:50:27" (1/1) ... [2021-03-11 18:50:27,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:50:27" (1/1) ... [2021-03-11 18:50:27,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 18:50:27,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 18:50:27,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 18:50:27,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 18:50:27,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:50:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 18:50:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-03-11 18:50:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-03-11 18:50:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-03-11 18:50:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-03-11 18:50:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 18:50:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 18:50:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 18:50:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 18:50:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-11 18:50:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 18:50:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 18:50:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 18:50:27,380 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 18:50:28,003 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 18:50:28,003 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-03-11 18:50:28,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 06:50:28 BoogieIcfgContainer [2021-03-11 18:50:28,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 18:50:28,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 18:50:28,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 18:50:28,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 18:50:28,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 06:50:26" (1/3) ... [2021-03-11 18:50:28,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe57ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 06:50:28, skipping insertion in model container [2021-03-11 18:50:28,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:50:27" (2/3) ... [2021-03-11 18:50:28,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe57ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 06:50:28, skipping insertion in model container [2021-03-11 18:50:28,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 06:50:28" (3/3) ... [2021-03-11 18:50:28,018 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_longest.i [2021-03-11 18:50:28,024 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 18:50:28,030 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-03-11 18:50:28,030 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 18:50:28,076 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,076 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,076 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,076 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,077 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,077 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,077 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,077 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,077 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,078 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,078 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,078 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,078 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,078 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,078 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,078 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,078 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,079 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,079 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,079 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,079 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,079 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,079 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,079 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,079 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,080 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,080 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,080 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,080 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,080 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,080 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,080 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,080 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,081 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,081 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,081 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,081 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,081 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,081 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,081 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,081 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,082 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,082 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,082 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,082 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,082 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,082 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,082 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,082 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,082 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,083 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,083 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,083 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,083 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,083 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,083 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,083 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,083 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,084 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,084 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,084 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,084 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,084 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,084 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,084 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,084 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,085 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,085 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,085 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,085 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,085 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,085 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,085 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,086 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,086 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,086 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,086 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,086 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,086 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,086 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,087 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,087 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,087 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,087 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,087 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,087 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,087 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,087 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,087 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,088 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,088 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,088 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,088 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,088 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,088 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,088 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,088 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,089 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,089 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,089 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,089 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,089 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,089 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,089 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,089 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,089 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,090 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,090 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,090 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,090 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,090 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,090 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,090 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,091 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,091 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,091 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,091 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,091 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,091 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,091 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,091 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,092 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,092 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,092 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,092 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,092 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,092 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,092 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,092 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,093 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,093 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,093 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,093 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,093 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,093 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,093 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,093 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,093 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,094 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,094 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,094 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,094 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,094 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,094 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,094 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,095 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,095 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,095 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,095 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,095 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,095 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,095 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,095 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,096 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,096 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,096 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,096 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,096 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,096 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,096 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,097 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,097 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,097 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,097 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,097 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,097 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,097 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,097 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,098 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,098 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,098 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,098 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,098 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,098 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,098 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,098 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,099 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,099 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,099 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,099 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,099 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,099 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,099 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,099 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,100 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,100 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,100 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,100 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,100 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,100 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,100 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,101 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,101 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,101 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,101 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,101 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,101 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,101 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,101 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,102 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,102 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,102 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,102 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,102 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,102 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,102 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,102 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,103 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,103 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,103 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,103 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,103 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,103 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,103 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,105 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,105 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,105 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,105 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,105 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,105 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,105 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,106 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,106 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,106 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,106 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,106 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,106 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,106 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,106 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,107 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,107 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,107 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,107 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,107 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,107 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,107 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,108 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,108 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,108 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,108 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,108 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,108 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,108 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,108 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,109 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,109 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,109 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,109 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,109 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,109 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,109 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,109 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,110 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,111 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,111 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,111 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,111 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,111 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,111 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,111 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,111 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,111 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,112 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,112 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,112 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,112 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,112 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,112 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,112 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,112 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,112 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,113 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,113 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,113 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,113 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,113 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,113 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,113 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,113 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,113 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,114 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,114 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,114 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,114 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,114 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,114 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,114 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,114 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,115 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,115 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,115 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,115 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,115 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,116 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,116 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,116 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,116 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,116 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,116 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,116 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,117 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,117 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,117 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,117 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,117 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,117 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,117 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,117 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,118 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,118 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,118 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,118 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,118 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,118 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,118 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,118 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,118 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,119 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,119 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,119 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,119 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,119 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,119 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,119 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,119 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,120 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,120 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,120 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,120 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,120 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,120 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,120 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,121 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,121 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,121 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,121 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,121 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,121 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,121 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,122 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,122 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,122 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,122 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,122 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,122 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,122 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,123 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,123 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,123 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,123 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,123 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,123 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,123 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,124 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,124 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,124 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,124 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,124 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,124 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,124 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,125 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,125 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,125 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,125 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,125 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,125 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,125 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,126 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,126 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,126 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,126 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,126 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,126 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,127 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,127 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,127 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,128 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,128 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,128 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,128 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,128 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,128 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,128 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,129 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,129 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,129 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,129 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,129 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,129 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,129 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,130 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,130 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,130 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,130 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,130 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,130 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,130 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,132 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,132 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,132 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,132 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,132 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,132 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,132 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,132 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,133 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,133 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,133 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,133 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,133 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,133 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,133 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,133 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,134 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,135 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,135 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,135 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,135 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,135 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,135 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,135 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,135 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,136 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,136 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,136 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,136 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,136 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,136 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,136 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,136 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,137 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,137 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,137 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,137 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,137 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,137 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,137 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,137 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,137 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,138 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,138 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,138 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,138 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,138 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,138 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,138 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,138 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,138 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,139 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,139 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,139 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,139 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,139 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,139 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,140 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,140 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,140 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,140 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,140 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,140 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,140 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,140 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,141 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,141 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,141 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,141 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,141 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,141 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,141 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,142 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,142 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,142 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,142 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,142 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,142 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,142 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,142 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,143 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,143 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,143 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,143 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,143 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,143 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,143 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,144 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,144 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,144 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,144 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,144 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,144 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,144 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,145 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,145 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,145 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,145 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,145 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,145 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,145 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,146 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,146 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,146 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,146 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,146 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,146 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,146 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,146 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,147 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,147 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,147 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,147 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,147 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,147 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,147 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,148 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,148 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,148 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,148 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,148 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,148 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,148 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,149 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,149 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,149 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,149 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,149 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,149 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,149 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,150 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,150 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,150 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,150 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,150 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,150 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,150 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,151 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,151 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,151 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,151 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,151 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,153 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,154 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,154 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,154 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,154 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,154 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,154 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,155 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,155 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,155 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,155 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,155 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,155 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,155 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,156 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,156 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,156 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,156 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,156 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,156 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,156 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,156 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,157 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,157 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,157 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,157 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,157 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,157 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,157 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,158 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,158 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,158 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,158 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,158 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,158 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,162 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,162 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,162 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,163 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,163 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,164 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,164 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,165 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,165 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,165 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,165 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,165 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,165 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:50:28,170 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-11 18:50:28,186 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-11 18:50:28,216 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 18:50:28,216 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 18:50:28,216 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 18:50:28,216 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 18:50:28,216 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 18:50:28,217 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 18:50:28,217 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 18:50:28,217 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 18:50:28,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 241 places, 251 transitions, 524 flow [2021-03-11 18:50:28,352 INFO L129 PetriNetUnfolder]: 16/251 cut-off events. [2021-03-11 18:50:28,352 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-11 18:50:28,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 251 events. 16/251 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 386 event pairs, 0 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 181. Up to 3 conditions per place. [2021-03-11 18:50:28,376 INFO L82 GeneralOperation]: Start removeDead. Operand has 241 places, 251 transitions, 524 flow [2021-03-11 18:50:28,388 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 230 places, 239 transitions, 490 flow [2021-03-11 18:50:28,391 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 18:50:28,398 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 230 places, 239 transitions, 490 flow [2021-03-11 18:50:28,400 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 230 places, 239 transitions, 490 flow [2021-03-11 18:50:28,400 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 230 places, 239 transitions, 490 flow [2021-03-11 18:50:28,467 INFO L129 PetriNetUnfolder]: 15/241 cut-off events. [2021-03-11 18:50:28,467 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-11 18:50:28,472 INFO L84 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 241 events. 15/241 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 320 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 181. Up to 2 conditions per place. [2021-03-11 18:50:28,481 INFO L116 LiptonReduction]: Number of co-enabled transitions 15260 [2021-03-11 18:50:33,525 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-03-11 18:50:34,436 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2021-03-11 18:50:34,644 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-11 18:50:34,879 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2021-03-11 18:50:35,089 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-11 18:50:35,837 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 133 [2021-03-11 18:50:36,238 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-11 18:50:36,975 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 133 [2021-03-11 18:50:37,300 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-11 18:50:37,584 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2021-03-11 18:50:38,679 WARN L205 SmtUtils]: Spent 987.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2021-03-11 18:50:39,335 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2021-03-11 18:50:40,621 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 179 [2021-03-11 18:50:41,754 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 173 [2021-03-11 18:50:41,782 INFO L131 LiptonReduction]: Checked pairs total: 31397 [2021-03-11 18:50:41,783 INFO L133 LiptonReduction]: Total number of compositions: 212 [2021-03-11 18:50:41,784 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13396 [2021-03-11 18:50:41,789 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-11 18:50:41,789 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 18:50:41,789 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:50:41,790 INFO L255 CegarLoopForPetriNet]: trace histogram [1] [2021-03-11 18:50:41,790 INFO L428 AbstractCegarLoop]: === Iteration 1 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:50:41,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:50:41,794 INFO L82 PathProgramCache]: Analyzing trace with hash 982, now seen corresponding path program 1 times [2021-03-11 18:50:41,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:50:41,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682269331] [2021-03-11 18:50:41,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:50:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:50:41,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:50:41,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682269331] [2021-03-11 18:50:41,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:50:41,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-03-11 18:50:41,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016053972] [2021-03-11 18:50:41,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-11 18:50:41,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:50:41,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-11 18:50:41,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-11 18:50:41,943 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 463 [2021-03-11 18:50:41,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 64 transitions, 140 flow. Second operand has 2 states, 2 states have (on average 434.5) internal successors, (869), 2 states have internal predecessors, (869), 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) [2021-03-11 18:50:41,951 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:50:41,951 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 463 [2021-03-11 18:50:41,952 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:50:41,969 INFO L129 PetriNetUnfolder]: 8/63 cut-off events. [2021-03-11 18:50:41,969 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-11 18:50:41,970 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 63 events. 8/63 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 116 event pairs, 0 based on Foata normal form. 3/56 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2021-03-11 18:50:41,971 INFO L132 encePairwiseOnDemand]: 460/463 looper letters, 0 selfloop transitions, 0 changer transitions 0/61 dead transitions. [2021-03-11 18:50:41,971 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 61 transitions, 134 flow [2021-03-11 18:50:41,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-11 18:50:41,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-03-11 18:50:41,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 871 transitions. [2021-03-11 18:50:41,989 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9406047516198704 [2021-03-11 18:50:41,989 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 871 transitions. [2021-03-11 18:50:41,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 871 transitions. [2021-03-11 18:50:41,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:50:41,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 871 transitions. [2021-03-11 18:50:42,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 435.5) internal successors, (871), 2 states have internal predecessors, (871), 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) [2021-03-11 18:50:42,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 463.0) internal successors, (1389), 3 states have internal predecessors, (1389), 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) [2021-03-11 18:50:42,009 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 463.0) internal successors, (1389), 3 states have internal predecessors, (1389), 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) [2021-03-11 18:50:42,011 INFO L185 Difference]: Start difference. First operand has 60 places, 64 transitions, 140 flow. Second operand 2 states and 871 transitions. [2021-03-11 18:50:42,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 61 transitions, 134 flow [2021-03-11 18:50:42,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 61 transitions, 126 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-11 18:50:42,015 INFO L241 Difference]: Finished difference. Result has 56 places, 61 transitions, 126 flow [2021-03-11 18:50:42,017 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=126, PETRI_PLACES=56, PETRI_TRANSITIONS=61} [2021-03-11 18:50:42,017 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, -4 predicate places. [2021-03-11 18:50:42,017 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 61 transitions, 126 flow [2021-03-11 18:50:42,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 434.5) internal successors, (869), 2 states have internal predecessors, (869), 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) [2021-03-11 18:50:42,018 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:50:42,018 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:50:42,018 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 18:50:42,019 INFO L428 AbstractCegarLoop]: === Iteration 2 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:50:42,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:50:42,020 INFO L82 PathProgramCache]: Analyzing trace with hash -348496479, now seen corresponding path program 1 times [2021-03-11 18:50:42,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:50:42,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547014354] [2021-03-11 18:50:42,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:50:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:50:42,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:42,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:50:42,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:42,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 18:50:42,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:42,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:50:42,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:50:42,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547014354] [2021-03-11 18:50:42,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:50:42,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 18:50:42,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152385212] [2021-03-11 18:50:42,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 18:50:42,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:50:42,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 18:50:42,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 18:50:42,181 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 463 [2021-03-11 18:50:42,183 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 61 transitions, 126 flow. Second operand has 3 states, 3 states have (on average 422.0) internal successors, (1266), 3 states have internal predecessors, (1266), 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) [2021-03-11 18:50:42,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:50:42,183 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 463 [2021-03-11 18:50:42,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:50:42,197 INFO L129 PetriNetUnfolder]: 7/62 cut-off events. [2021-03-11 18:50:42,197 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 18:50:42,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 62 events. 7/62 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 113 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 68. Up to 3 conditions per place. [2021-03-11 18:50:42,198 INFO L132 encePairwiseOnDemand]: 459/463 looper letters, 1 selfloop transitions, 3 changer transitions 0/60 dead transitions. [2021-03-11 18:50:42,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 60 transitions, 132 flow [2021-03-11 18:50:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 18:50:42,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 18:50:42,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1268 transitions. [2021-03-11 18:50:42,201 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9128869690424766 [2021-03-11 18:50:42,201 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1268 transitions. [2021-03-11 18:50:42,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1268 transitions. [2021-03-11 18:50:42,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:50:42,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1268 transitions. [2021-03-11 18:50:42,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 422.6666666666667) internal successors, (1268), 3 states have internal predecessors, (1268), 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) [2021-03-11 18:50:42,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 463.0) internal successors, (1852), 4 states have internal predecessors, (1852), 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) [2021-03-11 18:50:42,208 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 463.0) internal successors, (1852), 4 states have internal predecessors, (1852), 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) [2021-03-11 18:50:42,208 INFO L185 Difference]: Start difference. First operand has 56 places, 61 transitions, 126 flow. Second operand 3 states and 1268 transitions. [2021-03-11 18:50:42,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 60 transitions, 132 flow [2021-03-11 18:50:42,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 60 transitions, 132 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 18:50:42,210 INFO L241 Difference]: Finished difference. Result has 58 places, 60 transitions, 130 flow [2021-03-11 18:50:42,210 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=130, PETRI_PLACES=58, PETRI_TRANSITIONS=60} [2021-03-11 18:50:42,211 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, -2 predicate places. [2021-03-11 18:50:42,211 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 60 transitions, 130 flow [2021-03-11 18:50:42,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 422.0) internal successors, (1266), 3 states have internal predecessors, (1266), 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) [2021-03-11 18:50:42,212 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:50:42,212 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:50:42,212 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 18:50:42,212 INFO L428 AbstractCegarLoop]: === Iteration 3 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:50:42,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:50:42,213 INFO L82 PathProgramCache]: Analyzing trace with hash 736671967, now seen corresponding path program 1 times [2021-03-11 18:50:42,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:50:42,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548848798] [2021-03-11 18:50:42,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:50:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:50:42,314 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-03-11 18:50:42,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 18:50:42,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:42,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:50:42,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:50:42,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548848798] [2021-03-11 18:50:42,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:50:42,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 18:50:42,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572009175] [2021-03-11 18:50:42,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 18:50:42,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:50:42,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 18:50:42,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 18:50:42,335 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 463 [2021-03-11 18:50:42,336 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 60 transitions, 130 flow. Second operand has 3 states, 3 states have (on average 412.6666666666667) internal successors, (1238), 3 states have internal predecessors, (1238), 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) [2021-03-11 18:50:42,336 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:50:42,336 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 463 [2021-03-11 18:50:42,336 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:50:42,359 INFO L129 PetriNetUnfolder]: 19/135 cut-off events. [2021-03-11 18:50:42,359 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 18:50:42,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 135 events. 19/135 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 264 event pairs, 0 based on Foata normal form. 2/117 useless extension candidates. Maximal degree in co-relation 155. Up to 12 conditions per place. [2021-03-11 18:50:42,360 INFO L132 encePairwiseOnDemand]: 459/463 looper letters, 4 selfloop transitions, 3 changer transitions 0/62 dead transitions. [2021-03-11 18:50:42,360 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 62 transitions, 148 flow [2021-03-11 18:50:42,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 18:50:42,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 18:50:42,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1244 transitions. [2021-03-11 18:50:42,363 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8956083513318934 [2021-03-11 18:50:42,363 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1244 transitions. [2021-03-11 18:50:42,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1244 transitions. [2021-03-11 18:50:42,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:50:42,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1244 transitions. [2021-03-11 18:50:42,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 414.6666666666667) internal successors, (1244), 3 states have internal predecessors, (1244), 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) [2021-03-11 18:50:42,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 463.0) internal successors, (1852), 4 states have internal predecessors, (1852), 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) [2021-03-11 18:50:42,370 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 463.0) internal successors, (1852), 4 states have internal predecessors, (1852), 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) [2021-03-11 18:50:42,370 INFO L185 Difference]: Start difference. First operand has 58 places, 60 transitions, 130 flow. Second operand 3 states and 1244 transitions. [2021-03-11 18:50:42,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 62 transitions, 148 flow [2021-03-11 18:50:42,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 62 transitions, 142 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 18:50:42,372 INFO L241 Difference]: Finished difference. Result has 59 places, 61 transitions, 139 flow [2021-03-11 18:50:42,373 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=139, PETRI_PLACES=59, PETRI_TRANSITIONS=61} [2021-03-11 18:50:42,373 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, -1 predicate places. [2021-03-11 18:50:42,373 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 61 transitions, 139 flow [2021-03-11 18:50:42,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 412.6666666666667) internal successors, (1238), 3 states have internal predecessors, (1238), 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) [2021-03-11 18:50:42,374 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:50:42,374 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:50:42,374 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 18:50:42,375 INFO L428 AbstractCegarLoop]: === Iteration 4 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:50:42,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:50:42,375 INFO L82 PathProgramCache]: Analyzing trace with hash 105269628, now seen corresponding path program 1 times [2021-03-11 18:50:42,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:50:42,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659046731] [2021-03-11 18:50:42,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:50:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:50:42,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:42,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 338 [2021-03-11 18:50:42,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:42,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 338 [2021-03-11 18:50:42,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:42,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 338 [2021-03-11 18:50:42,623 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-11 18:50:42,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 18:50:42,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:42,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 18:50:42,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:42,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 18:50:42,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:42,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:50:42,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:42,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:50:42,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:42,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:50:42,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:42,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:50:42,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:50:42,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659046731] [2021-03-11 18:50:42,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:50:42,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 18:50:42,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785799024] [2021-03-11 18:50:42,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 18:50:42,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:50:42,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 18:50:42,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 18:50:42,657 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 463 [2021-03-11 18:50:42,659 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 61 transitions, 139 flow. Second operand has 5 states, 5 states have (on average 270.2) internal successors, (1351), 5 states have internal predecessors, (1351), 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) [2021-03-11 18:50:42,659 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:50:42,659 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 463 [2021-03-11 18:50:42,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:50:43,017 INFO L129 PetriNetUnfolder]: 558/1161 cut-off events. [2021-03-11 18:50:43,017 INFO L130 PetriNetUnfolder]: For 63/63 co-relation queries the response was YES. [2021-03-11 18:50:43,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2186 conditions, 1161 events. 558/1161 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 5216 event pairs, 389 based on Foata normal form. 0/1002 useless extension candidates. Maximal degree in co-relation 2181. Up to 894 conditions per place. [2021-03-11 18:50:43,025 INFO L132 encePairwiseOnDemand]: 456/463 looper letters, 42 selfloop transitions, 9 changer transitions 0/72 dead transitions. [2021-03-11 18:50:43,025 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 72 transitions, 263 flow [2021-03-11 18:50:43,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 18:50:43,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-11 18:50:43,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1660 transitions. [2021-03-11 18:50:43,029 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.597552195824334 [2021-03-11 18:50:43,029 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1660 transitions. [2021-03-11 18:50:43,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1660 transitions. [2021-03-11 18:50:43,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:50:43,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1660 transitions. [2021-03-11 18:50:43,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 276.6666666666667) internal successors, (1660), 6 states have internal predecessors, (1660), 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) [2021-03-11 18:50:43,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 463.0) internal successors, (3241), 7 states have internal predecessors, (3241), 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) [2021-03-11 18:50:43,039 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 463.0) internal successors, (3241), 7 states have internal predecessors, (3241), 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) [2021-03-11 18:50:43,039 INFO L185 Difference]: Start difference. First operand has 59 places, 61 transitions, 139 flow. Second operand 6 states and 1660 transitions. [2021-03-11 18:50:43,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 72 transitions, 263 flow [2021-03-11 18:50:43,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 72 transitions, 260 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 18:50:43,045 INFO L241 Difference]: Finished difference. Result has 67 places, 69 transitions, 194 flow [2021-03-11 18:50:43,045 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=194, PETRI_PLACES=67, PETRI_TRANSITIONS=69} [2021-03-11 18:50:43,045 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 7 predicate places. [2021-03-11 18:50:43,045 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 69 transitions, 194 flow [2021-03-11 18:50:43,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 270.2) internal successors, (1351), 5 states have internal predecessors, (1351), 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) [2021-03-11 18:50:43,046 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:50:43,046 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:50:43,046 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 18:50:43,046 INFO L428 AbstractCegarLoop]: === Iteration 5 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:50:43,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:50:43,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1214814139, now seen corresponding path program 1 times [2021-03-11 18:50:43,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:50:43,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275705276] [2021-03-11 18:50:43,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:50:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:50:43,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:43,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 18:50:43,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:43,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 18:50:43,147 INFO L142 QuantifierPusher]: treesize reduction 24, result has 44.2 percent of original size [2021-03-11 18:50:43,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 18:50:43,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:43,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 18:50:43,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:43,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 18:50:43,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:43,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:50:43,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:50:43,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275705276] [2021-03-11 18:50:43,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:50:43,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 18:50:43,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256182417] [2021-03-11 18:50:43,169 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 18:50:43,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:50:43,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 18:50:43,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-11 18:50:43,172 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 463 [2021-03-11 18:50:43,173 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 69 transitions, 194 flow. Second operand has 6 states, 6 states have (on average 263.0) internal successors, (1578), 6 states have internal predecessors, (1578), 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) [2021-03-11 18:50:43,173 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:50:43,174 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 463 [2021-03-11 18:50:43,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:50:43,472 INFO L129 PetriNetUnfolder]: 667/1366 cut-off events. [2021-03-11 18:50:43,472 INFO L130 PetriNetUnfolder]: For 87/87 co-relation queries the response was YES. [2021-03-11 18:50:43,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2673 conditions, 1366 events. 667/1366 cut-off events. For 87/87 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 6468 event pairs, 142 based on Foata normal form. 4/1199 useless extension candidates. Maximal degree in co-relation 2664. Up to 795 conditions per place. [2021-03-11 18:50:43,481 INFO L132 encePairwiseOnDemand]: 447/463 looper letters, 63 selfloop transitions, 21 changer transitions 0/105 dead transitions. [2021-03-11 18:50:43,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 105 transitions, 449 flow [2021-03-11 18:50:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 18:50:43,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 18:50:43,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1907 transitions. [2021-03-11 18:50:43,486 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5883986423943227 [2021-03-11 18:50:43,486 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1907 transitions. [2021-03-11 18:50:43,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1907 transitions. [2021-03-11 18:50:43,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:50:43,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1907 transitions. [2021-03-11 18:50:43,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 272.42857142857144) internal successors, (1907), 7 states have internal predecessors, (1907), 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) [2021-03-11 18:50:43,495 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 463.0) internal successors, (3704), 8 states have internal predecessors, (3704), 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) [2021-03-11 18:50:43,497 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 463.0) internal successors, (3704), 8 states have internal predecessors, (3704), 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) [2021-03-11 18:50:43,498 INFO L185 Difference]: Start difference. First operand has 67 places, 69 transitions, 194 flow. Second operand 7 states and 1907 transitions. [2021-03-11 18:50:43,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 105 transitions, 449 flow [2021-03-11 18:50:43,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 105 transitions, 449 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 18:50:43,503 INFO L241 Difference]: Finished difference. Result has 76 places, 77 transitions, 304 flow [2021-03-11 18:50:43,503 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=304, PETRI_PLACES=76, PETRI_TRANSITIONS=77} [2021-03-11 18:50:43,503 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 16 predicate places. [2021-03-11 18:50:43,503 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 77 transitions, 304 flow [2021-03-11 18:50:43,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 263.0) internal successors, (1578), 6 states have internal predecessors, (1578), 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) [2021-03-11 18:50:43,504 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:50:43,504 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:50:43,504 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 18:50:43,504 INFO L428 AbstractCegarLoop]: === Iteration 6 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:50:43,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:50:43,505 INFO L82 PathProgramCache]: Analyzing trace with hash -996518455, now seen corresponding path program 1 times [2021-03-11 18:50:43,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:50:43,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736258334] [2021-03-11 18:50:43,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:50:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:50:43,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:43,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 18:50:43,609 INFO L142 QuantifierPusher]: treesize reduction 34, result has 61.4 percent of original size [2021-03-11 18:50:43,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-11 18:50:43,647 INFO L142 QuantifierPusher]: treesize reduction 20, result has 65.5 percent of original size [2021-03-11 18:50:43,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 18:50:43,680 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-03-11 18:50:43,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 18:50:43,683 INFO L142 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size [2021-03-11 18:50:43,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:50:43,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:43,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:50:43,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:43,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 18:50:43,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:43,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 18:50:43,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:43,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:50:43,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:50:43,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736258334] [2021-03-11 18:50:43,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:50:43,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 18:50:43,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674602438] [2021-03-11 18:50:43,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 18:50:43,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:50:43,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 18:50:43,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-11 18:50:43,778 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 463 [2021-03-11 18:50:43,780 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 77 transitions, 304 flow. Second operand has 9 states, 9 states have (on average 236.44444444444446) internal successors, (2128), 9 states have internal predecessors, (2128), 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) [2021-03-11 18:50:43,780 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:50:43,780 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 463 [2021-03-11 18:50:43,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:50:44,199 INFO L129 PetriNetUnfolder]: 681/1426 cut-off events. [2021-03-11 18:50:44,199 INFO L130 PetriNetUnfolder]: For 464/464 co-relation queries the response was YES. [2021-03-11 18:50:44,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3212 conditions, 1426 events. 681/1426 cut-off events. For 464/464 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 6834 event pairs, 450 based on Foata normal form. 0/1270 useless extension candidates. Maximal degree in co-relation 3200. Up to 1096 conditions per place. [2021-03-11 18:50:44,209 INFO L132 encePairwiseOnDemand]: 451/463 looper letters, 54 selfloop transitions, 19 changer transitions 0/92 dead transitions. [2021-03-11 18:50:44,209 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 92 transitions, 495 flow [2021-03-11 18:50:44,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 18:50:44,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-11 18:50:44,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2415 transitions. [2021-03-11 18:50:44,215 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.521598272138229 [2021-03-11 18:50:44,215 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2415 transitions. [2021-03-11 18:50:44,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2415 transitions. [2021-03-11 18:50:44,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:50:44,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2415 transitions. [2021-03-11 18:50:44,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 241.5) internal successors, (2415), 10 states have internal predecessors, (2415), 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) [2021-03-11 18:50:44,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 463.0) internal successors, (5093), 11 states have internal predecessors, (5093), 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) [2021-03-11 18:50:44,227 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 463.0) internal successors, (5093), 11 states have internal predecessors, (5093), 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) [2021-03-11 18:50:44,227 INFO L185 Difference]: Start difference. First operand has 76 places, 77 transitions, 304 flow. Second operand 10 states and 2415 transitions. [2021-03-11 18:50:44,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 92 transitions, 495 flow [2021-03-11 18:50:44,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 92 transitions, 481 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-11 18:50:44,235 INFO L241 Difference]: Finished difference. Result has 88 places, 88 transitions, 396 flow [2021-03-11 18:50:44,235 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=396, PETRI_PLACES=88, PETRI_TRANSITIONS=88} [2021-03-11 18:50:44,235 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 28 predicate places. [2021-03-11 18:50:44,235 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 88 transitions, 396 flow [2021-03-11 18:50:44,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 236.44444444444446) internal successors, (2128), 9 states have internal predecessors, (2128), 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) [2021-03-11 18:50:44,236 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:50:44,236 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:50:44,236 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 18:50:44,237 INFO L428 AbstractCegarLoop]: === Iteration 7 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:50:44,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:50:44,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1037070763, now seen corresponding path program 2 times [2021-03-11 18:50:44,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:50:44,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831622206] [2021-03-11 18:50:44,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:50:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:50:44,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:44,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 18:50:44,299 INFO L142 QuantifierPusher]: treesize reduction 11, result has 71.1 percent of original size [2021-03-11 18:50:44,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 18:50:44,316 INFO L142 QuantifierPusher]: treesize reduction 11, result has 70.3 percent of original size [2021-03-11 18:50:44,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 18:50:44,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:44,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 18:50:44,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:44,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 18:50:44,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:44,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:50:44,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:50:44,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831622206] [2021-03-11 18:50:44,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:50:44,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 18:50:44,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967260191] [2021-03-11 18:50:44,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 18:50:44,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:50:44,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 18:50:44,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-11 18:50:44,343 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 463 [2021-03-11 18:50:44,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 88 transitions, 396 flow. Second operand has 6 states, 6 states have (on average 261.0) internal successors, (1566), 6 states have internal predecessors, (1566), 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) [2021-03-11 18:50:44,345 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:50:44,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 463 [2021-03-11 18:50:44,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:50:44,630 INFO L129 PetriNetUnfolder]: 678/1437 cut-off events. [2021-03-11 18:50:44,630 INFO L130 PetriNetUnfolder]: For 550/552 co-relation queries the response was YES. [2021-03-11 18:50:44,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3337 conditions, 1437 events. 678/1437 cut-off events. For 550/552 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 6989 event pairs, 208 based on Foata normal form. 4/1290 useless extension candidates. Maximal degree in co-relation 3319. Up to 1013 conditions per place. [2021-03-11 18:50:44,641 INFO L132 encePairwiseOnDemand]: 456/463 looper letters, 66 selfloop transitions, 13 changer transitions 0/101 dead transitions. [2021-03-11 18:50:44,641 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 101 transitions, 584 flow [2021-03-11 18:50:44,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 18:50:44,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-11 18:50:44,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1613 transitions. [2021-03-11 18:50:44,646 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5806335493160547 [2021-03-11 18:50:44,646 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1613 transitions. [2021-03-11 18:50:44,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1613 transitions. [2021-03-11 18:50:44,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:50:44,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1613 transitions. [2021-03-11 18:50:44,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 268.8333333333333) internal successors, (1613), 6 states have internal predecessors, (1613), 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) [2021-03-11 18:50:44,654 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 463.0) internal successors, (3241), 7 states have internal predecessors, (3241), 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) [2021-03-11 18:50:44,655 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 463.0) internal successors, (3241), 7 states have internal predecessors, (3241), 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) [2021-03-11 18:50:44,655 INFO L185 Difference]: Start difference. First operand has 88 places, 88 transitions, 396 flow. Second operand 6 states and 1613 transitions. [2021-03-11 18:50:44,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 101 transitions, 584 flow [2021-03-11 18:50:44,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 101 transitions, 552 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-11 18:50:44,661 INFO L241 Difference]: Finished difference. Result has 89 places, 86 transitions, 391 flow [2021-03-11 18:50:44,661 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=391, PETRI_PLACES=89, PETRI_TRANSITIONS=86} [2021-03-11 18:50:44,661 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 29 predicate places. [2021-03-11 18:50:44,661 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 86 transitions, 391 flow [2021-03-11 18:50:44,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 261.0) internal successors, (1566), 6 states have internal predecessors, (1566), 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) [2021-03-11 18:50:44,662 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:50:44,662 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:50:44,662 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 18:50:44,662 INFO L428 AbstractCegarLoop]: === Iteration 8 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:50:44,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:50:44,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1030557728, now seen corresponding path program 1 times [2021-03-11 18:50:44,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:50:44,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461153094] [2021-03-11 18:50:44,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:50:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:50:44,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:44,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:50:44,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:44,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 18:50:44,763 INFO L142 QuantifierPusher]: treesize reduction 35, result has 56.3 percent of original size [2021-03-11 18:50:44,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 18:50:44,797 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-03-11 18:50:44,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:50:44,813 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-03-11 18:50:44,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:50:44,815 INFO L142 QuantifierPusher]: treesize reduction 14, result has 74.1 percent of original size [2021-03-11 18:50:44,816 INFO L147 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size 33 [2021-03-11 18:50:44,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:44,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:50:44,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:44,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 18:50:44,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:44,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 18:50:44,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:44,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:50:44,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:50:44,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461153094] [2021-03-11 18:50:44,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:50:44,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-11 18:50:44,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741134840] [2021-03-11 18:50:44,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 18:50:44,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:50:44,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 18:50:44,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-03-11 18:50:44,884 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 463 [2021-03-11 18:50:44,898 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 86 transitions, 391 flow. Second operand has 10 states, 10 states have (on average 229.4) internal successors, (2294), 10 states have internal predecessors, (2294), 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) [2021-03-11 18:50:44,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:50:44,898 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 463 [2021-03-11 18:50:44,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:50:45,506 INFO L129 PetriNetUnfolder]: 708/1526 cut-off events. [2021-03-11 18:50:45,506 INFO L130 PetriNetUnfolder]: For 583/583 co-relation queries the response was YES. [2021-03-11 18:50:45,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3526 conditions, 1526 events. 708/1526 cut-off events. For 583/583 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 7543 event pairs, 238 based on Foata normal form. 4/1364 useless extension candidates. Maximal degree in co-relation 3507. Up to 983 conditions per place. [2021-03-11 18:50:45,518 INFO L132 encePairwiseOnDemand]: 451/463 looper letters, 65 selfloop transitions, 25 changer transitions 7/116 dead transitions. [2021-03-11 18:50:45,518 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 116 transitions, 663 flow [2021-03-11 18:50:45,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 18:50:45,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-11 18:50:45,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2359 transitions. [2021-03-11 18:50:45,524 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5095032397408207 [2021-03-11 18:50:45,524 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2359 transitions. [2021-03-11 18:50:45,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2359 transitions. [2021-03-11 18:50:45,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:50:45,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2359 transitions. [2021-03-11 18:50:45,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 235.9) internal successors, (2359), 10 states have internal predecessors, (2359), 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) [2021-03-11 18:50:45,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 463.0) internal successors, (5093), 11 states have internal predecessors, (5093), 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) [2021-03-11 18:50:45,536 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 463.0) internal successors, (5093), 11 states have internal predecessors, (5093), 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) [2021-03-11 18:50:45,536 INFO L185 Difference]: Start difference. First operand has 89 places, 86 transitions, 391 flow. Second operand 10 states and 2359 transitions. [2021-03-11 18:50:45,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 116 transitions, 663 flow [2021-03-11 18:50:45,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 116 transitions, 642 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-11 18:50:45,541 INFO L241 Difference]: Finished difference. Result has 98 places, 91 transitions, 477 flow [2021-03-11 18:50:45,542 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=477, PETRI_PLACES=98, PETRI_TRANSITIONS=91} [2021-03-11 18:50:45,542 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 38 predicate places. [2021-03-11 18:50:45,542 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 91 transitions, 477 flow [2021-03-11 18:50:45,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 229.4) internal successors, (2294), 10 states have internal predecessors, (2294), 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) [2021-03-11 18:50:45,543 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:50:45,543 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:50:45,543 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 18:50:45,543 INFO L428 AbstractCegarLoop]: === Iteration 9 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:50:45,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:50:45,543 INFO L82 PathProgramCache]: Analyzing trace with hash -922098246, now seen corresponding path program 2 times [2021-03-11 18:50:45,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:50:45,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308245704] [2021-03-11 18:50:45,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:50:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:50:45,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:45,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 18:50:45,646 INFO L142 QuantifierPusher]: treesize reduction 35, result has 66.0 percent of original size [2021-03-11 18:50:45,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-11 18:50:45,684 INFO L142 QuantifierPusher]: treesize reduction 21, result has 68.2 percent of original size [2021-03-11 18:50:45,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 18:50:45,716 INFO L142 QuantifierPusher]: treesize reduction 13, result has 77.6 percent of original size [2021-03-11 18:50:45,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 18:50:45,719 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.2 percent of original size [2021-03-11 18:50:45,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 18:50:45,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:45,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 18:50:45,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:45,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 18:50:45,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:45,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:50:45,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:45,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:50:45,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:45,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:50:45,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:50:45,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308245704] [2021-03-11 18:50:45,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:50:45,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-11 18:50:45,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690801246] [2021-03-11 18:50:45,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 18:50:45,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:50:45,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 18:50:45,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-03-11 18:50:45,814 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 463 [2021-03-11 18:50:45,816 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 91 transitions, 477 flow. Second operand has 10 states, 10 states have (on average 229.4) internal successors, (2294), 10 states have internal predecessors, (2294), 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) [2021-03-11 18:50:45,816 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:50:45,816 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 463 [2021-03-11 18:50:45,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:50:46,441 INFO L129 PetriNetUnfolder]: 727/1594 cut-off events. [2021-03-11 18:50:46,441 INFO L130 PetriNetUnfolder]: For 843/847 co-relation queries the response was YES. [2021-03-11 18:50:46,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3826 conditions, 1594 events. 727/1594 cut-off events. For 843/847 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 8193 event pairs, 227 based on Foata normal form. 8/1429 useless extension candidates. Maximal degree in co-relation 3803. Up to 937 conditions per place. [2021-03-11 18:50:46,454 INFO L132 encePairwiseOnDemand]: 452/463 looper letters, 68 selfloop transitions, 27 changer transitions 5/119 dead transitions. [2021-03-11 18:50:46,454 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 119 transitions, 764 flow [2021-03-11 18:50:46,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 18:50:46,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 18:50:46,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2128 transitions. [2021-03-11 18:50:46,459 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5106791456683465 [2021-03-11 18:50:46,459 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2128 transitions. [2021-03-11 18:50:46,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2128 transitions. [2021-03-11 18:50:46,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:50:46,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2128 transitions. [2021-03-11 18:50:46,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 236.44444444444446) internal successors, (2128), 9 states have internal predecessors, (2128), 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) [2021-03-11 18:50:46,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 463.0) internal successors, (4630), 10 states have internal predecessors, (4630), 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) [2021-03-11 18:50:46,470 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 463.0) internal successors, (4630), 10 states have internal predecessors, (4630), 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) [2021-03-11 18:50:46,470 INFO L185 Difference]: Start difference. First operand has 98 places, 91 transitions, 477 flow. Second operand 9 states and 2128 transitions. [2021-03-11 18:50:46,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 119 transitions, 764 flow [2021-03-11 18:50:46,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 119 transitions, 715 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-03-11 18:50:46,476 INFO L241 Difference]: Finished difference. Result has 103 places, 95 transitions, 539 flow [2021-03-11 18:50:46,476 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=539, PETRI_PLACES=103, PETRI_TRANSITIONS=95} [2021-03-11 18:50:46,476 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 43 predicate places. [2021-03-11 18:50:46,476 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 95 transitions, 539 flow [2021-03-11 18:50:46,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 229.4) internal successors, (2294), 10 states have internal predecessors, (2294), 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) [2021-03-11 18:50:46,477 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:50:46,477 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:50:46,477 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 18:50:46,477 INFO L428 AbstractCegarLoop]: === Iteration 10 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:50:46,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:50:46,478 INFO L82 PathProgramCache]: Analyzing trace with hash -827420526, now seen corresponding path program 3 times [2021-03-11 18:50:46,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:50:46,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560601056] [2021-03-11 18:50:46,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:50:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:50:46,603 INFO L142 QuantifierPusher]: treesize reduction 54, result has 85.8 percent of original size [2021-03-11 18:50:46,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-03-11 18:50:46,725 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2021-03-11 18:50:46,730 INFO L142 QuantifierPusher]: treesize reduction 54, result has 85.8 percent of original size [2021-03-11 18:50:46,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-03-11 18:50:46,735 INFO L142 QuantifierPusher]: treesize reduction 39, result has 55.7 percent of original size [2021-03-11 18:50:46,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-11 18:50:46,772 INFO L142 QuantifierPusher]: treesize reduction 20, result has 62.3 percent of original size [2021-03-11 18:50:46,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:50:46,798 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.3 percent of original size [2021-03-11 18:50:46,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:50:46,800 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.9 percent of original size [2021-03-11 18:50:46,801 INFO L147 QuantifierPusher]: treesize reduction 7, result has 84.1 percent of original size 37 [2021-03-11 18:50:46,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:46,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-11 18:50:46,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:46,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 18:50:46,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:46,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 18:50:46,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:46,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 18:50:46,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:46,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:50:46,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:50:46,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560601056] [2021-03-11 18:50:46,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:50:46,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-11 18:50:46,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67609990] [2021-03-11 18:50:46,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 18:50:46,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:50:46,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 18:50:46,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-11 18:50:46,909 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 463 [2021-03-11 18:50:46,911 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 95 transitions, 539 flow. Second operand has 10 states, 10 states have (on average 229.4) internal successors, (2294), 10 states have internal predecessors, (2294), 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) [2021-03-11 18:50:46,911 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:50:46,911 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 463 [2021-03-11 18:50:46,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:50:47,132 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2021-03-11 18:50:47,844 INFO L129 PetriNetUnfolder]: 722/1567 cut-off events. [2021-03-11 18:50:47,844 INFO L130 PetriNetUnfolder]: For 836/840 co-relation queries the response was YES. [2021-03-11 18:50:47,850 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3804 conditions, 1567 events. 722/1567 cut-off events. For 836/840 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 7969 event pairs, 218 based on Foata normal form. 5/1405 useless extension candidates. Maximal degree in co-relation 3779. Up to 937 conditions per place. [2021-03-11 18:50:47,857 INFO L132 encePairwiseOnDemand]: 451/463 looper letters, 64 selfloop transitions, 32 changer transitions 7/121 dead transitions. [2021-03-11 18:50:47,857 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 121 transitions, 804 flow [2021-03-11 18:50:47,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 18:50:47,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-11 18:50:47,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2586 transitions. [2021-03-11 18:50:47,864 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5077557431769095 [2021-03-11 18:50:47,864 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2586 transitions. [2021-03-11 18:50:47,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2586 transitions. [2021-03-11 18:50:47,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:50:47,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2586 transitions. [2021-03-11 18:50:47,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 235.0909090909091) internal successors, (2586), 11 states have internal predecessors, (2586), 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) [2021-03-11 18:50:47,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 463.0) internal successors, (5556), 12 states have internal predecessors, (5556), 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) [2021-03-11 18:50:47,876 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 463.0) internal successors, (5556), 12 states have internal predecessors, (5556), 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) [2021-03-11 18:50:47,876 INFO L185 Difference]: Start difference. First operand has 103 places, 95 transitions, 539 flow. Second operand 11 states and 2586 transitions. [2021-03-11 18:50:47,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 121 transitions, 804 flow [2021-03-11 18:50:47,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 121 transitions, 780 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-11 18:50:47,882 INFO L241 Difference]: Finished difference. Result has 108 places, 94 transitions, 591 flow [2021-03-11 18:50:47,882 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=507, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=591, PETRI_PLACES=108, PETRI_TRANSITIONS=94} [2021-03-11 18:50:47,883 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 48 predicate places. [2021-03-11 18:50:47,883 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 94 transitions, 591 flow [2021-03-11 18:50:47,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 229.4) internal successors, (2294), 10 states have internal predecessors, (2294), 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) [2021-03-11 18:50:47,883 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:50:47,884 INFO L255 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] [2021-03-11 18:50:47,884 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 18:50:47,884 INFO L428 AbstractCegarLoop]: === Iteration 11 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:50:47,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:50:47,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1944843476, now seen corresponding path program 1 times [2021-03-11 18:50:47,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:50:47,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968450119] [2021-03-11 18:50:47,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:50:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:50:47,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:47,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:50:47,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:47,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 18:50:47,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:47,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:50:47,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:50:47,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968450119] [2021-03-11 18:50:47,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:50:47,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 18:50:47,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697875799] [2021-03-11 18:50:47,927 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 18:50:47,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:50:47,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 18:50:47,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 18:50:47,929 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 392 out of 463 [2021-03-11 18:50:47,930 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 94 transitions, 591 flow. Second operand has 3 states, 3 states have (on average 393.6666666666667) internal successors, (1181), 3 states have internal predecessors, (1181), 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) [2021-03-11 18:50:47,930 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:50:47,930 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 392 of 463 [2021-03-11 18:50:47,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:50:47,981 INFO L129 PetriNetUnfolder]: 49/315 cut-off events. [2021-03-11 18:50:47,981 INFO L130 PetriNetUnfolder]: For 219/220 co-relation queries the response was YES. [2021-03-11 18:50:47,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 714 conditions, 315 events. 49/315 cut-off events. For 219/220 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1435 event pairs, 3 based on Foata normal form. 32/320 useless extension candidates. Maximal degree in co-relation 687. Up to 49 conditions per place. [2021-03-11 18:50:47,984 INFO L132 encePairwiseOnDemand]: 455/463 looper letters, 1 selfloop transitions, 11 changer transitions 0/91 dead transitions. [2021-03-11 18:50:47,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 91 transitions, 599 flow [2021-03-11 18:50:47,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 18:50:47,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 18:50:47,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1190 transitions. [2021-03-11 18:50:47,987 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8567314614830813 [2021-03-11 18:50:47,987 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1190 transitions. [2021-03-11 18:50:47,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1190 transitions. [2021-03-11 18:50:47,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:50:47,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1190 transitions. [2021-03-11 18:50:47,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 396.6666666666667) internal successors, (1190), 3 states have internal predecessors, (1190), 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) [2021-03-11 18:50:47,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 463.0) internal successors, (1852), 4 states have internal predecessors, (1852), 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) [2021-03-11 18:50:47,992 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 463.0) internal successors, (1852), 4 states have internal predecessors, (1852), 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) [2021-03-11 18:50:47,992 INFO L185 Difference]: Start difference. First operand has 108 places, 94 transitions, 591 flow. Second operand 3 states and 1190 transitions. [2021-03-11 18:50:47,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 91 transitions, 599 flow [2021-03-11 18:50:47,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 91 transitions, 550 flow, removed 3 selfloop flow, removed 8 redundant places. [2021-03-11 18:50:47,996 INFO L241 Difference]: Finished difference. Result has 102 places, 91 transitions, 548 flow [2021-03-11 18:50:47,997 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=548, PETRI_PLACES=102, PETRI_TRANSITIONS=91} [2021-03-11 18:50:47,997 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 42 predicate places. [2021-03-11 18:50:47,997 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 91 transitions, 548 flow [2021-03-11 18:50:47,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 393.6666666666667) internal successors, (1181), 3 states have internal predecessors, (1181), 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) [2021-03-11 18:50:47,997 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:50:47,997 INFO L255 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] [2021-03-11 18:50:47,998 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-11 18:50:47,998 INFO L428 AbstractCegarLoop]: === Iteration 12 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:50:47,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:50:47,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1007026680, now seen corresponding path program 1 times [2021-03-11 18:50:47,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:50:47,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906571282] [2021-03-11 18:50:47,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:50:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:50:48,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:48,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 18:50:48,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:48,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 18:50:48,124 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-03-11 18:50:48,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:50:48,145 INFO L142 QuantifierPusher]: treesize reduction 10, result has 66.7 percent of original size [2021-03-11 18:50:48,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:50:48,157 INFO L142 QuantifierPusher]: treesize reduction 10, result has 66.7 percent of original size [2021-03-11 18:50:48,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:50:48,159 INFO L142 QuantifierPusher]: treesize reduction 22, result has 38.9 percent of original size [2021-03-11 18:50:48,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 18:50:48,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:48,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 18:50:48,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:48,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 18:50:48,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:48,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 18:50:48,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:48,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 18:50:48,238 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 18:50:48,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 18:50:48,253 INFO L142 QuantifierPusher]: treesize reduction 9, result has 52.6 percent of original size [2021-03-11 18:50:48,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 18:50:48,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:48,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 18:50:48,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:48,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 18:50:48,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:48,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 18:50:48,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:48,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:50:48,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:50:48,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906571282] [2021-03-11 18:50:48,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:50:48,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 18:50:48,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983956548] [2021-03-11 18:50:48,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 18:50:48,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:50:48,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 18:50:48,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-03-11 18:50:48,324 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 463 [2021-03-11 18:50:48,327 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 91 transitions, 548 flow. Second operand has 14 states, 14 states have (on average 231.07142857142858) internal successors, (3235), 14 states have internal predecessors, (3235), 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) [2021-03-11 18:50:48,327 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:50:48,327 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 463 [2021-03-11 18:50:48,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:50:49,014 INFO L129 PetriNetUnfolder]: 338/894 cut-off events. [2021-03-11 18:50:49,014 INFO L130 PetriNetUnfolder]: For 618/619 co-relation queries the response was YES. [2021-03-11 18:50:49,017 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2368 conditions, 894 events. 338/894 cut-off events. For 618/619 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 4660 event pairs, 42 based on Foata normal form. 8/835 useless extension candidates. Maximal degree in co-relation 2341. Up to 209 conditions per place. [2021-03-11 18:50:49,020 INFO L132 encePairwiseOnDemand]: 448/463 looper letters, 67 selfloop transitions, 30 changer transitions 13/132 dead transitions. [2021-03-11 18:50:49,021 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 132 transitions, 879 flow [2021-03-11 18:50:49,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 18:50:49,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-11 18:50:49,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3067 transitions. [2021-03-11 18:50:49,028 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5095530819072935 [2021-03-11 18:50:49,028 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3067 transitions. [2021-03-11 18:50:49,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3067 transitions. [2021-03-11 18:50:49,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:50:49,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3067 transitions. [2021-03-11 18:50:49,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 235.92307692307693) internal successors, (3067), 13 states have internal predecessors, (3067), 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) [2021-03-11 18:50:49,041 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 463.0) internal successors, (6482), 14 states have internal predecessors, (6482), 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) [2021-03-11 18:50:49,042 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 463.0) internal successors, (6482), 14 states have internal predecessors, (6482), 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) [2021-03-11 18:50:49,043 INFO L185 Difference]: Start difference. First operand has 102 places, 91 transitions, 548 flow. Second operand 13 states and 3067 transitions. [2021-03-11 18:50:49,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 132 transitions, 879 flow [2021-03-11 18:50:49,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 132 transitions, 868 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 18:50:49,049 INFO L241 Difference]: Finished difference. Result has 116 places, 93 transitions, 626 flow [2021-03-11 18:50:49,049 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=537, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=626, PETRI_PLACES=116, PETRI_TRANSITIONS=93} [2021-03-11 18:50:49,049 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 56 predicate places. [2021-03-11 18:50:49,049 INFO L480 AbstractCegarLoop]: Abstraction has has 116 places, 93 transitions, 626 flow [2021-03-11 18:50:49,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 231.07142857142858) internal successors, (3235), 14 states have internal predecessors, (3235), 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) [2021-03-11 18:50:49,050 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:50:49,050 INFO L255 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] [2021-03-11 18:50:49,050 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-11 18:50:49,050 INFO L428 AbstractCegarLoop]: === Iteration 13 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:50:49,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:50:49,051 INFO L82 PathProgramCache]: Analyzing trace with hash -186189381, now seen corresponding path program 1 times [2021-03-11 18:50:49,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:50:49,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674726238] [2021-03-11 18:50:49,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:50:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:50:49,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:49,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-11 18:50:49,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:49,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:50:49,185 INFO L142 QuantifierPusher]: treesize reduction 34, result has 61.4 percent of original size [2021-03-11 18:50:49,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-11 18:50:49,218 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.4 percent of original size [2021-03-11 18:50:49,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 18:50:49,236 INFO L142 QuantifierPusher]: treesize reduction 8, result has 82.6 percent of original size [2021-03-11 18:50:49,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 18:50:49,239 INFO L142 QuantifierPusher]: treesize reduction 8, result has 80.5 percent of original size [2021-03-11 18:50:49,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:50:49,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:49,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 18:50:49,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:49,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 18:50:49,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:49,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:50:49,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:49,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:50:49,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:49,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 18:50:49,343 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.2 percent of original size [2021-03-11 18:50:49,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-11 18:50:49,366 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-11 18:50:49,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 18:50:49,392 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-11 18:50:49,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 18:50:49,419 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-03-11 18:50:49,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 18:50:49,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:49,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 18:50:49,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:49,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 18:50:49,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:49,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 18:50:49,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:49,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 18:50:49,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:49,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 18:50:49,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:49,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 18:50:49,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:49,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:50:49,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:50:49,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674726238] [2021-03-11 18:50:49,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:50:49,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-03-11 18:50:49,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714819563] [2021-03-11 18:50:49,542 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-11 18:50:49,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:50:49,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-11 18:50:49,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2021-03-11 18:50:49,547 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 463 [2021-03-11 18:50:49,550 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 93 transitions, 626 flow. Second operand has 20 states, 20 states have (on average 212.6) internal successors, (4252), 20 states have internal predecessors, (4252), 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) [2021-03-11 18:50:49,550 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:50:49,551 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 463 [2021-03-11 18:50:49,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:50:50,779 INFO L129 PetriNetUnfolder]: 618/1430 cut-off events. [2021-03-11 18:50:50,780 INFO L130 PetriNetUnfolder]: For 888/894 co-relation queries the response was YES. [2021-03-11 18:50:50,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3675 conditions, 1430 events. 618/1430 cut-off events. For 888/894 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 7301 event pairs, 75 based on Foata normal form. 7/1295 useless extension candidates. Maximal degree in co-relation 3645. Up to 384 conditions per place. [2021-03-11 18:50:50,791 INFO L132 encePairwiseOnDemand]: 446/463 looper letters, 106 selfloop transitions, 35 changer transitions 9/164 dead transitions. [2021-03-11 18:50:50,791 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 164 transitions, 1116 flow [2021-03-11 18:50:50,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 18:50:50,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-11 18:50:50,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 3291 transitions. [2021-03-11 18:50:50,799 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.473866090712743 [2021-03-11 18:50:50,799 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 3291 transitions. [2021-03-11 18:50:50,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 3291 transitions. [2021-03-11 18:50:50,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:50:50,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 3291 transitions. [2021-03-11 18:50:50,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 219.4) internal successors, (3291), 15 states have internal predecessors, (3291), 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) [2021-03-11 18:50:50,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 463.0) internal successors, (7408), 16 states have internal predecessors, (7408), 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) [2021-03-11 18:50:50,814 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 463.0) internal successors, (7408), 16 states have internal predecessors, (7408), 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) [2021-03-11 18:50:50,814 INFO L185 Difference]: Start difference. First operand has 116 places, 93 transitions, 626 flow. Second operand 15 states and 3291 transitions. [2021-03-11 18:50:50,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 164 transitions, 1116 flow [2021-03-11 18:50:50,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 164 transitions, 1078 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-03-11 18:50:50,823 INFO L241 Difference]: Finished difference. Result has 125 places, 98 transitions, 693 flow [2021-03-11 18:50:50,823 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=693, PETRI_PLACES=125, PETRI_TRANSITIONS=98} [2021-03-11 18:50:50,823 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 65 predicate places. [2021-03-11 18:50:50,823 INFO L480 AbstractCegarLoop]: Abstraction has has 125 places, 98 transitions, 693 flow [2021-03-11 18:50:50,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 212.6) internal successors, (4252), 20 states have internal predecessors, (4252), 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) [2021-03-11 18:50:50,824 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:50:50,825 INFO L255 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] [2021-03-11 18:50:50,825 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-11 18:50:50,825 INFO L428 AbstractCegarLoop]: === Iteration 14 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:50:50,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:50:50,825 INFO L82 PathProgramCache]: Analyzing trace with hash 815872684, now seen corresponding path program 1 times [2021-03-11 18:50:50,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:50:50,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024823220] [2021-03-11 18:50:50,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:50:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:50:50,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:50,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:50:50,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:50,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 18:50:50,992 INFO L142 QuantifierPusher]: treesize reduction 65, result has 53.2 percent of original size [2021-03-11 18:50:50,993 INFO L147 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size 67 [2021-03-11 18:50:51,046 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.2 percent of original size [2021-03-11 18:50:51,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:50:51,069 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.6 percent of original size [2021-03-11 18:50:51,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:50:51,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:51,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:50:51,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:51,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-11 18:50:51,116 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.1 percent of original size [2021-03-11 18:50:51,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:50:51,143 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.1 percent of original size [2021-03-11 18:50:51,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:50:51,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:51,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:50:51,200 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-03-11 18:50:51,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-11 18:50:51,246 INFO L142 QuantifierPusher]: treesize reduction 6, result has 94.5 percent of original size [2021-03-11 18:50:51,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-11 18:50:51,320 INFO L142 QuantifierPusher]: treesize reduction 6, result has 92.8 percent of original size [2021-03-11 18:50:51,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-11 18:50:51,385 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.8 percent of original size [2021-03-11 18:50:51,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-11 18:50:51,454 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.2 percent of original size [2021-03-11 18:50:51,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:50:51,514 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.5 percent of original size [2021-03-11 18:50:51,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-11 18:50:51,580 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.6 percent of original size [2021-03-11 18:50:51,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-11 18:50:51,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:51,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 18:50:51,670 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-11 18:50:51,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:50:51,710 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.1 percent of original size [2021-03-11 18:50:51,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:50:51,754 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:50:51,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:50:51,785 INFO L142 QuantifierPusher]: treesize reduction 39, result has 45.1 percent of original size [2021-03-11 18:50:51,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:50:51,808 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:50:51,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:50:51,811 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-03-11 18:50:51,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:50:51,834 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.1 percent of original size [2021-03-11 18:50:51,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 18:50:51,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:50:51,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024823220] [2021-03-11 18:50:51,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:50:51,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-03-11 18:50:51,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282822653] [2021-03-11 18:50:51,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-11 18:50:51,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:50:51,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-11 18:50:51,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2021-03-11 18:50:51,872 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 463 [2021-03-11 18:50:51,875 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 98 transitions, 693 flow. Second operand has 23 states, 23 states have (on average 183.52173913043478) internal successors, (4221), 23 states have internal predecessors, (4221), 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) [2021-03-11 18:50:51,875 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:50:51,875 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 463 [2021-03-11 18:50:51,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:50:55,171 INFO L129 PetriNetUnfolder]: 1774/3479 cut-off events. [2021-03-11 18:50:55,171 INFO L130 PetriNetUnfolder]: For 2755/2757 co-relation queries the response was YES. [2021-03-11 18:50:55,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9558 conditions, 3479 events. 1774/3479 cut-off events. For 2755/2757 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 19132 event pairs, 377 based on Foata normal form. 52/3323 useless extension candidates. Maximal degree in co-relation 9524. Up to 1885 conditions per place. [2021-03-11 18:50:55,192 INFO L132 encePairwiseOnDemand]: 438/463 looper letters, 190 selfloop transitions, 90 changer transitions 55/343 dead transitions. [2021-03-11 18:50:55,192 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 343 transitions, 2308 flow [2021-03-11 18:50:55,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-11 18:50:55,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-03-11 18:50:55,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 6863 transitions. [2021-03-11 18:50:55,204 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4117470602351812 [2021-03-11 18:50:55,204 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 6863 transitions. [2021-03-11 18:50:55,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 6863 transitions. [2021-03-11 18:50:55,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:50:55,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 6863 transitions. [2021-03-11 18:50:55,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 190.63888888888889) internal successors, (6863), 36 states have internal predecessors, (6863), 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) [2021-03-11 18:50:55,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 463.0) internal successors, (17131), 37 states have internal predecessors, (17131), 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) [2021-03-11 18:50:55,230 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 463.0) internal successors, (17131), 37 states have internal predecessors, (17131), 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) [2021-03-11 18:50:55,230 INFO L185 Difference]: Start difference. First operand has 125 places, 98 transitions, 693 flow. Second operand 36 states and 6863 transitions. [2021-03-11 18:50:55,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 343 transitions, 2308 flow [2021-03-11 18:50:55,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 343 transitions, 2195 flow, removed 5 selfloop flow, removed 11 redundant places. [2021-03-11 18:50:55,247 INFO L241 Difference]: Finished difference. Result has 170 places, 168 transitions, 1417 flow [2021-03-11 18:50:55,247 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=629, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=1417, PETRI_PLACES=170, PETRI_TRANSITIONS=168} [2021-03-11 18:50:55,247 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 110 predicate places. [2021-03-11 18:50:55,247 INFO L480 AbstractCegarLoop]: Abstraction has has 170 places, 168 transitions, 1417 flow [2021-03-11 18:50:55,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 183.52173913043478) internal successors, (4221), 23 states have internal predecessors, (4221), 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) [2021-03-11 18:50:55,248 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:50:55,248 INFO L255 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] [2021-03-11 18:50:55,249 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-11 18:50:55,249 INFO L428 AbstractCegarLoop]: === Iteration 15 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:50:55,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:50:55,249 INFO L82 PathProgramCache]: Analyzing trace with hash -724106502, now seen corresponding path program 2 times [2021-03-11 18:50:55,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:50:55,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103597928] [2021-03-11 18:50:55,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:50:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:50:55,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:55,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:50:55,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:55,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 18:50:55,363 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-11 18:50:55,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 18:50:55,383 INFO L142 QuantifierPusher]: treesize reduction 71, result has 51.4 percent of original size [2021-03-11 18:50:55,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-11 18:50:55,437 INFO L142 QuantifierPusher]: treesize reduction 30, result has 61.0 percent of original size [2021-03-11 18:50:55,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:50:55,478 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.6 percent of original size [2021-03-11 18:50:55,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:50:55,480 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-11 18:50:55,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:50:55,521 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.6 percent of original size [2021-03-11 18:50:55,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-11 18:50:55,555 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-11 18:50:55,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:50:55,598 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-11 18:50:55,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:50:55,661 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-11 18:50:55,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:50:55,694 INFO L142 QuantifierPusher]: treesize reduction 14, result has 86.8 percent of original size [2021-03-11 18:50:55,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-11 18:50:55,745 INFO L142 QuantifierPusher]: treesize reduction 14, result has 90.1 percent of original size [2021-03-11 18:50:55,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-03-11 18:50:55,820 INFO L142 QuantifierPusher]: treesize reduction 14, result has 87.8 percent of original size [2021-03-11 18:50:55,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-11 18:50:55,895 INFO L142 QuantifierPusher]: treesize reduction 12, result has 90.6 percent of original size [2021-03-11 18:50:55,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-03-11 18:50:55,976 INFO L142 QuantifierPusher]: treesize reduction 12, result has 88.1 percent of original size [2021-03-11 18:50:55,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-11 18:50:56,051 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:50:56,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-11 18:50:56,124 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:50:56,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-11 18:50:56,179 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-11 18:50:56,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:50:56,213 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.1 percent of original size [2021-03-11 18:50:56,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:50:56,260 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:50:56,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:50:56,298 INFO L142 QuantifierPusher]: treesize reduction 39, result has 45.1 percent of original size [2021-03-11 18:50:56,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:50:56,330 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:50:56,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:50:56,332 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-03-11 18:50:56,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:50:56,363 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.1 percent of original size [2021-03-11 18:50:56,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 18:50:56,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:50:56,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103597928] [2021-03-11 18:50:56,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:50:56,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-03-11 18:50:56,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59952366] [2021-03-11 18:50:56,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-11 18:50:56,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:50:56,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-11 18:50:56,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2021-03-11 18:50:56,414 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 463 [2021-03-11 18:50:56,416 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 168 transitions, 1417 flow. Second operand has 23 states, 23 states have (on average 183.52173913043478) internal successors, (4221), 23 states have internal predecessors, (4221), 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) [2021-03-11 18:50:56,416 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:50:56,416 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 463 [2021-03-11 18:50:56,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:50:58,750 INFO L129 PetriNetUnfolder]: 1731/3389 cut-off events. [2021-03-11 18:50:58,750 INFO L130 PetriNetUnfolder]: For 22701/22701 co-relation queries the response was YES. [2021-03-11 18:50:58,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14263 conditions, 3389 events. 1731/3389 cut-off events. For 22701/22701 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 17820 event pairs, 679 based on Foata normal form. 69/3249 useless extension candidates. Maximal degree in co-relation 14208. Up to 2746 conditions per place. [2021-03-11 18:50:58,773 INFO L132 encePairwiseOnDemand]: 440/463 looper letters, 216 selfloop transitions, 42 changer transitions 20/286 dead transitions. [2021-03-11 18:50:58,774 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 286 transitions, 2716 flow [2021-03-11 18:50:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-11 18:50:58,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-11 18:50:58,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4913 transitions. [2021-03-11 18:50:58,783 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.40812427313507227 [2021-03-11 18:50:58,784 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 4913 transitions. [2021-03-11 18:50:58,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 4913 transitions. [2021-03-11 18:50:58,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:50:58,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 4913 transitions. [2021-03-11 18:50:58,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 188.96153846153845) internal successors, (4913), 26 states have internal predecessors, (4913), 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) [2021-03-11 18:50:58,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 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) [2021-03-11 18:50:58,799 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 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) [2021-03-11 18:50:58,799 INFO L185 Difference]: Start difference. First operand has 170 places, 168 transitions, 1417 flow. Second operand 26 states and 4913 transitions. [2021-03-11 18:50:58,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 286 transitions, 2716 flow [2021-03-11 18:50:58,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 286 transitions, 2633 flow, removed 28 selfloop flow, removed 6 redundant places. [2021-03-11 18:50:58,874 INFO L241 Difference]: Finished difference. Result has 209 places, 207 transitions, 1992 flow [2021-03-11 18:50:58,874 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=1346, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=1992, PETRI_PLACES=209, PETRI_TRANSITIONS=207} [2021-03-11 18:50:58,875 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 149 predicate places. [2021-03-11 18:50:58,875 INFO L480 AbstractCegarLoop]: Abstraction has has 209 places, 207 transitions, 1992 flow [2021-03-11 18:50:58,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 183.52173913043478) internal successors, (4221), 23 states have internal predecessors, (4221), 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) [2021-03-11 18:50:58,875 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:50:58,876 INFO L255 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] [2021-03-11 18:50:58,876 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-11 18:50:58,876 INFO L428 AbstractCegarLoop]: === Iteration 16 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:50:58,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:50:58,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1385688214, now seen corresponding path program 3 times [2021-03-11 18:50:58,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:50:58,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626115560] [2021-03-11 18:50:58,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:50:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:50:58,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:58,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:50:58,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:50:58,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 18:50:59,006 INFO L142 QuantifierPusher]: treesize reduction 67, result has 51.8 percent of original size [2021-03-11 18:50:59,006 INFO L147 QuantifierPusher]: treesize reduction 5, result has 93.1 percent of original size 67 [2021-03-11 18:50:59,054 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.2 percent of original size [2021-03-11 18:50:59,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:50:59,077 INFO L142 QuantifierPusher]: treesize reduction 30, result has 61.0 percent of original size [2021-03-11 18:50:59,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:50:59,110 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.6 percent of original size [2021-03-11 18:50:59,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:50:59,112 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-11 18:50:59,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:50:59,144 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.6 percent of original size [2021-03-11 18:50:59,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-11 18:50:59,173 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-11 18:50:59,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:50:59,208 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-11 18:50:59,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:50:59,242 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-11 18:50:59,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:50:59,270 INFO L142 QuantifierPusher]: treesize reduction 15, result has 85.8 percent of original size [2021-03-11 18:50:59,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-11 18:50:59,310 INFO L142 QuantifierPusher]: treesize reduction 14, result has 90.1 percent of original size [2021-03-11 18:50:59,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-03-11 18:50:59,384 INFO L142 QuantifierPusher]: treesize reduction 14, result has 87.8 percent of original size [2021-03-11 18:50:59,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-11 18:50:59,447 INFO L142 QuantifierPusher]: treesize reduction 12, result has 90.6 percent of original size [2021-03-11 18:50:59,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-03-11 18:50:59,508 INFO L142 QuantifierPusher]: treesize reduction 12, result has 88.1 percent of original size [2021-03-11 18:50:59,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-11 18:50:59,595 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:50:59,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-11 18:50:59,666 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:50:59,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-11 18:50:59,723 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-11 18:50:59,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:50:59,763 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.1 percent of original size [2021-03-11 18:50:59,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:50:59,806 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:50:59,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:50:59,842 INFO L142 QuantifierPusher]: treesize reduction 39, result has 45.1 percent of original size [2021-03-11 18:50:59,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:50:59,871 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:50:59,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:50:59,873 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-03-11 18:50:59,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:50:59,904 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.1 percent of original size [2021-03-11 18:50:59,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 18:50:59,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:50:59,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626115560] [2021-03-11 18:50:59,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:50:59,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-03-11 18:50:59,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781871540] [2021-03-11 18:50:59,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-11 18:50:59,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:50:59,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-11 18:50:59,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2021-03-11 18:50:59,950 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 463 [2021-03-11 18:50:59,953 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 207 transitions, 1992 flow. Second operand has 23 states, 23 states have (on average 183.52173913043478) internal successors, (4221), 23 states have internal predecessors, (4221), 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) [2021-03-11 18:50:59,953 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:50:59,953 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 463 [2021-03-11 18:50:59,953 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:51:02,623 INFO L129 PetriNetUnfolder]: 1892/3744 cut-off events. [2021-03-11 18:51:02,623 INFO L130 PetriNetUnfolder]: For 102182/102182 co-relation queries the response was YES. [2021-03-11 18:51:02,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19867 conditions, 3744 events. 1892/3744 cut-off events. For 102182/102182 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 20509 event pairs, 503 based on Foata normal form. 67/3578 useless extension candidates. Maximal degree in co-relation 19793. Up to 2832 conditions per place. [2021-03-11 18:51:02,654 INFO L132 encePairwiseOnDemand]: 438/463 looper letters, 238 selfloop transitions, 59 changer transitions 22/327 dead transitions. [2021-03-11 18:51:02,654 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 327 transitions, 3612 flow [2021-03-11 18:51:02,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-11 18:51:02,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-11 18:51:02,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 5108 transitions. [2021-03-11 18:51:02,663 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.40860731141508677 [2021-03-11 18:51:02,663 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 5108 transitions. [2021-03-11 18:51:02,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 5108 transitions. [2021-03-11 18:51:02,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:51:02,664 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 5108 transitions. [2021-03-11 18:51:02,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 189.1851851851852) internal successors, (5108), 27 states have internal predecessors, (5108), 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) [2021-03-11 18:51:02,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 463.0) internal successors, (12964), 28 states have internal predecessors, (12964), 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) [2021-03-11 18:51:02,681 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 463.0) internal successors, (12964), 28 states have internal predecessors, (12964), 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) [2021-03-11 18:51:02,681 INFO L185 Difference]: Start difference. First operand has 209 places, 207 transitions, 1992 flow. Second operand 27 states and 5108 transitions. [2021-03-11 18:51:02,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 327 transitions, 3612 flow [2021-03-11 18:51:02,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 327 transitions, 3492 flow, removed 60 selfloop flow, removed 1 redundant places. [2021-03-11 18:51:02,887 INFO L241 Difference]: Finished difference. Result has 251 places, 240 transitions, 2561 flow [2021-03-11 18:51:02,887 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=1874, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=2561, PETRI_PLACES=251, PETRI_TRANSITIONS=240} [2021-03-11 18:51:02,887 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 191 predicate places. [2021-03-11 18:51:02,887 INFO L480 AbstractCegarLoop]: Abstraction has has 251 places, 240 transitions, 2561 flow [2021-03-11 18:51:02,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 183.52173913043478) internal successors, (4221), 23 states have internal predecessors, (4221), 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) [2021-03-11 18:51:02,888 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:51:02,889 INFO L255 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] [2021-03-11 18:51:02,889 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-11 18:51:02,889 INFO L428 AbstractCegarLoop]: === Iteration 17 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:51:02,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:51:02,889 INFO L82 PathProgramCache]: Analyzing trace with hash 775780168, now seen corresponding path program 4 times [2021-03-11 18:51:02,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:51:02,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683549118] [2021-03-11 18:51:02,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:51:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:51:02,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:02,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:51:02,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:02,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 18:51:03,006 INFO L142 QuantifierPusher]: treesize reduction 57, result has 58.1 percent of original size [2021-03-11 18:51:03,007 INFO L147 QuantifierPusher]: treesize reduction 12, result has 84.8 percent of original size 67 [2021-03-11 18:51:03,059 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.2 percent of original size [2021-03-11 18:51:03,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:51:03,081 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.6 percent of original size [2021-03-11 18:51:03,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:51:03,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:03,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:51:03,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:03,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-11 18:51:03,130 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.6 percent of original size [2021-03-11 18:51:03,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-11 18:51:03,158 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-11 18:51:03,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:51:03,193 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-11 18:51:03,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:51:03,228 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-11 18:51:03,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:51:03,257 INFO L142 QuantifierPusher]: treesize reduction 14, result has 86.8 percent of original size [2021-03-11 18:51:03,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-11 18:51:03,300 INFO L142 QuantifierPusher]: treesize reduction 14, result has 90.1 percent of original size [2021-03-11 18:51:03,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-03-11 18:51:03,382 INFO L142 QuantifierPusher]: treesize reduction 14, result has 87.8 percent of original size [2021-03-11 18:51:03,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-11 18:51:03,441 INFO L142 QuantifierPusher]: treesize reduction 12, result has 90.6 percent of original size [2021-03-11 18:51:03,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-03-11 18:51:03,503 INFO L142 QuantifierPusher]: treesize reduction 12, result has 88.1 percent of original size [2021-03-11 18:51:03,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-11 18:51:03,558 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:51:03,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-11 18:51:03,615 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:51:03,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-11 18:51:03,680 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-11 18:51:03,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:51:03,712 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.1 percent of original size [2021-03-11 18:51:03,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:51:03,760 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:51:03,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:51:03,796 INFO L142 QuantifierPusher]: treesize reduction 39, result has 45.1 percent of original size [2021-03-11 18:51:03,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:51:03,824 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:51:03,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:51:03,826 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-03-11 18:51:03,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:51:03,852 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.1 percent of original size [2021-03-11 18:51:03,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 18:51:03,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:51:03,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683549118] [2021-03-11 18:51:03,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:51:03,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-03-11 18:51:03,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843525486] [2021-03-11 18:51:03,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-11 18:51:03,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:51:03,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-11 18:51:03,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2021-03-11 18:51:03,889 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 463 [2021-03-11 18:51:03,891 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 240 transitions, 2561 flow. Second operand has 23 states, 23 states have (on average 183.52173913043478) internal successors, (4221), 23 states have internal predecessors, (4221), 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) [2021-03-11 18:51:03,891 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:51:03,891 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 463 [2021-03-11 18:51:03,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:51:05,359 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-03-11 18:51:06,723 INFO L129 PetriNetUnfolder]: 2044/4058 cut-off events. [2021-03-11 18:51:06,723 INFO L130 PetriNetUnfolder]: For 214969/214971 co-relation queries the response was YES. [2021-03-11 18:51:06,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24971 conditions, 4058 events. 2044/4058 cut-off events. For 214969/214971 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 22981 event pairs, 531 based on Foata normal form. 51/3852 useless extension candidates. Maximal degree in co-relation 24878. Up to 2693 conditions per place. [2021-03-11 18:51:06,762 INFO L132 encePairwiseOnDemand]: 438/463 looper letters, 254 selfloop transitions, 80 changer transitions 26/368 dead transitions. [2021-03-11 18:51:06,762 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 368 transitions, 4588 flow [2021-03-11 18:51:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-11 18:51:06,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-11 18:51:06,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4945 transitions. [2021-03-11 18:51:06,769 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.41078252201362353 [2021-03-11 18:51:06,769 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 4945 transitions. [2021-03-11 18:51:06,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 4945 transitions. [2021-03-11 18:51:06,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:51:06,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 4945 transitions. [2021-03-11 18:51:06,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 190.19230769230768) internal successors, (4945), 26 states have internal predecessors, (4945), 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) [2021-03-11 18:51:06,784 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 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) [2021-03-11 18:51:06,786 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 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) [2021-03-11 18:51:06,786 INFO L185 Difference]: Start difference. First operand has 251 places, 240 transitions, 2561 flow. Second operand 26 states and 4945 transitions. [2021-03-11 18:51:06,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 368 transitions, 4588 flow [2021-03-11 18:51:07,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 368 transitions, 4377 flow, removed 89 selfloop flow, removed 4 redundant places. [2021-03-11 18:51:07,185 INFO L241 Difference]: Finished difference. Result has 286 places, 269 transitions, 3074 flow [2021-03-11 18:51:07,185 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=2352, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=3074, PETRI_PLACES=286, PETRI_TRANSITIONS=269} [2021-03-11 18:51:07,185 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 226 predicate places. [2021-03-11 18:51:07,185 INFO L480 AbstractCegarLoop]: Abstraction has has 286 places, 269 transitions, 3074 flow [2021-03-11 18:51:07,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 183.52173913043478) internal successors, (4221), 23 states have internal predecessors, (4221), 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) [2021-03-11 18:51:07,186 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:51:07,186 INFO L255 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] [2021-03-11 18:51:07,186 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-11 18:51:07,186 INFO L428 AbstractCegarLoop]: === Iteration 18 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:51:07,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:51:07,187 INFO L82 PathProgramCache]: Analyzing trace with hash -441648146, now seen corresponding path program 5 times [2021-03-11 18:51:07,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:51:07,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455546861] [2021-03-11 18:51:07,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:51:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:51:07,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:07,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:51:07,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:07,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 18:51:07,385 INFO L142 QuantifierPusher]: treesize reduction 67, result has 51.8 percent of original size [2021-03-11 18:51:07,386 INFO L147 QuantifierPusher]: treesize reduction 5, result has 93.1 percent of original size 67 [2021-03-11 18:51:07,437 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.2 percent of original size [2021-03-11 18:51:07,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:51:07,461 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.6 percent of original size [2021-03-11 18:51:07,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:51:07,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:07,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:51:07,489 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-11 18:51:07,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:51:07,532 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.6 percent of original size [2021-03-11 18:51:07,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-11 18:51:07,561 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-11 18:51:07,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:51:07,597 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-11 18:51:07,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:51:07,635 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-11 18:51:07,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:51:07,667 INFO L142 QuantifierPusher]: treesize reduction 15, result has 85.8 percent of original size [2021-03-11 18:51:07,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-11 18:51:07,712 INFO L142 QuantifierPusher]: treesize reduction 14, result has 90.1 percent of original size [2021-03-11 18:51:07,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-03-11 18:51:07,783 INFO L142 QuantifierPusher]: treesize reduction 14, result has 87.8 percent of original size [2021-03-11 18:51:07,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-11 18:51:07,846 INFO L142 QuantifierPusher]: treesize reduction 12, result has 90.6 percent of original size [2021-03-11 18:51:07,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-03-11 18:51:07,920 INFO L142 QuantifierPusher]: treesize reduction 12, result has 88.1 percent of original size [2021-03-11 18:51:07,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-11 18:51:07,978 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:51:07,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-11 18:51:08,035 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:51:08,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-11 18:51:08,088 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-11 18:51:08,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:51:08,122 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.1 percent of original size [2021-03-11 18:51:08,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:51:08,157 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:51:08,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:51:08,186 INFO L142 QuantifierPusher]: treesize reduction 39, result has 45.1 percent of original size [2021-03-11 18:51:08,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:51:08,211 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:51:08,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:51:08,212 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-03-11 18:51:08,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:51:08,234 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.1 percent of original size [2021-03-11 18:51:08,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 18:51:08,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:51:08,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455546861] [2021-03-11 18:51:08,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:51:08,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-03-11 18:51:08,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696423745] [2021-03-11 18:51:08,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-11 18:51:08,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:51:08,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-11 18:51:08,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2021-03-11 18:51:08,270 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 463 [2021-03-11 18:51:08,272 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 269 transitions, 3074 flow. Second operand has 23 states, 23 states have (on average 183.52173913043478) internal successors, (4221), 23 states have internal predecessors, (4221), 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) [2021-03-11 18:51:08,272 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:51:08,272 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 463 [2021-03-11 18:51:08,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:51:11,169 INFO L129 PetriNetUnfolder]: 2196/4382 cut-off events. [2021-03-11 18:51:11,170 INFO L130 PetriNetUnfolder]: For 341613/341613 co-relation queries the response was YES. [2021-03-11 18:51:11,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29355 conditions, 4382 events. 2196/4382 cut-off events. For 341613/341613 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 25470 event pairs, 535 based on Foata normal form. 49/4150 useless extension candidates. Maximal degree in co-relation 29246. Up to 3408 conditions per place. [2021-03-11 18:51:11,210 INFO L132 encePairwiseOnDemand]: 438/463 looper letters, 291 selfloop transitions, 60 changer transitions 23/382 dead transitions. [2021-03-11 18:51:11,210 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 382 transitions, 5151 flow [2021-03-11 18:51:11,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-11 18:51:11,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-11 18:51:11,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4921 transitions. [2021-03-11 18:51:11,217 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4087888353547101 [2021-03-11 18:51:11,217 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 4921 transitions. [2021-03-11 18:51:11,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 4921 transitions. [2021-03-11 18:51:11,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:51:11,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 4921 transitions. [2021-03-11 18:51:11,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 189.26923076923077) internal successors, (4921), 26 states have internal predecessors, (4921), 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) [2021-03-11 18:51:11,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 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) [2021-03-11 18:51:11,233 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 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) [2021-03-11 18:51:11,234 INFO L185 Difference]: Start difference. First operand has 286 places, 269 transitions, 3074 flow. Second operand 26 states and 4921 transitions. [2021-03-11 18:51:11,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 382 transitions, 5151 flow [2021-03-11 18:51:11,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 382 transitions, 4857 flow, removed 119 selfloop flow, removed 7 redundant places. [2021-03-11 18:51:11,712 INFO L241 Difference]: Finished difference. Result has 318 places, 297 transitions, 3512 flow [2021-03-11 18:51:11,712 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=2796, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=3512, PETRI_PLACES=318, PETRI_TRANSITIONS=297} [2021-03-11 18:51:11,713 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 258 predicate places. [2021-03-11 18:51:11,713 INFO L480 AbstractCegarLoop]: Abstraction has has 318 places, 297 transitions, 3512 flow [2021-03-11 18:51:11,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 183.52173913043478) internal successors, (4221), 23 states have internal predecessors, (4221), 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) [2021-03-11 18:51:11,714 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:51:11,714 INFO L255 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] [2021-03-11 18:51:11,714 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-11 18:51:11,714 INFO L428 AbstractCegarLoop]: === Iteration 19 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:51:11,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:51:11,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1584020872, now seen corresponding path program 6 times [2021-03-11 18:51:11,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:51:11,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820410036] [2021-03-11 18:51:11,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:51:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:51:11,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:11,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:51:11,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:11,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 18:51:11,820 INFO L142 QuantifierPusher]: treesize reduction 57, result has 58.1 percent of original size [2021-03-11 18:51:11,820 INFO L147 QuantifierPusher]: treesize reduction 12, result has 84.8 percent of original size 67 [2021-03-11 18:51:11,949 INFO L142 QuantifierPusher]: treesize reduction 59, result has 59.6 percent of original size [2021-03-11 18:51:11,950 INFO L147 QuantifierPusher]: treesize reduction 12, result has 86.2 percent of original size 75 [2021-03-11 18:51:12,016 INFO L142 QuantifierPusher]: treesize reduction 30, result has 61.0 percent of original size [2021-03-11 18:51:12,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:51:12,061 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.6 percent of original size [2021-03-11 18:51:12,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:51:12,062 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-11 18:51:12,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:51:12,100 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.6 percent of original size [2021-03-11 18:51:12,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-11 18:51:12,135 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-11 18:51:12,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:51:12,177 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-11 18:51:12,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:51:12,217 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-11 18:51:12,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:51:12,254 INFO L142 QuantifierPusher]: treesize reduction 14, result has 86.8 percent of original size [2021-03-11 18:51:12,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-11 18:51:12,306 INFO L142 QuantifierPusher]: treesize reduction 14, result has 90.1 percent of original size [2021-03-11 18:51:12,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-03-11 18:51:12,378 INFO L142 QuantifierPusher]: treesize reduction 14, result has 87.8 percent of original size [2021-03-11 18:51:12,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-11 18:51:12,442 INFO L142 QuantifierPusher]: treesize reduction 12, result has 90.6 percent of original size [2021-03-11 18:51:12,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-03-11 18:51:12,510 INFO L142 QuantifierPusher]: treesize reduction 12, result has 88.1 percent of original size [2021-03-11 18:51:12,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-11 18:51:12,568 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:51:12,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-11 18:51:12,629 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:51:12,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-11 18:51:12,688 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-11 18:51:12,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:51:12,726 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.1 percent of original size [2021-03-11 18:51:12,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:51:12,769 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:51:12,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:51:12,800 INFO L142 QuantifierPusher]: treesize reduction 39, result has 45.1 percent of original size [2021-03-11 18:51:12,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:51:12,827 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:51:12,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:51:12,829 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-03-11 18:51:12,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:51:12,854 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.1 percent of original size [2021-03-11 18:51:12,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 18:51:12,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:51:12,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820410036] [2021-03-11 18:51:12,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:51:12,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-03-11 18:51:12,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52734569] [2021-03-11 18:51:12,891 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-11 18:51:12,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:51:12,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-11 18:51:12,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2021-03-11 18:51:12,896 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 463 [2021-03-11 18:51:12,898 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 297 transitions, 3512 flow. Second operand has 23 states, 23 states have (on average 183.52173913043478) internal successors, (4221), 23 states have internal predecessors, (4221), 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) [2021-03-11 18:51:12,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:51:12,898 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 463 [2021-03-11 18:51:12,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:51:16,006 INFO L129 PetriNetUnfolder]: 2341/4697 cut-off events. [2021-03-11 18:51:16,006 INFO L130 PetriNetUnfolder]: For 495090/495090 co-relation queries the response was YES. [2021-03-11 18:51:16,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32963 conditions, 4697 events. 2341/4697 cut-off events. For 495090/495090 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 28000 event pairs, 583 based on Foata normal form. 67/4460 useless extension candidates. Maximal degree in co-relation 32839. Up to 3821 conditions per place. [2021-03-11 18:51:16,051 INFO L132 encePairwiseOnDemand]: 439/463 looper letters, 333 selfloop transitions, 51 changer transitions 20/412 dead transitions. [2021-03-11 18:51:16,052 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 412 transitions, 5566 flow [2021-03-11 18:51:16,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-11 18:51:16,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-11 18:51:16,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4911 transitions. [2021-03-11 18:51:16,058 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.40795813258016284 [2021-03-11 18:51:16,058 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 4911 transitions. [2021-03-11 18:51:16,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 4911 transitions. [2021-03-11 18:51:16,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:51:16,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 4911 transitions. [2021-03-11 18:51:16,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 188.8846153846154) internal successors, (4911), 26 states have internal predecessors, (4911), 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) [2021-03-11 18:51:16,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 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) [2021-03-11 18:51:16,075 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 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) [2021-03-11 18:51:16,075 INFO L185 Difference]: Start difference. First operand has 318 places, 297 transitions, 3512 flow. Second operand 26 states and 4911 transitions. [2021-03-11 18:51:16,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 412 transitions, 5566 flow [2021-03-11 18:51:16,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 412 transitions, 5227 flow, removed 137 selfloop flow, removed 6 redundant places. [2021-03-11 18:51:16,671 INFO L241 Difference]: Finished difference. Result has 356 places, 331 transitions, 4061 flow [2021-03-11 18:51:16,671 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=3186, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=4061, PETRI_PLACES=356, PETRI_TRANSITIONS=331} [2021-03-11 18:51:16,671 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 296 predicate places. [2021-03-11 18:51:16,671 INFO L480 AbstractCegarLoop]: Abstraction has has 356 places, 331 transitions, 4061 flow [2021-03-11 18:51:16,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 183.52173913043478) internal successors, (4221), 23 states have internal predecessors, (4221), 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) [2021-03-11 18:51:16,672 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:51:16,672 INFO L255 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] [2021-03-11 18:51:16,672 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-11 18:51:16,672 INFO L428 AbstractCegarLoop]: === Iteration 20 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:51:16,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:51:16,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1143031234, now seen corresponding path program 7 times [2021-03-11 18:51:16,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:51:16,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493136826] [2021-03-11 18:51:16,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:51:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:51:16,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:16,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 18:51:16,776 INFO L142 QuantifierPusher]: treesize reduction 115, result has 33.5 percent of original size [2021-03-11 18:51:16,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-11 18:51:16,812 INFO L142 QuantifierPusher]: treesize reduction 35, result has 64.6 percent of original size [2021-03-11 18:51:16,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-11 18:51:16,833 INFO L142 QuantifierPusher]: treesize reduction 35, result has 50.7 percent of original size [2021-03-11 18:51:16,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 18:51:16,852 INFO L142 QuantifierPusher]: treesize reduction 37, result has 52.6 percent of original size [2021-03-11 18:51:16,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 18:51:16,874 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.1 percent of original size [2021-03-11 18:51:16,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 18:51:16,875 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-11 18:51:16,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-11 18:51:16,899 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.5 percent of original size [2021-03-11 18:51:16,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-11 18:51:16,922 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size [2021-03-11 18:51:16,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 18:51:16,954 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size [2021-03-11 18:51:16,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 18:51:16,984 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size [2021-03-11 18:51:16,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-11 18:51:17,011 INFO L142 QuantifierPusher]: treesize reduction 14, result has 83.1 percent of original size [2021-03-11 18:51:17,012 INFO L147 QuantifierPusher]: treesize reduction 9, result has 87.0 percent of original size 60 [2021-03-11 18:51:17,058 INFO L142 QuantifierPusher]: treesize reduction 53, result has 63.4 percent of original size [2021-03-11 18:51:17,059 INFO L147 QuantifierPusher]: treesize reduction 9, result has 90.2 percent of original size 83 [2021-03-11 18:51:17,127 INFO L142 QuantifierPusher]: treesize reduction 53, result has 55.5 percent of original size [2021-03-11 18:51:17,128 INFO L147 QuantifierPusher]: treesize reduction 9, result has 86.4 percent of original size 57 [2021-03-11 18:51:17,191 INFO L142 QuantifierPusher]: treesize reduction 48, result has 63.4 percent of original size [2021-03-11 18:51:17,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-11 18:51:17,220 INFO L142 QuantifierPusher]: treesize reduction 48, result has 54.3 percent of original size [2021-03-11 18:51:17,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:51:17,242 INFO L142 QuantifierPusher]: treesize reduction 34, result has 70.9 percent of original size [2021-03-11 18:51:17,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-11 18:51:17,272 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-03-11 18:51:17,272 INFO L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-03-11 18:51:17,323 INFO L142 QuantifierPusher]: treesize reduction 11, result has 73.2 percent of original size [2021-03-11 18:51:17,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 18:51:17,351 INFO L142 QuantifierPusher]: treesize reduction 11, result has 71.8 percent of original size [2021-03-11 18:51:17,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 18:51:17,380 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-11 18:51:17,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 18:51:17,407 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-11 18:51:17,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:51:17,432 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-11 18:51:17,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 18:51:17,433 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-11 18:51:17,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:51:17,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:17,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:51:17,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:51:17,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493136826] [2021-03-11 18:51:17,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:51:17,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-03-11 18:51:17,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087598590] [2021-03-11 18:51:17,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-11 18:51:17,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:51:17,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-11 18:51:17,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-03-11 18:51:17,495 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 463 [2021-03-11 18:51:17,497 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 331 transitions, 4061 flow. Second operand has 20 states, 20 states have (on average 187.75) internal successors, (3755), 20 states have internal predecessors, (3755), 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) [2021-03-11 18:51:17,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:51:17,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 463 [2021-03-11 18:51:17,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:51:20,593 INFO L129 PetriNetUnfolder]: 2481/5014 cut-off events. [2021-03-11 18:51:20,594 INFO L130 PetriNetUnfolder]: For 745989/745989 co-relation queries the response was YES. [2021-03-11 18:51:20,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36303 conditions, 5014 events. 2481/5014 cut-off events. For 745989/745989 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 30633 event pairs, 611 based on Foata normal form. 80/4763 useless extension candidates. Maximal degree in co-relation 36158. Up to 3633 conditions per place. [2021-03-11 18:51:20,648 INFO L132 encePairwiseOnDemand]: 440/463 looper letters, 323 selfloop transitions, 99 changer transitions 25/455 dead transitions. [2021-03-11 18:51:20,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 455 transitions, 6422 flow [2021-03-11 18:51:20,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-11 18:51:20,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-11 18:51:20,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 5210 transitions. [2021-03-11 18:51:20,655 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4167666586673066 [2021-03-11 18:51:20,655 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 5210 transitions. [2021-03-11 18:51:20,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 5210 transitions. [2021-03-11 18:51:20,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:51:20,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 5210 transitions. [2021-03-11 18:51:20,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 192.96296296296296) internal successors, (5210), 27 states have internal predecessors, (5210), 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) [2021-03-11 18:51:20,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 463.0) internal successors, (12964), 28 states have internal predecessors, (12964), 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) [2021-03-11 18:51:20,672 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 463.0) internal successors, (12964), 28 states have internal predecessors, (12964), 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) [2021-03-11 18:51:20,673 INFO L185 Difference]: Start difference. First operand has 356 places, 331 transitions, 4061 flow. Second operand 27 states and 5210 transitions. [2021-03-11 18:51:20,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 455 transitions, 6422 flow [2021-03-11 18:51:21,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 455 transitions, 6065 flow, removed 177 selfloop flow, removed 2 redundant places. [2021-03-11 18:51:21,591 INFO L241 Difference]: Finished difference. Result has 397 places, 367 transitions, 4660 flow [2021-03-11 18:51:21,591 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=3712, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=4660, PETRI_PLACES=397, PETRI_TRANSITIONS=367} [2021-03-11 18:51:21,591 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 337 predicate places. [2021-03-11 18:51:21,591 INFO L480 AbstractCegarLoop]: Abstraction has has 397 places, 367 transitions, 4660 flow [2021-03-11 18:51:21,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 187.75) internal successors, (3755), 20 states have internal predecessors, (3755), 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) [2021-03-11 18:51:21,592 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:51:21,592 INFO L255 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] [2021-03-11 18:51:21,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-11 18:51:21,592 INFO L428 AbstractCegarLoop]: === Iteration 21 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:51:21,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:51:21,593 INFO L82 PathProgramCache]: Analyzing trace with hash -100514486, now seen corresponding path program 8 times [2021-03-11 18:51:21,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:51:21,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734307634] [2021-03-11 18:51:21,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:51:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:51:21,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:21,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 18:51:21,696 INFO L142 QuantifierPusher]: treesize reduction 115, result has 33.5 percent of original size [2021-03-11 18:51:21,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-11 18:51:21,734 INFO L142 QuantifierPusher]: treesize reduction 35, result has 64.6 percent of original size [2021-03-11 18:51:21,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-11 18:51:21,757 INFO L142 QuantifierPusher]: treesize reduction 35, result has 50.7 percent of original size [2021-03-11 18:51:21,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 18:51:21,781 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-03-11 18:51:21,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 18:51:21,782 INFO L142 QuantifierPusher]: treesize reduction 7, result has 86.3 percent of original size [2021-03-11 18:51:21,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 18:51:21,803 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-11 18:51:21,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-11 18:51:21,828 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.5 percent of original size [2021-03-11 18:51:21,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-11 18:51:21,852 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size [2021-03-11 18:51:21,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 18:51:21,880 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size [2021-03-11 18:51:21,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 18:51:21,904 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size [2021-03-11 18:51:21,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-11 18:51:21,930 INFO L142 QuantifierPusher]: treesize reduction 14, result has 83.1 percent of original size [2021-03-11 18:51:21,931 INFO L147 QuantifierPusher]: treesize reduction 9, result has 87.0 percent of original size 60 [2021-03-11 18:51:21,969 INFO L142 QuantifierPusher]: treesize reduction 64, result has 56.5 percent of original size [2021-03-11 18:51:21,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-11 18:51:22,027 INFO L142 QuantifierPusher]: treesize reduction 55, result has 54.5 percent of original size [2021-03-11 18:51:22,028 INFO L147 QuantifierPusher]: treesize reduction 9, result has 86.4 percent of original size 57 [2021-03-11 18:51:22,078 INFO L142 QuantifierPusher]: treesize reduction 50, result has 62.4 percent of original size [2021-03-11 18:51:22,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-11 18:51:22,103 INFO L142 QuantifierPusher]: treesize reduction 41, result has 61.7 percent of original size [2021-03-11 18:51:22,103 INFO L147 QuantifierPusher]: treesize reduction 9, result has 86.4 percent of original size 57 [2021-03-11 18:51:22,104 INFO L142 QuantifierPusher]: treesize reduction 36, result has 69.7 percent of original size [2021-03-11 18:51:22,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-11 18:51:22,126 INFO L142 QuantifierPusher]: treesize reduction 31, result has 69.9 percent of original size [2021-03-11 18:51:22,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-11 18:51:22,153 INFO L142 QuantifierPusher]: treesize reduction 10, result has 75.0 percent of original size [2021-03-11 18:51:22,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 18:51:22,176 INFO L142 QuantifierPusher]: treesize reduction 11, result has 71.8 percent of original size [2021-03-11 18:51:22,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 18:51:22,198 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-11 18:51:22,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 18:51:22,219 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-11 18:51:22,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:51:22,239 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-11 18:51:22,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 18:51:22,240 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-11 18:51:22,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:51:22,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:22,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:51:22,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:51:22,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734307634] [2021-03-11 18:51:22,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:51:22,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-03-11 18:51:22,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318098727] [2021-03-11 18:51:22,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-11 18:51:22,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:51:22,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-11 18:51:22,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-03-11 18:51:22,313 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 463 [2021-03-11 18:51:22,315 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 367 transitions, 4660 flow. Second operand has 20 states, 20 states have (on average 187.75) internal successors, (3755), 20 states have internal predecessors, (3755), 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) [2021-03-11 18:51:22,315 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:51:22,315 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 463 [2021-03-11 18:51:22,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:51:25,493 INFO L129 PetriNetUnfolder]: 2645/5353 cut-off events. [2021-03-11 18:51:25,493 INFO L130 PetriNetUnfolder]: For 910810/910810 co-relation queries the response was YES. [2021-03-11 18:51:25,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43007 conditions, 5353 events. 2645/5353 cut-off events. For 910810/910810 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 33406 event pairs, 706 based on Foata normal form. 52/5045 useless extension candidates. Maximal degree in co-relation 42844. Up to 3942 conditions per place. [2021-03-11 18:51:25,555 INFO L132 encePairwiseOnDemand]: 440/463 looper letters, 347 selfloop transitions, 101 changer transitions 26/482 dead transitions. [2021-03-11 18:51:25,555 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 482 transitions, 7408 flow [2021-03-11 18:51:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-11 18:51:25,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-11 18:51:25,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 5020 transitions. [2021-03-11 18:51:25,562 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.417012792822728 [2021-03-11 18:51:25,562 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 5020 transitions. [2021-03-11 18:51:25,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 5020 transitions. [2021-03-11 18:51:25,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:51:25,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 5020 transitions. [2021-03-11 18:51:25,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 193.07692307692307) internal successors, (5020), 26 states have internal predecessors, (5020), 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) [2021-03-11 18:51:25,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 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) [2021-03-11 18:51:25,580 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 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) [2021-03-11 18:51:25,580 INFO L185 Difference]: Start difference. First operand has 397 places, 367 transitions, 4660 flow. Second operand 26 states and 5020 transitions. [2021-03-11 18:51:25,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 482 transitions, 7408 flow [2021-03-11 18:51:26,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 482 transitions, 7094 flow, removed 135 selfloop flow, removed 7 redundant places. [2021-03-11 18:51:26,795 INFO L241 Difference]: Finished difference. Result has 430 places, 397 transitions, 5314 flow [2021-03-11 18:51:26,796 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=4382, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=5314, PETRI_PLACES=430, PETRI_TRANSITIONS=397} [2021-03-11 18:51:26,796 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 370 predicate places. [2021-03-11 18:51:26,796 INFO L480 AbstractCegarLoop]: Abstraction has has 430 places, 397 transitions, 5314 flow [2021-03-11 18:51:26,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 187.75) internal successors, (3755), 20 states have internal predecessors, (3755), 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) [2021-03-11 18:51:26,796 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:51:26,797 INFO L255 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] [2021-03-11 18:51:26,797 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-11 18:51:26,797 INFO L428 AbstractCegarLoop]: === Iteration 22 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:51:26,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:51:26,797 INFO L82 PathProgramCache]: Analyzing trace with hash -2011932270, now seen corresponding path program 9 times [2021-03-11 18:51:26,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:51:26,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473486267] [2021-03-11 18:51:26,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:51:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:51:26,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:26,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 18:51:26,915 INFO L142 QuantifierPusher]: treesize reduction 115, result has 33.5 percent of original size [2021-03-11 18:51:26,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-11 18:51:26,957 INFO L142 QuantifierPusher]: treesize reduction 35, result has 64.6 percent of original size [2021-03-11 18:51:26,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-11 18:51:26,979 INFO L142 QuantifierPusher]: treesize reduction 35, result has 50.7 percent of original size [2021-03-11 18:51:26,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 18:51:26,997 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-03-11 18:51:26,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 18:51:26,999 INFO L142 QuantifierPusher]: treesize reduction 7, result has 86.3 percent of original size [2021-03-11 18:51:26,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 18:51:27,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:27,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-11 18:51:27,045 INFO L142 QuantifierPusher]: treesize reduction 4, result has 93.4 percent of original size [2021-03-11 18:51:27,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:51:27,073 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size [2021-03-11 18:51:27,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 18:51:27,105 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size [2021-03-11 18:51:27,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 18:51:27,139 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size [2021-03-11 18:51:27,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-11 18:51:27,168 INFO L142 QuantifierPusher]: treesize reduction 14, result has 83.1 percent of original size [2021-03-11 18:51:27,169 INFO L147 QuantifierPusher]: treesize reduction 9, result has 87.0 percent of original size 60 [2021-03-11 18:51:27,220 INFO L142 QuantifierPusher]: treesize reduction 55, result has 62.6 percent of original size [2021-03-11 18:51:27,221 INFO L147 QuantifierPusher]: treesize reduction 9, result has 90.2 percent of original size 83 [2021-03-11 18:51:27,294 INFO L142 QuantifierPusher]: treesize reduction 55, result has 54.5 percent of original size [2021-03-11 18:51:27,295 INFO L147 QuantifierPusher]: treesize reduction 9, result has 86.4 percent of original size 57 [2021-03-11 18:51:27,362 INFO L142 QuantifierPusher]: treesize reduction 50, result has 62.4 percent of original size [2021-03-11 18:51:27,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-11 18:51:27,392 INFO L142 QuantifierPusher]: treesize reduction 41, result has 61.7 percent of original size [2021-03-11 18:51:27,393 INFO L147 QuantifierPusher]: treesize reduction 9, result has 86.4 percent of original size 57 [2021-03-11 18:51:27,394 INFO L142 QuantifierPusher]: treesize reduction 36, result has 69.7 percent of original size [2021-03-11 18:51:27,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-11 18:51:27,423 INFO L142 QuantifierPusher]: treesize reduction 31, result has 69.9 percent of original size [2021-03-11 18:51:27,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-11 18:51:27,460 INFO L142 QuantifierPusher]: treesize reduction 10, result has 75.0 percent of original size [2021-03-11 18:51:27,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 18:51:27,491 INFO L142 QuantifierPusher]: treesize reduction 11, result has 71.8 percent of original size [2021-03-11 18:51:27,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 18:51:27,520 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-11 18:51:27,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 18:51:27,542 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-11 18:51:27,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:51:27,563 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-11 18:51:27,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 18:51:27,564 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-11 18:51:27,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:51:27,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:27,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:51:27,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:51:27,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473486267] [2021-03-11 18:51:27,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:51:27,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-03-11 18:51:27,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458386901] [2021-03-11 18:51:27,665 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-11 18:51:27,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:51:27,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-11 18:51:27,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-03-11 18:51:27,668 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 463 [2021-03-11 18:51:27,670 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 397 transitions, 5314 flow. Second operand has 20 states, 20 states have (on average 187.75) internal successors, (3755), 20 states have internal predecessors, (3755), 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) [2021-03-11 18:51:27,670 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:51:27,670 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 463 [2021-03-11 18:51:27,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:51:31,254 INFO L129 PetriNetUnfolder]: 3018/6118 cut-off events. [2021-03-11 18:51:31,254 INFO L130 PetriNetUnfolder]: For 1192146/1192150 co-relation queries the response was YES. [2021-03-11 18:51:31,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51371 conditions, 6118 events. 3018/6118 cut-off events. For 1192146/1192150 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 39927 event pairs, 680 based on Foata normal form. 80/5758 useless extension candidates. Maximal degree in co-relation 51194. Up to 3434 conditions per place. [2021-03-11 18:51:31,334 INFO L132 encePairwiseOnDemand]: 439/463 looper letters, 360 selfloop transitions, 177 changer transitions 38/583 dead transitions. [2021-03-11 18:51:31,334 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 583 transitions, 9698 flow [2021-03-11 18:51:31,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-11 18:51:31,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-03-11 18:51:31,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 5816 transitions. [2021-03-11 18:51:31,344 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4187185025197984 [2021-03-11 18:51:31,344 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 5816 transitions. [2021-03-11 18:51:31,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 5816 transitions. [2021-03-11 18:51:31,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:51:31,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 5816 transitions. [2021-03-11 18:51:31,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 193.86666666666667) internal successors, (5816), 30 states have internal predecessors, (5816), 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) [2021-03-11 18:51:31,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 463.0) internal successors, (14353), 31 states have internal predecessors, (14353), 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) [2021-03-11 18:51:31,365 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 463.0) internal successors, (14353), 31 states have internal predecessors, (14353), 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) [2021-03-11 18:51:31,365 INFO L185 Difference]: Start difference. First operand has 430 places, 397 transitions, 5314 flow. Second operand 30 states and 5816 transitions. [2021-03-11 18:51:31,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 583 transitions, 9698 flow [2021-03-11 18:51:32,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 583 transitions, 9282 flow, removed 171 selfloop flow, removed 7 redundant places. [2021-03-11 18:51:32,952 INFO L241 Difference]: Finished difference. Result has 470 places, 465 transitions, 6698 flow [2021-03-11 18:51:32,953 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=4934, PETRI_DIFFERENCE_MINUEND_PLACES=421, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=6698, PETRI_PLACES=470, PETRI_TRANSITIONS=465} [2021-03-11 18:51:32,953 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 410 predicate places. [2021-03-11 18:51:32,953 INFO L480 AbstractCegarLoop]: Abstraction has has 470 places, 465 transitions, 6698 flow [2021-03-11 18:51:32,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 187.75) internal successors, (3755), 20 states have internal predecessors, (3755), 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) [2021-03-11 18:51:32,954 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:51:32,954 INFO L255 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] [2021-03-11 18:51:32,954 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-11 18:51:32,954 INFO L428 AbstractCegarLoop]: === Iteration 23 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:51:32,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:51:32,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1116913828, now seen corresponding path program 10 times [2021-03-11 18:51:32,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:51:32,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082359690] [2021-03-11 18:51:32,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:51:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:51:33,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:33,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 18:51:33,083 INFO L142 QuantifierPusher]: treesize reduction 115, result has 33.5 percent of original size [2021-03-11 18:51:33,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-11 18:51:33,119 INFO L142 QuantifierPusher]: treesize reduction 35, result has 64.6 percent of original size [2021-03-11 18:51:33,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-11 18:51:33,143 INFO L142 QuantifierPusher]: treesize reduction 35, result has 50.7 percent of original size [2021-03-11 18:51:33,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 18:51:33,160 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-03-11 18:51:33,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 18:51:33,162 INFO L142 QuantifierPusher]: treesize reduction 7, result has 86.3 percent of original size [2021-03-11 18:51:33,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 18:51:33,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:33,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-11 18:51:33,204 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.5 percent of original size [2021-03-11 18:51:33,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-11 18:51:33,229 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size [2021-03-11 18:51:33,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 18:51:33,260 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size [2021-03-11 18:51:33,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 18:51:33,293 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size [2021-03-11 18:51:33,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-11 18:51:33,322 INFO L142 QuantifierPusher]: treesize reduction 14, result has 83.1 percent of original size [2021-03-11 18:51:33,323 INFO L147 QuantifierPusher]: treesize reduction 9, result has 87.0 percent of original size 60 [2021-03-11 18:51:33,373 INFO L142 QuantifierPusher]: treesize reduction 64, result has 56.5 percent of original size [2021-03-11 18:51:33,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-11 18:51:33,442 INFO L142 QuantifierPusher]: treesize reduction 55, result has 54.5 percent of original size [2021-03-11 18:51:33,443 INFO L147 QuantifierPusher]: treesize reduction 9, result has 86.4 percent of original size 57 [2021-03-11 18:51:33,510 INFO L142 QuantifierPusher]: treesize reduction 50, result has 62.4 percent of original size [2021-03-11 18:51:33,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-11 18:51:33,541 INFO L142 QuantifierPusher]: treesize reduction 41, result has 61.7 percent of original size [2021-03-11 18:51:33,542 INFO L147 QuantifierPusher]: treesize reduction 9, result has 86.4 percent of original size 57 [2021-03-11 18:51:33,543 INFO L142 QuantifierPusher]: treesize reduction 36, result has 69.7 percent of original size [2021-03-11 18:51:33,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-11 18:51:33,574 INFO L142 QuantifierPusher]: treesize reduction 31, result has 69.9 percent of original size [2021-03-11 18:51:33,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-11 18:51:33,612 INFO L142 QuantifierPusher]: treesize reduction 10, result has 75.0 percent of original size [2021-03-11 18:51:33,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 18:51:33,644 INFO L142 QuantifierPusher]: treesize reduction 11, result has 71.8 percent of original size [2021-03-11 18:51:33,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 18:51:33,675 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-11 18:51:33,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 18:51:33,705 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-11 18:51:33,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:51:33,733 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-11 18:51:33,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 18:51:33,734 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-11 18:51:33,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:51:33,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:33,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:51:33,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:51:33,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082359690] [2021-03-11 18:51:33,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:51:33,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-03-11 18:51:33,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798491107] [2021-03-11 18:51:33,798 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-11 18:51:33,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:51:33,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-11 18:51:33,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-03-11 18:51:33,801 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 463 [2021-03-11 18:51:33,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 465 transitions, 6698 flow. Second operand has 20 states, 20 states have (on average 187.75) internal successors, (3755), 20 states have internal predecessors, (3755), 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) [2021-03-11 18:51:33,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:51:33,803 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 463 [2021-03-11 18:51:33,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:51:37,619 INFO L129 PetriNetUnfolder]: 3162/6433 cut-off events. [2021-03-11 18:51:37,620 INFO L130 PetriNetUnfolder]: For 1374368/1374372 co-relation queries the response was YES. [2021-03-11 18:51:37,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59236 conditions, 6433 events. 3162/6433 cut-off events. For 1374368/1374372 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 42772 event pairs, 775 based on Foata normal form. 56/6025 useless extension candidates. Maximal degree in co-relation 59040. Up to 3728 conditions per place. [2021-03-11 18:51:37,728 INFO L132 encePairwiseOnDemand]: 439/463 looper letters, 413 selfloop transitions, 144 changer transitions 32/597 dead transitions. [2021-03-11 18:51:37,728 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 597 transitions, 10620 flow [2021-03-11 18:51:37,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-11 18:51:37,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-11 18:51:37,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 5048 transitions. [2021-03-11 18:51:37,734 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.41933876059146036 [2021-03-11 18:51:37,734 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 5048 transitions. [2021-03-11 18:51:37,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 5048 transitions. [2021-03-11 18:51:37,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:51:37,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 5048 transitions. [2021-03-11 18:51:37,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 194.15384615384616) internal successors, (5048), 26 states have internal predecessors, (5048), 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) [2021-03-11 18:51:37,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 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) [2021-03-11 18:51:37,750 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 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) [2021-03-11 18:51:37,750 INFO L185 Difference]: Start difference. First operand has 470 places, 465 transitions, 6698 flow. Second operand 26 states and 5048 transitions. [2021-03-11 18:51:37,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 597 transitions, 10620 flow [2021-03-11 18:51:40,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 486 places, 597 transitions, 9993 flow, removed 235 selfloop flow, removed 7 redundant places. [2021-03-11 18:51:40,314 INFO L241 Difference]: Finished difference. Result has 503 places, 494 transitions, 7321 flow [2021-03-11 18:51:40,314 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=6080, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=465, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=7321, PETRI_PLACES=503, PETRI_TRANSITIONS=494} [2021-03-11 18:51:40,314 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 443 predicate places. [2021-03-11 18:51:40,314 INFO L480 AbstractCegarLoop]: Abstraction has has 503 places, 494 transitions, 7321 flow [2021-03-11 18:51:40,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 187.75) internal successors, (3755), 20 states have internal predecessors, (3755), 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) [2021-03-11 18:51:40,315 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:51:40,315 INFO L255 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] [2021-03-11 18:51:40,315 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-11 18:51:40,315 INFO L428 AbstractCegarLoop]: === Iteration 24 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:51:40,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:51:40,315 INFO L82 PathProgramCache]: Analyzing trace with hash 698962910, now seen corresponding path program 11 times [2021-03-11 18:51:40,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:51:40,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626937351] [2021-03-11 18:51:40,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:51:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:51:40,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:40,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 18:51:40,427 INFO L142 QuantifierPusher]: treesize reduction 115, result has 33.5 percent of original size [2021-03-11 18:51:40,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-11 18:51:40,462 INFO L142 QuantifierPusher]: treesize reduction 35, result has 64.6 percent of original size [2021-03-11 18:51:40,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-11 18:51:40,481 INFO L142 QuantifierPusher]: treesize reduction 35, result has 50.7 percent of original size [2021-03-11 18:51:40,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 18:51:40,498 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-03-11 18:51:40,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 18:51:40,499 INFO L142 QuantifierPusher]: treesize reduction 7, result has 86.3 percent of original size [2021-03-11 18:51:40,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 18:51:40,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:40,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-11 18:51:40,545 INFO L142 QuantifierPusher]: treesize reduction 4, result has 93.4 percent of original size [2021-03-11 18:51:40,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:51:40,569 INFO L142 QuantifierPusher]: treesize reduction 4, result has 93.4 percent of original size [2021-03-11 18:51:40,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:51:40,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:40,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:51:40,624 INFO L142 QuantifierPusher]: treesize reduction 16, result has 80.0 percent of original size [2021-03-11 18:51:40,625 INFO L147 QuantifierPusher]: treesize reduction 9, result has 85.9 percent of original size 55 [2021-03-11 18:51:40,665 INFO L142 QuantifierPusher]: treesize reduction 51, result has 63.0 percent of original size [2021-03-11 18:51:40,666 INFO L147 QuantifierPusher]: treesize reduction 9, result has 89.7 percent of original size 78 [2021-03-11 18:51:40,719 INFO L142 QuantifierPusher]: treesize reduction 60, result has 46.4 percent of original size [2021-03-11 18:51:40,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-11 18:51:40,762 INFO L142 QuantifierPusher]: treesize reduction 62, result has 47.9 percent of original size [2021-03-11 18:51:40,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:51:40,810 INFO L142 QuantifierPusher]: treesize reduction 48, result has 63.4 percent of original size [2021-03-11 18:51:40,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-11 18:51:40,835 INFO L142 QuantifierPusher]: treesize reduction 48, result has 54.3 percent of original size [2021-03-11 18:51:40,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:51:40,837 INFO L142 QuantifierPusher]: treesize reduction 34, result has 70.9 percent of original size [2021-03-11 18:51:40,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-11 18:51:40,862 INFO L142 QuantifierPusher]: treesize reduction 31, result has 69.9 percent of original size [2021-03-11 18:51:40,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-11 18:51:40,892 INFO L142 QuantifierPusher]: treesize reduction 10, result has 75.0 percent of original size [2021-03-11 18:51:40,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 18:51:40,916 INFO L142 QuantifierPusher]: treesize reduction 11, result has 71.8 percent of original size [2021-03-11 18:51:40,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 18:51:40,940 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-11 18:51:40,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 18:51:40,963 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-11 18:51:40,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:51:40,984 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-11 18:51:40,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 18:51:40,985 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-11 18:51:40,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:51:41,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:41,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:51:41,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:51:41,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626937351] [2021-03-11 18:51:41,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:51:41,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-03-11 18:51:41,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033891729] [2021-03-11 18:51:41,078 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-11 18:51:41,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:51:41,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-11 18:51:41,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-03-11 18:51:41,080 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 463 [2021-03-11 18:51:41,081 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 494 transitions, 7321 flow. Second operand has 20 states, 20 states have (on average 187.75) internal successors, (3755), 20 states have internal predecessors, (3755), 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) [2021-03-11 18:51:41,081 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:51:41,082 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 463 [2021-03-11 18:51:41,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:51:45,413 INFO L129 PetriNetUnfolder]: 3489/7084 cut-off events. [2021-03-11 18:51:45,414 INFO L130 PetriNetUnfolder]: For 1692869/1692873 co-relation queries the response was YES. [2021-03-11 18:51:45,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71409 conditions, 7084 events. 3489/7084 cut-off events. For 1692869/1692873 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 48255 event pairs, 653 based on Foata normal form. 29/6603 useless extension candidates. Maximal degree in co-relation 71195. Up to 3205 conditions per place. [2021-03-11 18:51:45,650 INFO L132 encePairwiseOnDemand]: 439/463 looper letters, 312 selfloop transitions, 312 changer transitions 37/669 dead transitions. [2021-03-11 18:51:45,650 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 669 transitions, 13513 flow [2021-03-11 18:51:45,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-11 18:51:45,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-03-11 18:51:45,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 6202 transitions. [2021-03-11 18:51:45,656 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4186015118790497 [2021-03-11 18:51:45,656 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 6202 transitions. [2021-03-11 18:51:45,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 6202 transitions. [2021-03-11 18:51:45,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:51:45,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 6202 transitions. [2021-03-11 18:51:45,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 193.8125) internal successors, (6202), 32 states have internal predecessors, (6202), 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) [2021-03-11 18:51:45,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 463.0) internal successors, (15279), 33 states have internal predecessors, (15279), 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) [2021-03-11 18:51:45,673 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 463.0) internal successors, (15279), 33 states have internal predecessors, (15279), 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) [2021-03-11 18:51:45,674 INFO L185 Difference]: Start difference. First operand has 503 places, 494 transitions, 7321 flow. Second operand 32 states and 6202 transitions. [2021-03-11 18:51:45,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 669 transitions, 13513 flow [2021-03-11 18:51:48,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 669 transitions, 12905 flow, removed 267 selfloop flow, removed 7 redundant places. [2021-03-11 18:51:48,898 INFO L241 Difference]: Finished difference. Result has 540 places, 538 transitions, 8749 flow [2021-03-11 18:51:48,899 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=6769, PETRI_DIFFERENCE_MINUEND_PLACES=494, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=273, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=8749, PETRI_PLACES=540, PETRI_TRANSITIONS=538} [2021-03-11 18:51:48,899 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 480 predicate places. [2021-03-11 18:51:48,899 INFO L480 AbstractCegarLoop]: Abstraction has has 540 places, 538 transitions, 8749 flow [2021-03-11 18:51:48,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 187.75) internal successors, (3755), 20 states have internal predecessors, (3755), 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) [2021-03-11 18:51:48,900 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:51:48,900 INFO L255 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] [2021-03-11 18:51:48,900 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-11 18:51:48,900 INFO L428 AbstractCegarLoop]: === Iteration 25 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:51:48,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:51:48,900 INFO L82 PathProgramCache]: Analyzing trace with hash 136243764, now seen corresponding path program 12 times [2021-03-11 18:51:48,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:51:48,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62516277] [2021-03-11 18:51:48,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:51:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:51:48,991 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-11 18:51:48,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 18:51:49,007 INFO L142 QuantifierPusher]: treesize reduction 96, result has 40.7 percent of original size [2021-03-11 18:51:49,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-11 18:51:49,046 INFO L142 QuantifierPusher]: treesize reduction 52, result has 48.0 percent of original size [2021-03-11 18:51:49,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-11 18:51:49,083 INFO L142 QuantifierPusher]: treesize reduction 38, result has 55.8 percent of original size [2021-03-11 18:51:49,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-11 18:51:49,085 INFO L142 QuantifierPusher]: treesize reduction 24, result has 70.0 percent of original size [2021-03-11 18:51:49,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-11 18:51:49,126 INFO L142 QuantifierPusher]: treesize reduction 17, result has 82.7 percent of original size [2021-03-11 18:51:49,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-11 18:51:49,151 INFO L142 QuantifierPusher]: treesize reduction 28, result has 74.5 percent of original size [2021-03-11 18:51:49,151 INFO L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 78 [2021-03-11 18:51:49,206 INFO L142 QuantifierPusher]: treesize reduction 33, result has 68.9 percent of original size [2021-03-11 18:51:49,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-11 18:51:49,239 INFO L142 QuantifierPusher]: treesize reduction 25, result has 79.2 percent of original size [2021-03-11 18:51:49,240 INFO L147 QuantifierPusher]: treesize reduction 4, result has 95.8 percent of original size 91 [2021-03-11 18:51:49,281 INFO L142 QuantifierPusher]: treesize reduction 25, result has 65.3 percent of original size [2021-03-11 18:51:49,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:51:49,306 INFO L142 QuantifierPusher]: treesize reduction 27, result has 67.1 percent of original size [2021-03-11 18:51:49,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:51:49,344 INFO L142 QuantifierPusher]: treesize reduction 36, result has 71.7 percent of original size [2021-03-11 18:51:49,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-11 18:51:49,399 INFO L142 QuantifierPusher]: treesize reduction 14, result has 89.7 percent of original size [2021-03-11 18:51:49,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 122 [2021-03-11 18:51:49,485 INFO L142 QuantifierPusher]: treesize reduction 14, result has 87.3 percent of original size [2021-03-11 18:51:49,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-11 18:51:49,562 INFO L142 QuantifierPusher]: treesize reduction 12, result has 90.2 percent of original size [2021-03-11 18:51:49,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-11 18:51:49,643 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.5 percent of original size [2021-03-11 18:51:49,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-11 18:51:49,714 INFO L142 QuantifierPusher]: treesize reduction 10, result has 90.7 percent of original size [2021-03-11 18:51:49,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-11 18:51:49,794 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:51:49,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-11 18:51:49,855 INFO L142 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size [2021-03-11 18:51:49,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:51:49,899 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-03-11 18:51:49,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 18:51:49,937 INFO L142 QuantifierPusher]: treesize reduction 6, result has 76.9 percent of original size [2021-03-11 18:51:49,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:51:49,966 INFO L142 QuantifierPusher]: treesize reduction 6, result has 84.2 percent of original size [2021-03-11 18:51:49,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:51:49,990 INFO L142 QuantifierPusher]: treesize reduction 6, result has 76.9 percent of original size [2021-03-11 18:51:49,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:51:49,990 INFO L142 QuantifierPusher]: treesize reduction 6, result has 84.2 percent of original size [2021-03-11 18:51:49,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:51:50,014 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.1 percent of original size [2021-03-11 18:51:50,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 18:51:50,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:51:50,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62516277] [2021-03-11 18:51:50,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:51:50,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-03-11 18:51:50,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822622882] [2021-03-11 18:51:50,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-11 18:51:50,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:51:50,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-11 18:51:50,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2021-03-11 18:51:50,054 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 463 [2021-03-11 18:51:50,056 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 538 transitions, 8749 flow. Second operand has 23 states, 23 states have (on average 183.52173913043478) internal successors, (4221), 23 states have internal predecessors, (4221), 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) [2021-03-11 18:51:50,056 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:51:50,056 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 463 [2021-03-11 18:51:50,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:51:51,911 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 84 [2021-03-11 18:51:55,162 INFO L129 PetriNetUnfolder]: 3704/7521 cut-off events. [2021-03-11 18:51:55,162 INFO L130 PetriNetUnfolder]: For 2180515/2180573 co-relation queries the response was YES. [2021-03-11 18:51:55,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80645 conditions, 7521 events. 3704/7521 cut-off events. For 2180515/2180573 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 52113 event pairs, 701 based on Foata normal form. 89/7042 useless extension candidates. Maximal degree in co-relation 80417. Up to 3791 conditions per place. [2021-03-11 18:51:55,289 INFO L132 encePairwiseOnDemand]: 440/463 looper letters, 402 selfloop transitions, 234 changer transitions 33/677 dead transitions. [2021-03-11 18:51:55,289 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 565 places, 677 transitions, 14039 flow [2021-03-11 18:51:55,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-11 18:51:55,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-03-11 18:51:55,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 5306 transitions. [2021-03-11 18:51:55,292 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.40928725701943847 [2021-03-11 18:51:55,292 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 5306 transitions. [2021-03-11 18:51:55,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 5306 transitions. [2021-03-11 18:51:55,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:51:55,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 5306 transitions. [2021-03-11 18:51:55,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 189.5) internal successors, (5306), 28 states have internal predecessors, (5306), 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) [2021-03-11 18:51:55,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 463.0) internal successors, (13427), 29 states have internal predecessors, (13427), 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) [2021-03-11 18:51:55,305 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 463.0) internal successors, (13427), 29 states have internal predecessors, (13427), 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) [2021-03-11 18:51:55,305 INFO L185 Difference]: Start difference. First operand has 540 places, 538 transitions, 8749 flow. Second operand 28 states and 5306 transitions. [2021-03-11 18:51:55,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 565 places, 677 transitions, 14039 flow [2021-03-11 18:51:59,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 677 transitions, 13138 flow, removed 310 selfloop flow, removed 12 redundant places. [2021-03-11 18:51:59,151 INFO L241 Difference]: Finished difference. Result has 568 places, 574 transitions, 9559 flow [2021-03-11 18:51:59,151 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=7962, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=205, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=9559, PETRI_PLACES=568, PETRI_TRANSITIONS=574} [2021-03-11 18:51:59,151 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 508 predicate places. [2021-03-11 18:51:59,151 INFO L480 AbstractCegarLoop]: Abstraction has has 568 places, 574 transitions, 9559 flow [2021-03-11 18:51:59,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 183.52173913043478) internal successors, (4221), 23 states have internal predecessors, (4221), 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) [2021-03-11 18:51:59,152 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:51:59,152 INFO L255 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] [2021-03-11 18:51:59,152 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-11 18:51:59,152 INFO L428 AbstractCegarLoop]: === Iteration 26 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:51:59,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:51:59,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1252564692, now seen corresponding path program 13 times [2021-03-11 18:51:59,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:51:59,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290291329] [2021-03-11 18:51:59,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:51:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:51:59,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:59,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 18:51:59,259 INFO L142 QuantifierPusher]: treesize reduction 76, result has 48.6 percent of original size [2021-03-11 18:51:59,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-11 18:51:59,308 INFO L142 QuantifierPusher]: treesize reduction 32, result has 57.9 percent of original size [2021-03-11 18:51:59,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 18:51:59,344 INFO L142 QuantifierPusher]: treesize reduction 18, result has 71.0 percent of original size [2021-03-11 18:51:59,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 18:51:59,346 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-03-11 18:51:59,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-11 18:51:59,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:59,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-11 18:51:59,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:51:59,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-11 18:51:59,431 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.6 percent of original size [2021-03-11 18:51:59,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-11 18:51:59,471 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.5 percent of original size [2021-03-11 18:51:59,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:51:59,520 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.5 percent of original size [2021-03-11 18:51:59,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:51:59,571 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-11 18:51:59,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:51:59,615 INFO L142 QuantifierPusher]: treesize reduction 15, result has 85.8 percent of original size [2021-03-11 18:51:59,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-11 18:51:59,675 INFO L142 QuantifierPusher]: treesize reduction 14, result has 90.1 percent of original size [2021-03-11 18:51:59,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-03-11 18:51:59,768 INFO L142 QuantifierPusher]: treesize reduction 14, result has 87.8 percent of original size [2021-03-11 18:51:59,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-11 18:51:59,855 INFO L142 QuantifierPusher]: treesize reduction 12, result has 90.6 percent of original size [2021-03-11 18:51:59,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-03-11 18:51:59,944 INFO L142 QuantifierPusher]: treesize reduction 12, result has 88.1 percent of original size [2021-03-11 18:51:59,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-11 18:52:00,014 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:52:00,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-11 18:52:00,077 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:52:00,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-11 18:52:00,136 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-11 18:52:00,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:52:00,177 INFO L142 QuantifierPusher]: treesize reduction 21, result has 57.1 percent of original size [2021-03-11 18:52:00,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 18:52:00,209 INFO L142 QuantifierPusher]: treesize reduction 7, result has 74.1 percent of original size [2021-03-11 18:52:00,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:52:00,240 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-03-11 18:52:00,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:52:00,265 INFO L142 QuantifierPusher]: treesize reduction 7, result has 74.1 percent of original size [2021-03-11 18:52:00,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:52:00,266 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-03-11 18:52:00,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:52:00,292 INFO L142 QuantifierPusher]: treesize reduction 6, result has 76.9 percent of original size [2021-03-11 18:52:00,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:52:00,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:52:00,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290291329] [2021-03-11 18:52:00,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:52:00,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-03-11 18:52:00,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840139525] [2021-03-11 18:52:00,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-11 18:52:00,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:52:00,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-11 18:52:00,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2021-03-11 18:52:00,327 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 463 [2021-03-11 18:52:00,329 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 568 places, 574 transitions, 9559 flow. Second operand has 23 states, 23 states have (on average 183.52173913043478) internal successors, (4221), 23 states have internal predecessors, (4221), 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) [2021-03-11 18:52:00,329 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:52:00,330 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 463 [2021-03-11 18:52:00,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:52:05,508 INFO L129 PetriNetUnfolder]: 3846/7844 cut-off events. [2021-03-11 18:52:05,509 INFO L130 PetriNetUnfolder]: For 2241907/2242031 co-relation queries the response was YES. [2021-03-11 18:52:05,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86854 conditions, 7844 events. 3846/7844 cut-off events. For 2241907/2242031 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 55169 event pairs, 793 based on Foata normal form. 60/7313 useless extension candidates. Maximal degree in co-relation 86615. Up to 4149 conditions per place. [2021-03-11 18:52:05,647 INFO L132 encePairwiseOnDemand]: 440/463 looper letters, 484 selfloop transitions, 180 changer transitions 32/704 dead transitions. [2021-03-11 18:52:05,647 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 591 places, 704 transitions, 14496 flow [2021-03-11 18:52:05,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-11 18:52:05,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-11 18:52:05,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4940 transitions. [2021-03-11 18:52:05,651 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4103671706263499 [2021-03-11 18:52:05,651 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 4940 transitions. [2021-03-11 18:52:05,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 4940 transitions. [2021-03-11 18:52:05,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:52:05,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 4940 transitions. [2021-03-11 18:52:05,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 190.0) internal successors, (4940), 26 states have internal predecessors, (4940), 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) [2021-03-11 18:52:05,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 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) [2021-03-11 18:52:05,659 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 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) [2021-03-11 18:52:05,659 INFO L185 Difference]: Start difference. First operand has 568 places, 574 transitions, 9559 flow. Second operand 26 states and 4940 transitions. [2021-03-11 18:52:05,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 591 places, 704 transitions, 14496 flow [2021-03-11 18:52:10,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 577 places, 704 transitions, 13290 flow, removed 459 selfloop flow, removed 14 redundant places. [2021-03-11 18:52:10,668 INFO L241 Difference]: Finished difference. Result has 593 places, 602 transitions, 10107 flow [2021-03-11 18:52:10,669 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=8727, PETRI_DIFFERENCE_MINUEND_PLACES=552, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=574, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=10107, PETRI_PLACES=593, PETRI_TRANSITIONS=602} [2021-03-11 18:52:10,669 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 533 predicate places. [2021-03-11 18:52:10,669 INFO L480 AbstractCegarLoop]: Abstraction has has 593 places, 602 transitions, 10107 flow [2021-03-11 18:52:10,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 183.52173913043478) internal successors, (4221), 23 states have internal predecessors, (4221), 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) [2021-03-11 18:52:10,670 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:52:10,670 INFO L255 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] [2021-03-11 18:52:10,670 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-11 18:52:10,670 INFO L428 AbstractCegarLoop]: === Iteration 27 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:52:10,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:52:10,670 INFO L82 PathProgramCache]: Analyzing trace with hash -356084284, now seen corresponding path program 14 times [2021-03-11 18:52:10,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:52:10,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54294981] [2021-03-11 18:52:10,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:52:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:52:10,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:52:10,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 18:52:10,779 INFO L142 QuantifierPusher]: treesize reduction 79, result has 51.8 percent of original size [2021-03-11 18:52:10,780 INFO L147 QuantifierPusher]: treesize reduction 6, result has 92.9 percent of original size 79 [2021-03-11 18:52:10,840 INFO L142 QuantifierPusher]: treesize reduction 45, result has 53.1 percent of original size [2021-03-11 18:52:10,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-11 18:52:10,890 INFO L142 QuantifierPusher]: treesize reduction 31, result has 62.2 percent of original size [2021-03-11 18:52:10,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-11 18:52:10,891 INFO L142 QuantifierPusher]: treesize reduction 17, result has 77.6 percent of original size [2021-03-11 18:52:10,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 18:52:10,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:52:10,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-11 18:52:10,962 INFO L142 QuantifierPusher]: treesize reduction 34, result has 75.4 percent of original size [2021-03-11 18:52:10,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-11 18:52:10,994 INFO L142 QuantifierPusher]: treesize reduction 18, result has 76.9 percent of original size [2021-03-11 18:52:10,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 18:52:11,024 INFO L142 QuantifierPusher]: treesize reduction 31, result has 65.9 percent of original size [2021-03-11 18:52:11,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 18:52:11,055 INFO L142 QuantifierPusher]: treesize reduction 27, result has 64.9 percent of original size [2021-03-11 18:52:11,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-11 18:52:11,083 INFO L142 QuantifierPusher]: treesize reduction 51, result has 53.2 percent of original size [2021-03-11 18:52:11,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-11 18:52:11,114 INFO L142 QuantifierPusher]: treesize reduction 50, result has 57.3 percent of original size [2021-03-11 18:52:11,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-11 18:52:11,141 INFO L142 QuantifierPusher]: treesize reduction 48, result has 69.8 percent of original size [2021-03-11 18:52:11,142 INFO L147 QuantifierPusher]: treesize reduction 9, result has 91.9 percent of original size 102 [2021-03-11 18:52:11,207 INFO L142 QuantifierPusher]: treesize reduction 38, result has 66.7 percent of original size [2021-03-11 18:52:11,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-11 18:52:11,263 INFO L142 QuantifierPusher]: treesize reduction 46, result has 68.3 percent of original size [2021-03-11 18:52:11,264 INFO L147 QuantifierPusher]: treesize reduction 9, result has 90.9 percent of original size 90 [2021-03-11 18:52:11,325 INFO L142 QuantifierPusher]: treesize reduction 36, result has 64.0 percent of original size [2021-03-11 18:52:11,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-11 18:52:11,376 INFO L142 QuantifierPusher]: treesize reduction 53, result has 59.5 percent of original size [2021-03-11 18:52:11,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-11 18:52:11,428 INFO L142 QuantifierPusher]: treesize reduction 46, result has 65.7 percent of original size [2021-03-11 18:52:11,428 INFO L147 QuantifierPusher]: treesize reduction 9, result has 89.8 percent of original size 79 [2021-03-11 18:52:11,505 INFO L142 QuantifierPusher]: treesize reduction 13, result has 74.0 percent of original size [2021-03-11 18:52:11,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-11 18:52:11,536 INFO L142 QuantifierPusher]: treesize reduction 17, result has 77.9 percent of original size [2021-03-11 18:52:11,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 18:52:11,581 INFO L142 QuantifierPusher]: treesize reduction 31, result has 51.6 percent of original size [2021-03-11 18:52:11,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:52:11,611 INFO L142 QuantifierPusher]: treesize reduction 43, result has 51.1 percent of original size [2021-03-11 18:52:11,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 18:52:11,638 INFO L142 QuantifierPusher]: treesize reduction 31, result has 51.6 percent of original size [2021-03-11 18:52:11,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:52:11,639 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.7 percent of original size [2021-03-11 18:52:11,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:52:11,673 INFO L142 QuantifierPusher]: treesize reduction 16, result has 79.7 percent of original size [2021-03-11 18:52:11,673 INFO L147 QuantifierPusher]: treesize reduction 4, result has 93.7 percent of original size 59 [2021-03-11 18:52:11,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:52:11,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54294981] [2021-03-11 18:52:11,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:52:11,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-03-11 18:52:11,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131754707] [2021-03-11 18:52:11,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-11 18:52:11,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:52:11,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-11 18:52:11,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2021-03-11 18:52:11,729 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 463 [2021-03-11 18:52:11,730 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 593 places, 602 transitions, 10107 flow. Second operand has 24 states, 24 states have (on average 180.45833333333334) internal successors, (4331), 24 states have internal predecessors, (4331), 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) [2021-03-11 18:52:11,731 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:52:11,731 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 463 [2021-03-11 18:52:11,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:52:13,428 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 62 [2021-03-11 18:52:13,853 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 89 [2021-03-11 18:52:18,013 INFO L129 PetriNetUnfolder]: 4300/8683 cut-off events. [2021-03-11 18:52:18,013 INFO L130 PetriNetUnfolder]: For 2254593/2254637 co-relation queries the response was YES. [2021-03-11 18:52:18,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93161 conditions, 8683 events. 4300/8683 cut-off events. For 2254593/2254637 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 62087 event pairs, 728 based on Foata normal form. 33/8041 useless extension candidates. Maximal degree in co-relation 92910. Up to 4110 conditions per place. [2021-03-11 18:52:18,292 INFO L132 encePairwiseOnDemand]: 439/463 looper letters, 412 selfloop transitions, 331 changer transitions 37/788 dead transitions. [2021-03-11 18:52:18,292 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 622 places, 788 transitions, 16966 flow [2021-03-11 18:52:18,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-11 18:52:18,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-03-11 18:52:18,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 5955 transitions. [2021-03-11 18:52:18,296 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4019303455723542 [2021-03-11 18:52:18,296 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 5955 transitions. [2021-03-11 18:52:18,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 5955 transitions. [2021-03-11 18:52:18,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:52:18,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 5955 transitions. [2021-03-11 18:52:18,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 186.09375) internal successors, (5955), 32 states have internal predecessors, (5955), 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) [2021-03-11 18:52:18,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 463.0) internal successors, (15279), 33 states have internal predecessors, (15279), 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) [2021-03-11 18:52:18,306 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 463.0) internal successors, (15279), 33 states have internal predecessors, (15279), 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) [2021-03-11 18:52:18,306 INFO L185 Difference]: Start difference. First operand has 593 places, 602 transitions, 10107 flow. Second operand 32 states and 5955 transitions. [2021-03-11 18:52:18,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 622 places, 788 transitions, 16966 flow [2021-03-11 18:52:23,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 612 places, 788 transitions, 16149 flow, removed 360 selfloop flow, removed 10 redundant places. [2021-03-11 18:52:23,755 INFO L241 Difference]: Finished difference. Result has 626 places, 669 transitions, 11879 flow [2021-03-11 18:52:23,755 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=9464, PETRI_DIFFERENCE_MINUEND_PLACES=581, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=268, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=11879, PETRI_PLACES=626, PETRI_TRANSITIONS=669} [2021-03-11 18:52:23,756 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 566 predicate places. [2021-03-11 18:52:23,756 INFO L480 AbstractCegarLoop]: Abstraction has has 626 places, 669 transitions, 11879 flow [2021-03-11 18:52:23,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 180.45833333333334) internal successors, (4331), 24 states have internal predecessors, (4331), 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) [2021-03-11 18:52:23,756 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:52:23,756 INFO L255 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] [2021-03-11 18:52:23,756 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-11 18:52:23,757 INFO L428 AbstractCegarLoop]: === Iteration 28 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:52:23,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:52:23,757 INFO L82 PathProgramCache]: Analyzing trace with hash 602813096, now seen corresponding path program 15 times [2021-03-11 18:52:23,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:52:23,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149610985] [2021-03-11 18:52:23,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:52:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:52:23,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:52:23,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 18:52:23,858 INFO L142 QuantifierPusher]: treesize reduction 79, result has 51.8 percent of original size [2021-03-11 18:52:23,859 INFO L147 QuantifierPusher]: treesize reduction 6, result has 92.9 percent of original size 79 [2021-03-11 18:52:23,917 INFO L142 QuantifierPusher]: treesize reduction 45, result has 53.1 percent of original size [2021-03-11 18:52:23,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-11 18:52:23,970 INFO L142 QuantifierPusher]: treesize reduction 31, result has 62.2 percent of original size [2021-03-11 18:52:23,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-11 18:52:23,971 INFO L142 QuantifierPusher]: treesize reduction 17, result has 77.6 percent of original size [2021-03-11 18:52:23,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 18:52:24,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:52:24,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-11 18:52:24,044 INFO L142 QuantifierPusher]: treesize reduction 34, result has 75.4 percent of original size [2021-03-11 18:52:24,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-11 18:52:24,076 INFO L142 QuantifierPusher]: treesize reduction 18, result has 76.9 percent of original size [2021-03-11 18:52:24,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 18:52:24,105 INFO L142 QuantifierPusher]: treesize reduction 31, result has 65.9 percent of original size [2021-03-11 18:52:24,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 18:52:24,136 INFO L142 QuantifierPusher]: treesize reduction 27, result has 64.9 percent of original size [2021-03-11 18:52:24,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-11 18:52:24,164 INFO L142 QuantifierPusher]: treesize reduction 51, result has 53.2 percent of original size [2021-03-11 18:52:24,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-11 18:52:24,195 INFO L142 QuantifierPusher]: treesize reduction 58, result has 61.6 percent of original size [2021-03-11 18:52:24,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-11 18:52:24,268 INFO L142 QuantifierPusher]: treesize reduction 39, result has 63.2 percent of original size [2021-03-11 18:52:24,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-11 18:52:24,334 INFO L142 QuantifierPusher]: treesize reduction 56, result has 59.1 percent of original size [2021-03-11 18:52:24,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-11 18:52:24,402 INFO L142 QuantifierPusher]: treesize reduction 37, result has 59.8 percent of original size [2021-03-11 18:52:24,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:52:24,462 INFO L142 QuantifierPusher]: treesize reduction 36, result has 64.0 percent of original size [2021-03-11 18:52:24,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-11 18:52:24,527 INFO L142 QuantifierPusher]: treesize reduction 53, result has 59.5 percent of original size [2021-03-11 18:52:24,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-11 18:52:24,591 INFO L142 QuantifierPusher]: treesize reduction 46, result has 65.7 percent of original size [2021-03-11 18:52:24,592 INFO L147 QuantifierPusher]: treesize reduction 9, result has 89.8 percent of original size 79 [2021-03-11 18:52:24,650 INFO L142 QuantifierPusher]: treesize reduction 13, result has 74.0 percent of original size [2021-03-11 18:52:24,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-11 18:52:24,697 INFO L142 QuantifierPusher]: treesize reduction 17, result has 77.9 percent of original size [2021-03-11 18:52:24,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 18:52:24,756 INFO L142 QuantifierPusher]: treesize reduction 31, result has 51.6 percent of original size [2021-03-11 18:52:24,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:52:24,790 INFO L142 QuantifierPusher]: treesize reduction 43, result has 51.1 percent of original size [2021-03-11 18:52:24,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 18:52:24,818 INFO L142 QuantifierPusher]: treesize reduction 31, result has 51.6 percent of original size [2021-03-11 18:52:24,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:52:24,819 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.7 percent of original size [2021-03-11 18:52:24,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:52:24,852 INFO L142 QuantifierPusher]: treesize reduction 16, result has 79.7 percent of original size [2021-03-11 18:52:24,852 INFO L147 QuantifierPusher]: treesize reduction 4, result has 93.7 percent of original size 59 [2021-03-11 18:52:24,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:52:24,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149610985] [2021-03-11 18:52:24,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:52:24,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-03-11 18:52:24,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604006559] [2021-03-11 18:52:24,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-11 18:52:24,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:52:24,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-11 18:52:24,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-03-11 18:52:24,907 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 463 [2021-03-11 18:52:24,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 626 places, 669 transitions, 11879 flow. Second operand has 24 states, 24 states have (on average 180.45833333333334) internal successors, (4331), 24 states have internal predecessors, (4331), 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) [2021-03-11 18:52:24,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:52:24,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 463 [2021-03-11 18:52:24,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:52:26,463 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 85 [2021-03-11 18:52:27,105 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 89 [2021-03-11 18:52:31,855 INFO L129 PetriNetUnfolder]: 4475/9034 cut-off events. [2021-03-11 18:52:31,855 INFO L130 PetriNetUnfolder]: For 2467471/2467551 co-relation queries the response was YES. [2021-03-11 18:52:32,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103118 conditions, 9034 events. 4475/9034 cut-off events. For 2467471/2467551 co-relation queries the response was YES. Maximal size of possible extension queue 283. Compared 65512 event pairs, 657 based on Foata normal form. 67/8417 useless extension candidates. Maximal degree in co-relation 102857. Up to 3212 conditions per place. [2021-03-11 18:52:32,027 INFO L132 encePairwiseOnDemand]: 438/463 looper letters, 335 selfloop transitions, 445 changer transitions 38/826 dead transitions. [2021-03-11 18:52:32,027 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 656 places, 826 transitions, 18953 flow [2021-03-11 18:52:32,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-03-11 18:52:32,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-03-11 18:52:32,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 6155 transitions. [2021-03-11 18:52:32,031 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.40284050003272465 [2021-03-11 18:52:32,031 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 6155 transitions. [2021-03-11 18:52:32,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 6155 transitions. [2021-03-11 18:52:32,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:52:32,032 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 6155 transitions. [2021-03-11 18:52:32,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 186.5151515151515) internal successors, (6155), 33 states have internal predecessors, (6155), 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) [2021-03-11 18:52:32,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 463.0) internal successors, (15742), 34 states have internal predecessors, (15742), 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) [2021-03-11 18:52:32,045 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 463.0) internal successors, (15742), 34 states have internal predecessors, (15742), 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) [2021-03-11 18:52:32,046 INFO L185 Difference]: Start difference. First operand has 626 places, 669 transitions, 11879 flow. Second operand 33 states and 6155 transitions. [2021-03-11 18:52:32,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 656 places, 826 transitions, 18953 flow [2021-03-11 18:52:39,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 644 places, 826 transitions, 18088 flow, removed 327 selfloop flow, removed 12 redundant places. [2021-03-11 18:52:39,043 INFO L241 Difference]: Finished difference. Result has 657 places, 693 transitions, 13274 flow [2021-03-11 18:52:39,044 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=11148, PETRI_DIFFERENCE_MINUEND_PLACES=612, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=426, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=13274, PETRI_PLACES=657, PETRI_TRANSITIONS=693} [2021-03-11 18:52:39,044 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 597 predicate places. [2021-03-11 18:52:39,044 INFO L480 AbstractCegarLoop]: Abstraction has has 657 places, 693 transitions, 13274 flow [2021-03-11 18:52:39,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 180.45833333333334) internal successors, (4331), 24 states have internal predecessors, (4331), 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) [2021-03-11 18:52:39,045 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:52:39,045 INFO L255 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] [2021-03-11 18:52:39,045 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-11 18:52:39,045 INFO L428 AbstractCegarLoop]: === Iteration 29 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:52:39,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:52:39,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1096184504, now seen corresponding path program 16 times [2021-03-11 18:52:39,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:52:39,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120079720] [2021-03-11 18:52:39,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:52:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:52:39,132 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-11 18:52:39,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 18:52:39,143 INFO L142 QuantifierPusher]: treesize reduction 58, result has 57.7 percent of original size [2021-03-11 18:52:39,144 INFO L147 QuantifierPusher]: treesize reduction 7, result has 91.1 percent of original size 72 [2021-03-11 18:52:39,193 INFO L142 QuantifierPusher]: treesize reduction 32, result has 57.9 percent of original size [2021-03-11 18:52:39,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 18:52:39,219 INFO L142 QuantifierPusher]: treesize reduction 18, result has 71.0 percent of original size [2021-03-11 18:52:39,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 18:52:39,220 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-03-11 18:52:39,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-11 18:52:39,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:52:39,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-11 18:52:39,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:52:39,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-11 18:52:39,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:52:39,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-11 18:52:39,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:52:39,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-11 18:52:39,335 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.3 percent of original size [2021-03-11 18:52:39,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-11 18:52:39,375 INFO L142 QuantifierPusher]: treesize reduction 46, result has 70.5 percent of original size [2021-03-11 18:52:39,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-11 18:52:39,439 INFO L142 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-03-11 18:52:39,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-11 18:52:39,498 INFO L142 QuantifierPusher]: treesize reduction 4, result has 96.1 percent of original size [2021-03-11 18:52:39,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-11 18:52:39,557 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size [2021-03-11 18:52:39,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-11 18:52:39,610 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.7 percent of original size [2021-03-11 18:52:39,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-11 18:52:39,680 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.8 percent of original size [2021-03-11 18:52:39,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-11 18:52:39,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:52:39,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-11 18:52:39,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:52:39,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 18:52:39,792 INFO L142 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size [2021-03-11 18:52:39,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:52:39,832 INFO L142 QuantifierPusher]: treesize reduction 6, result has 90.3 percent of original size [2021-03-11 18:52:39,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-11 18:52:39,883 INFO L142 QuantifierPusher]: treesize reduction 28, result has 50.9 percent of original size [2021-03-11 18:52:39,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:52:39,925 INFO L142 QuantifierPusher]: treesize reduction 28, result has 59.4 percent of original size [2021-03-11 18:52:39,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 18:52:39,959 INFO L142 QuantifierPusher]: treesize reduction 28, result has 50.9 percent of original size [2021-03-11 18:52:39,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:52:39,961 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.6 percent of original size [2021-03-11 18:52:39,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 18:52:40,008 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.1 percent of original size [2021-03-11 18:52:40,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 18:52:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:52:40,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120079720] [2021-03-11 18:52:40,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:52:40,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-03-11 18:52:40,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130997029] [2021-03-11 18:52:40,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-11 18:52:40,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:52:40,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-11 18:52:40,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2021-03-11 18:52:40,052 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 463 [2021-03-11 18:52:40,053 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 657 places, 693 transitions, 13274 flow. Second operand has 24 states, 24 states have (on average 180.45833333333334) internal successors, (4331), 24 states have internal predecessors, (4331), 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) [2021-03-11 18:52:40,053 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:52:40,053 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 463 [2021-03-11 18:52:40,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:52:42,120 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 73 [2021-03-11 18:52:46,963 INFO L129 PetriNetUnfolder]: 4715/9532 cut-off events. [2021-03-11 18:52:46,964 INFO L130 PetriNetUnfolder]: For 2690340/2690404 co-relation queries the response was YES. [2021-03-11 18:52:47,118 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113640 conditions, 9532 events. 4715/9532 cut-off events. For 2690340/2690404 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 69953 event pairs, 478 based on Foata normal form. 89/8920 useless extension candidates. Maximal degree in co-relation 113368. Up to 2010 conditions per place. [2021-03-11 18:52:47,148 INFO L132 encePairwiseOnDemand]: 440/463 looper letters, 330 selfloop transitions, 492 changer transitions 33/863 dead transitions. [2021-03-11 18:52:47,148 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 687 places, 863 transitions, 21043 flow [2021-03-11 18:52:47,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-03-11 18:52:47,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-03-11 18:52:47,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 6171 transitions. [2021-03-11 18:52:47,152 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4038876889848812 [2021-03-11 18:52:47,152 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 6171 transitions. [2021-03-11 18:52:47,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 6171 transitions. [2021-03-11 18:52:47,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:52:47,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 6171 transitions. [2021-03-11 18:52:47,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 187.0) internal successors, (6171), 33 states have internal predecessors, (6171), 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) [2021-03-11 18:52:47,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 463.0) internal successors, (15742), 34 states have internal predecessors, (15742), 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) [2021-03-11 18:52:47,166 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 463.0) internal successors, (15742), 34 states have internal predecessors, (15742), 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) [2021-03-11 18:52:47,166 INFO L185 Difference]: Start difference. First operand has 657 places, 693 transitions, 13274 flow. Second operand 33 states and 6171 transitions. [2021-03-11 18:52:47,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 687 places, 863 transitions, 21043 flow [2021-03-11 18:52:55,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 666 places, 863 transitions, 19785 flow, removed 383 selfloop flow, removed 21 redundant places. [2021-03-11 18:52:55,331 INFO L241 Difference]: Finished difference. Result has 676 places, 717 transitions, 14456 flow [2021-03-11 18:52:55,332 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=12294, PETRI_DIFFERENCE_MINUEND_PLACES=634, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=693, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=472, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=14456, PETRI_PLACES=676, PETRI_TRANSITIONS=717} [2021-03-11 18:52:55,332 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 616 predicate places. [2021-03-11 18:52:55,332 INFO L480 AbstractCegarLoop]: Abstraction has has 676 places, 717 transitions, 14456 flow [2021-03-11 18:52:55,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 180.45833333333334) internal successors, (4331), 24 states have internal predecessors, (4331), 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) [2021-03-11 18:52:55,333 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:52:55,333 INFO L255 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] [2021-03-11 18:52:55,333 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-11 18:52:55,333 INFO L428 AbstractCegarLoop]: === Iteration 30 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:52:55,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:52:55,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1366198868, now seen corresponding path program 1 times [2021-03-11 18:52:55,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:52:55,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943935601] [2021-03-11 18:52:55,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:52:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 18:52:55,373 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 18:52:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 18:52:55,402 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 18:52:55,428 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 18:52:55,429 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 18:52:55,429 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-11 18:52:55,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 06:52:55 BasicIcfg [2021-03-11 18:52:55,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 18:52:55,532 INFO L168 Benchmark]: Toolchain (without parser) took 149020.45 ms. Allocated memory was 362.8 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 325.4 MB in the beginning and 5.3 GB in the end (delta: -5.0 GB). Peak memory consumption was 2.9 GB. Max. memory is 16.0 GB. [2021-03-11 18:52:55,532 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 362.8 MB. Free memory was 344.0 MB in the beginning and 344.0 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 18:52:55,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.80 ms. Allocated memory is still 362.8 MB. Free memory was 324.7 MB in the beginning and 297.7 MB in the end (delta: 27.0 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.0 GB. [2021-03-11 18:52:55,533 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.96 ms. Allocated memory is still 362.8 MB. Free memory was 297.7 MB in the beginning and 294.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 18:52:55,533 INFO L168 Benchmark]: Boogie Preprocessor took 46.20 ms. Allocated memory is still 362.8 MB. Free memory was 294.5 MB in the beginning and 292.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 18:52:55,533 INFO L168 Benchmark]: RCFGBuilder took 693.97 ms. Allocated memory is still 362.8 MB. Free memory was 292.5 MB in the beginning and 245.3 MB in the end (delta: 47.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. [2021-03-11 18:52:55,533 INFO L168 Benchmark]: TraceAbstraction took 147522.74 ms. Allocated memory was 362.8 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 245.3 MB in the beginning and 5.3 GB in the end (delta: -5.1 GB). Peak memory consumption was 2.8 GB. Max. memory is 16.0 GB. [2021-03-11 18:52:55,533 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 362.8 MB. Free memory was 344.0 MB in the beginning and 344.0 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 662.80 ms. Allocated memory is still 362.8 MB. Free memory was 324.7 MB in the beginning and 297.7 MB in the end (delta: 27.0 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 79.96 ms. Allocated memory is still 362.8 MB. Free memory was 297.7 MB in the beginning and 294.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 46.20 ms. Allocated memory is still 362.8 MB. Free memory was 294.5 MB in the beginning and 292.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 693.97 ms. Allocated memory is still 362.8 MB. Free memory was 292.5 MB in the beginning and 245.3 MB in the end (delta: 47.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 147522.74 ms. Allocated memory was 362.8 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 245.3 MB in the beginning and 5.3 GB in the end (delta: -5.1 GB). Peak memory consumption was 2.8 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13382.7ms, 230 PlacesBefore, 60 PlacesAfterwards, 239 TransitionsBefore, 64 TransitionsAfterwards, 15260 CoEnabledTransitionPairs, 7 FixpointIterations, 62 TrivialSequentialCompositions, 120 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 21 ConcurrentYvCompositions, 5 ChoiceCompositions, 212 TotalNumberOfCompositions, 31397 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14551, positive: 14011, positive conditional: 0, positive unconditional: 14011, negative: 540, negative conditional: 0, negative unconditional: 540, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9941, positive: 9778, positive conditional: 0, positive unconditional: 9778, negative: 163, negative conditional: 0, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9941, positive: 9737, positive conditional: 0, positive unconditional: 9737, negative: 204, negative conditional: 0, negative unconditional: 204, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 204, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 163, negative conditional: 0, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 716, positive: 96, positive conditional: 0, positive unconditional: 96, negative: 620, negative conditional: 0, negative unconditional: 620, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 14551, positive: 4233, positive conditional: 0, positive unconditional: 4233, negative: 377, negative conditional: 0, negative unconditional: 377, unknown: 9941, unknown conditional: 0, unknown unconditional: 9941] , Statistics on independence cache: Total cache size (in pairs): 710, Positive cache size: 613, Positive conditional cache size: 0, Positive unconditional cache size: 613, Negative cache size: 97, Negative conditional cache size: 0, Negative unconditional cache size: 97 - CounterExampleResult [Line: 1043]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L947] 0 pthread_mutex_t m; [L949] 0 int stored_elements[(800)]; [L950] 0 _Bool enqueue_flag, dequeue_flag; [L951] 0 QType queue; [L1054] 0 pthread_t id1, id2; [L1055] 0 enqueue_flag=(1) [L1056] 0 dequeue_flag=(0) [L954] 0 q->head=0 [L955] 0 q->tail=0 [L956] 0 q->amount=0 [L960] EXPR 0 q->head [L960] EXPR 0 q->tail [L960] COND TRUE 0 q->head == q->tail [L963] 0 return (-1); [L1058] COND FALSE 0 !(!empty(&queue)==(-1)) [L1062] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, &queue) VAL [dequeue_flag=0, enqueue_flag=1, m={14:0}, queue={5:0}, stored_elements={13:0}] [L1063] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, &queue) VAL [dequeue_flag=0, enqueue_flag=1, m={14:0}, queue={5:0}, stored_elements={13:0}] [L1036] 2 int i; [L1037] 2 i=0 VAL [dequeue_flag=0, enqueue_flag=1, m={14:0}, queue={5:0}, stored_elements={13:0}] [L1037] COND TRUE 2 i<(800) [L1040] COND FALSE 2 !(\read(dequeue_flag)) VAL [dequeue_flag=0, enqueue_flag=1, m={14:0}, queue={5:0}, stored_elements={13:0}] [L1037] 2 i++ VAL [dequeue_flag=0, enqueue_flag=1, m={14:0}, queue={5:0}, stored_elements={13:0}] [L1007] 1 int value, i; [L1009] 1 value = __VERIFIER_nondet_int() [L980] EXPR 1 q->tail VAL [dequeue_flag=0, enqueue_flag=1, m={14:0}, queue={5:0}, stored_elements={13:0}] [L980] 1 q->element[q->tail] = x VAL [dequeue_flag=0, enqueue_flag=1, m={14:0}, queue={5:0}, stored_elements={13:0}] [L981] EXPR 1 q->amount VAL [dequeue_flag=0, enqueue_flag=1, m={14:0}, queue={5:0}, stored_elements={13:0}] [L981] 1 q->amount++ [L982] EXPR 1 q->tail [L982] COND FALSE 1 !(q->tail == (800)) [L988] EXPR 1 q->tail [L988] 1 q->tail++ [L990] 1 return 0; [L1010] COND FALSE 1 !(enqueue(&queue,value)) [L1013] 1 stored_elements[0]=value [L960] EXPR 1 q->head VAL [dequeue_flag=0, enqueue_flag=1, m={14:0}, queue={5:0}, stored_elements={13:0}] [L960] EXPR 1 q->tail VAL [dequeue_flag=0, enqueue_flag=1, m={14:0}, queue={5:0}, stored_elements={13:0}] [L960] COND FALSE 1 !(q->head == q->tail) [L966] 1 return 0; [L1014] COND FALSE 1 !(empty(&queue)) [L1018] 1 i=0 VAL [dequeue_flag=0, enqueue_flag=1, m={14:0}, queue={5:0}, stored_elements={13:0}] [L1018] COND TRUE 1 i<((800)-1) [L1021] COND TRUE 1 \read(enqueue_flag) [L1023] 1 value = __VERIFIER_nondet_int() [L980] EXPR 1 q->tail VAL [dequeue_flag=0, enqueue_flag=1, m={14:0}, queue={5:0}, stored_elements={13:0}] [L980] 1 q->element[q->tail] = x VAL [dequeue_flag=0, enqueue_flag=1, m={14:0}, queue={5:0}, stored_elements={13:0}] [L981] EXPR 1 q->amount [L981] 1 q->amount++ [L982] EXPR 1 q->tail [L982] COND FALSE 1 !(q->tail == (800)) [L988] EXPR 1 q->tail [L988] 1 q->tail++ [L990] 1 return 0; [L1025] 1 stored_elements[i+1]=value VAL [dequeue_flag=0, enqueue_flag=1, m={14:0}, queue={5:0}, stored_elements={13:0}] [L1026] 1 enqueue_flag=(0) VAL [dequeue_flag=0, enqueue_flag=0, m={14:0}, queue={5:0}, stored_elements={13:0}] [L1027] 1 dequeue_flag=(1) VAL [dequeue_flag=1, enqueue_flag=0, m={14:0}, queue={5:0}, stored_elements={13:0}] [L1037] COND TRUE 2 i<(800) [L1040] COND TRUE 2 \read(dequeue_flag) [L994] 2 int x; [L995] EXPR 2 q->head VAL [dequeue_flag=1, enqueue_flag=0, m={14:0}, queue={5:0}, stored_elements={13:0}] [L995] EXPR 2 q->element[q->head] [L995] 2 x = q->element[q->head] [L996] EXPR 2 q->amount [L996] 2 q->amount-- [L997] EXPR 2 q->head [L997] COND FALSE 2 !(q->head == (800)) VAL [dequeue_flag=1, enqueue_flag=0, m={14:0}, queue={5:0}, stored_elements={13:0}] [L1002] EXPR 2 q->head VAL [dequeue_flag=1, enqueue_flag=0, m={14:0}, queue={5:0}, stored_elements={13:0}] [L1002] 2 q->head++ [L1003] 2 return x; [L1042] EXPR 2 stored_elements[i] [L1042] COND TRUE 2 !dequeue(&queue)==stored_elements[i] [L1043] 2 reach_error() VAL [dequeue_flag=1, enqueue_flag=0, m={14:0}, queue={5:0}, stored_elements={13:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 235 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 147216.9ms, OverallIterations: 30, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 114493.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13571.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 975 SDtfs, 3085 SDslu, 3719 SDs, 0 SdLazy, 31140 SolverSat, 1004 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18912.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 855 GetRequests, 67 SyntacticMatches, 42 SemanticMatches, 746 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5812 ImplicationChecksByTransitivity, 31632.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=14456occurred in iteration=29, InterpolantAutomatonStates: 558, 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: 78.3ms SsaConstructionTime, 892.6ms SatisfiabilityAnalysisTime, 17822.5ms InterpolantComputationTime, 881 NumberOfCodeBlocks, 881 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 812 ConstructedInterpolants, 0 QuantifiedInterpolants, 30384 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 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 proved your program to be incorrect! Received shutdown request...