/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-OGIterative-Hitting.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/singleton.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 09:36:27,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 09:36:27,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 09:36:27,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 09:36:27,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 09:36:27,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 09:36:27,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 09:36:27,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 09:36:27,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 09:36:27,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 09:36:27,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 09:36:27,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 09:36:27,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 09:36:27,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 09:36:27,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 09:36:27,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 09:36:27,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 09:36:27,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 09:36:27,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 09:36:27,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 09:36:27,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 09:36:27,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 09:36:27,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 09:36:27,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 09:36:27,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-13 09:36:27,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-13 09:36:27,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-13 09:36:27,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-13 09:36:27,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-13 09:36:27,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-13 09:36:27,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-13 09:36:27,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-13 09:36:27,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-13 09:36:27,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-13 09:36:27,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-13 09:36:27,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-13 09:36:27,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-13 09:36:27,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-13 09:36:27,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 09:36:27,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 09:36:27,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 09:36:27,311 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-OGIterative-Hitting.epf [2021-08-13 09:36:27,338 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 09:36:27,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 09:36:27,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 09:36:27,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 09:36:27,341 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 09:36:27,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 09:36:27,341 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 09:36:27,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 09:36:27,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 09:36:27,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 09:36:27,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 09:36:27,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 09:36:27,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 09:36:27,343 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 09:36:27,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 09:36:27,343 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 09:36:27,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 09:36:27,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 09:36:27,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 09:36:27,343 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 09:36:27,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 09:36:27,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 09:36:27,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 09:36:27,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 09:36:27,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 09:36:27,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 09:36:27,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 09:36:27,345 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 09:36:27,345 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 09:36:27,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 09:36:27,345 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 09:36:27,345 INFO L138 SettingsManager]: * Use hitting sets in computation of OwickiGries annotation=true [2021-08-13 09:36:27,345 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 09:36:27,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 09:36:27,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 09:36:27,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 09:36:27,614 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-13 09:36:27,615 INFO L275 PluginConnector]: CDTParser initialized [2021-08-13 09:36:27,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/singleton.i [2021-08-13 09:36:27,652 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27ea2c2ca/2ee856aaa632474aaa5198b7eb1e0ce0/FLAGa5a2173b5 [2021-08-13 09:36:28,054 INFO L306 CDTParser]: Found 1 translation units. [2021-08-13 09:36:28,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton.i [2021-08-13 09:36:28,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27ea2c2ca/2ee856aaa632474aaa5198b7eb1e0ce0/FLAGa5a2173b5 [2021-08-13 09:36:28,386 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27ea2c2ca/2ee856aaa632474aaa5198b7eb1e0ce0 [2021-08-13 09:36:28,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 09:36:28,389 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-13 09:36:28,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-13 09:36:28,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-13 09:36:28,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-13 09:36:28,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 09:36:28" (1/1) ... [2021-08-13 09:36:28,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790d497c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:36:28, skipping insertion in model container [2021-08-13 09:36:28,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 09:36:28" (1/1) ... [2021-08-13 09:36:28,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-13 09:36:28,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-13 09:36:28,608 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-13 09:36:28,816 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton.i[55547,55560] [2021-08-13 09:36:28,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 09:36:28,845 INFO L203 MainTranslator]: Completed pre-run [2021-08-13 09:36:28,867 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-13 09:36:28,878 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton.i[55547,55560] [2021-08-13 09:36:28,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 09:36:29,014 INFO L208 MainTranslator]: Completed translation [2021-08-13 09:36:29,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:36:29 WrapperNode [2021-08-13 09:36:29,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-13 09:36:29,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 09:36:29,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 09:36:29,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 09:36:29,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:36:29" (1/1) ... [2021-08-13 09:36:29,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:36:29" (1/1) ... [2021-08-13 09:36:29,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 09:36:29,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 09:36:29,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 09:36:29,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 09:36:29,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:36:29" (1/1) ... [2021-08-13 09:36:29,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:36:29" (1/1) ... [2021-08-13 09:36:29,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:36:29" (1/1) ... [2021-08-13 09:36:29,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:36:29" (1/1) ... [2021-08-13 09:36:29,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:36:29" (1/1) ... [2021-08-13 09:36:29,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:36:29" (1/1) ... [2021-08-13 09:36:29,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:36:29" (1/1) ... [2021-08-13 09:36:29,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 09:36:29,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 09:36:29,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 09:36:29,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 09:36:29,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:36:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 09:36:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-13 09:36:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-13 09:36:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-13 09:36:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-13 09:36:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-13 09:36:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2021-08-13 09:36:29,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2021-08-13 09:36:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-13 09:36:29,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-13 09:36:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-13 09:36:29,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-13 09:36:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-13 09:36:29,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-13 09:36:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-13 09:36:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-13 09:36:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-13 09:36:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 09:36:29,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 09:36:29,128 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 09:36:29,406 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 09:36:29,406 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-08-13 09:36:29,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 09:36:29 BoogieIcfgContainer [2021-08-13 09:36:29,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 09:36:29,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 09:36:29,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 09:36:29,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 09:36:29,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 09:36:28" (1/3) ... [2021-08-13 09:36:29,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df3c9aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 09:36:29, skipping insertion in model container [2021-08-13 09:36:29,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:36:29" (2/3) ... [2021-08-13 09:36:29,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df3c9aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 09:36:29, skipping insertion in model container [2021-08-13 09:36:29,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 09:36:29" (3/3) ... [2021-08-13 09:36:29,412 INFO L111 eAbstractionObserver]: Analyzing ICFG singleton.i [2021-08-13 09:36:29,415 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 09:36:29,416 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 09:36:29,416 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 09:36:29,449 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,449 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,449 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,449 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,449 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,449 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,450 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,450 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,450 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,450 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,450 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,450 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,450 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,450 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,451 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,451 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,451 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,451 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,451 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,451 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,451 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,451 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,451 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,452 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,452 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,452 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,452 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,452 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,452 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,452 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,452 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,452 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,453 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,453 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,453 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,453 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,453 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,453 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,453 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,453 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,453 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,454 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,454 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,454 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,454 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,454 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,454 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,454 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,455 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,455 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,455 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,455 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,455 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,455 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,455 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,455 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,455 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,456 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,456 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,456 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,456 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,456 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,456 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,456 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,456 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,456 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,456 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,457 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,457 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,457 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,457 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,457 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,457 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,457 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,457 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,457 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,458 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,458 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,458 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,458 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,458 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,458 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,458 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,458 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,458 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,458 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,459 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,459 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,459 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,459 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,459 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,459 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,459 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,459 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,460 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,460 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,460 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,460 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,460 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,460 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,460 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,460 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,465 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,465 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,465 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,465 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,465 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,465 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,466 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,466 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,466 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,466 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,466 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,466 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,466 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,466 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,466 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,466 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,467 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,467 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,468 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,468 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,468 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,469 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,469 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,469 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,470 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,470 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,470 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,470 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,470 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,470 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,471 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,471 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,471 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,471 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,471 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,471 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,471 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,471 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,472 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,472 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,472 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,472 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,472 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,472 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,472 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,472 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,473 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,473 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,473 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,474 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,474 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,474 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,474 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,474 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,475 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,475 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,475 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,475 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,475 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,475 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,475 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,476 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,476 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,476 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,476 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,476 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,476 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,476 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,476 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,476 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,476 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,476 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,477 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,477 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,477 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,477 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,477 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,477 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,477 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,478 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,478 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,478 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,478 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,478 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,478 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,478 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,478 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,478 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,479 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,479 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,479 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,479 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,479 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,480 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,480 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,480 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,480 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,480 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,480 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,480 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,481 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,481 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,481 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,481 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,481 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,481 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,481 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,481 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,482 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,482 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,482 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,482 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,482 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,482 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,482 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,483 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,483 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,485 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,485 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,486 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,486 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,489 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,489 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,490 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,490 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,490 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,490 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,490 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,492 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,492 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,492 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,492 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,496 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,496 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,496 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,496 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,498 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,498 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,498 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,498 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,500 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,505 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,505 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,505 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,505 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,505 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,507 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,507 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,507 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,508 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,508 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,508 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,508 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,508 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,508 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,508 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,508 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,509 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,509 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,509 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,509 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,509 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,509 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,509 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,509 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,509 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,509 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,509 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,509 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,509 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,510 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,510 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,510 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,510 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,510 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,511 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,511 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,512 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,512 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,513 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,513 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,513 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,513 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,513 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,513 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,516 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,516 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,516 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,516 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,518 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,518 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,518 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,518 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,523 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,523 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,523 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,523 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,524 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,524 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,524 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,524 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:36:29,659 INFO L149 ThreadInstanceAdder]: Constructed 121 joinOtherThreadTransitions. [2021-08-13 09:36:29,675 INFO L255 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-08-13 09:36:29,696 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 09:36:29,696 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 09:36:29,696 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 09:36:29,697 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 09:36:29,697 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 09:36:29,697 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 09:36:29,697 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 09:36:29,697 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 09:36:29,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 197 places, 278 transitions, 936 flow [2021-08-13 09:36:29,813 INFO L129 PetriNetUnfolder]: 61/292 cut-off events. [2021-08-13 09:36:29,813 INFO L130 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2021-08-13 09:36:29,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 292 events. 61/292 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 735 event pairs, 0 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 346. Up to 24 conditions per place. [2021-08-13 09:36:29,825 INFO L82 GeneralOperation]: Start removeDead. Operand has 197 places, 278 transitions, 936 flow [2021-08-13 09:36:29,830 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 137 places, 158 transitions, 469 flow [2021-08-13 09:36:29,837 INFO L129 PetriNetUnfolder]: 2/54 cut-off events. [2021-08-13 09:36:29,837 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-08-13 09:36:29,837 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:36:29,838 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:36:29,838 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-13 09:36:29,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:36:29,841 INFO L82 PathProgramCache]: Analyzing trace with hash -2110777191, now seen corresponding path program 1 times [2021-08-13 09:36:29,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:36:29,847 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158438738] [2021-08-13 09:36:29,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:36:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:36:30,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:30,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:36:30,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:30,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 09:36:30,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:30,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 09:36:30,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:30,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 09:36:30,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:30,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 09:36:30,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:30,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 09:36:30,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:30,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 09:36:30,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:30,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 09:36:30,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:30,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 09:36:30,176 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-13 09:36:30,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-13 09:36:30,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:30,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:36:30,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:36:30,246 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:36:30,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158438738] [2021-08-13 09:36:30,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158438738] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:36:30,247 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:36:30,247 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-13 09:36:30,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506462255] [2021-08-13 09:36:30,252 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-13 09:36:30,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:36:30,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-13 09:36:30,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-08-13 09:36:30,266 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 289 [2021-08-13 09:36:30,270 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 158 transitions, 469 flow. Second operand has 11 states, 11 states have (on average 182.36363636363637) internal successors, (2006), 11 states have internal predecessors, (2006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:30,270 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:36:30,270 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 289 [2021-08-13 09:36:30,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:36:31,681 INFO L129 PetriNetUnfolder]: 4183/8182 cut-off events. [2021-08-13 09:36:31,682 INFO L130 PetriNetUnfolder]: For 1700/1710 co-relation queries the response was YES. [2021-08-13 09:36:31,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15259 conditions, 8182 events. 4183/8182 cut-off events. For 1700/1710 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 62046 event pairs, 1832 based on Foata normal form. 144/7183 useless extension candidates. Maximal degree in co-relation 15197. Up to 2927 conditions per place. [2021-08-13 09:36:31,752 INFO L132 encePairwiseOnDemand]: 270/289 looper letters, 132 selfloop transitions, 25 changer transitions 10/255 dead transitions. [2021-08-13 09:36:31,752 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 255 transitions, 1036 flow [2021-08-13 09:36:31,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-13 09:36:31,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-08-13 09:36:31,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3775 transitions. [2021-08-13 09:36:31,769 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.653114186851211 [2021-08-13 09:36:31,770 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 3775 transitions. [2021-08-13 09:36:31,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 3775 transitions. [2021-08-13 09:36:31,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:36:31,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 3775 transitions. [2021-08-13 09:36:31,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 188.75) internal successors, (3775), 20 states have internal predecessors, (3775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:31,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 289.0) internal successors, (6069), 21 states have internal predecessors, (6069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:31,795 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 289.0) internal successors, (6069), 21 states have internal predecessors, (6069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:31,795 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 18 predicate places. [2021-08-13 09:36:31,795 INFO L482 AbstractCegarLoop]: Abstraction has has 155 places, 255 transitions, 1036 flow [2021-08-13 09:36:31,796 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 182.36363636363637) internal successors, (2006), 11 states have internal predecessors, (2006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:31,796 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:36:31,797 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:36:31,797 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 09:36:31,797 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-13 09:36:31,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:36:31,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1368208230, now seen corresponding path program 1 times [2021-08-13 09:36:31,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:36:31,798 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259037462] [2021-08-13 09:36:31,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:36:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:36:31,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:31,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:36:31,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:31,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:36:31,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:31,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 09:36:31,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:31,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 09:36:31,937 INFO L142 QuantifierPusher]: treesize reduction 15, result has 73.2 percent of original size [2021-08-13 09:36:31,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-13 09:36:31,973 INFO L142 QuantifierPusher]: treesize reduction 30, result has 84.8 percent of original size [2021-08-13 09:36:31,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-08-13 09:36:32,033 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-13 09:36:32,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-08-13 09:36:32,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:32,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:36:32,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:36:32,110 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:36:32,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259037462] [2021-08-13 09:36:32,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259037462] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:36:32,110 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:36:32,110 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-13 09:36:32,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306487400] [2021-08-13 09:36:32,111 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-13 09:36:32,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:36:32,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-13 09:36:32,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-08-13 09:36:32,114 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 289 [2021-08-13 09:36:32,115 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 255 transitions, 1036 flow. Second operand has 8 states, 8 states have (on average 202.125) internal successors, (1617), 8 states have internal predecessors, (1617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:32,115 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:36:32,115 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 289 [2021-08-13 09:36:32,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:36:33,222 INFO L129 PetriNetUnfolder]: 5226/9904 cut-off events. [2021-08-13 09:36:33,223 INFO L130 PetriNetUnfolder]: For 3892/4404 co-relation queries the response was YES. [2021-08-13 09:36:33,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24893 conditions, 9904 events. 5226/9904 cut-off events. For 3892/4404 co-relation queries the response was YES. Maximal size of possible extension queue 389. Compared 75110 event pairs, 2147 based on Foata normal form. 7/8408 useless extension candidates. Maximal degree in co-relation 24808. Up to 5016 conditions per place. [2021-08-13 09:36:33,308 INFO L132 encePairwiseOnDemand]: 277/289 looper letters, 150 selfloop transitions, 18 changer transitions 10/295 dead transitions. [2021-08-13 09:36:33,308 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 295 transitions, 1588 flow [2021-08-13 09:36:33,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-13 09:36:33,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-08-13 09:36:33,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2300 transitions. [2021-08-13 09:36:33,313 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7234979553318653 [2021-08-13 09:36:33,313 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2300 transitions. [2021-08-13 09:36:33,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2300 transitions. [2021-08-13 09:36:33,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:36:33,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2300 transitions. [2021-08-13 09:36:33,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 209.0909090909091) internal successors, (2300), 11 states have internal predecessors, (2300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:33,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 289.0) internal successors, (3468), 12 states have internal predecessors, (3468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:33,321 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 289.0) internal successors, (3468), 12 states have internal predecessors, (3468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:33,322 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 28 predicate places. [2021-08-13 09:36:33,322 INFO L482 AbstractCegarLoop]: Abstraction has has 165 places, 295 transitions, 1588 flow [2021-08-13 09:36:33,322 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 202.125) internal successors, (1617), 8 states have internal predecessors, (1617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:33,322 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:36:33,323 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:36:33,323 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 09:36:33,323 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-13 09:36:33,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:36:33,325 INFO L82 PathProgramCache]: Analyzing trace with hash 70529286, now seen corresponding path program 2 times [2021-08-13 09:36:33,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:36:33,326 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286741736] [2021-08-13 09:36:33,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:36:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:36:33,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:33,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:36:33,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:33,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 09:36:33,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:33,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 09:36:33,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:33,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 09:36:33,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:33,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 09:36:33,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:33,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 09:36:33,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:33,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 09:36:33,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:33,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 09:36:33,454 INFO L142 QuantifierPusher]: treesize reduction 17, result has 91.3 percent of original size [2021-08-13 09:36:33,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-08-13 09:36:33,500 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-13 09:36:33,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-13 09:36:33,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:33,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:36:33,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:36:33,546 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:36:33,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286741736] [2021-08-13 09:36:33,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286741736] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:36:33,547 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:36:33,547 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-13 09:36:33,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372737404] [2021-08-13 09:36:33,547 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-13 09:36:33,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:36:33,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-13 09:36:33,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-08-13 09:36:33,550 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 289 [2021-08-13 09:36:33,551 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 295 transitions, 1588 flow. Second operand has 11 states, 11 states have (on average 182.36363636363637) internal successors, (2006), 11 states have internal predecessors, (2006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:33,551 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:36:33,551 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 289 [2021-08-13 09:36:33,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:36:35,078 INFO L129 PetriNetUnfolder]: 6253/11647 cut-off events. [2021-08-13 09:36:35,078 INFO L130 PetriNetUnfolder]: For 8000/9235 co-relation queries the response was YES. [2021-08-13 09:36:35,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36782 conditions, 11647 events. 6253/11647 cut-off events. For 8000/9235 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 89711 event pairs, 2741 based on Foata normal form. 15/9800 useless extension candidates. Maximal degree in co-relation 36667. Up to 6127 conditions per place. [2021-08-13 09:36:35,162 INFO L132 encePairwiseOnDemand]: 273/289 looper letters, 204 selfloop transitions, 30 changer transitions 2/324 dead transitions. [2021-08-13 09:36:35,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 324 transitions, 2242 flow [2021-08-13 09:36:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-13 09:36:35,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-13 09:36:35,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 3216 transitions. [2021-08-13 09:36:35,168 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6545898636271117 [2021-08-13 09:36:35,168 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 3216 transitions. [2021-08-13 09:36:35,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 3216 transitions. [2021-08-13 09:36:35,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:36:35,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 3216 transitions. [2021-08-13 09:36:35,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 189.1764705882353) internal successors, (3216), 17 states have internal predecessors, (3216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:35,177 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 289.0) internal successors, (5202), 18 states have internal predecessors, (5202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:35,178 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 289.0) internal successors, (5202), 18 states have internal predecessors, (5202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:35,178 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 42 predicate places. [2021-08-13 09:36:35,178 INFO L482 AbstractCegarLoop]: Abstraction has has 179 places, 324 transitions, 2242 flow [2021-08-13 09:36:35,179 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 182.36363636363637) internal successors, (2006), 11 states have internal predecessors, (2006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:35,179 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:36:35,179 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:36:35,179 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 09:36:35,179 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-13 09:36:35,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:36:35,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1769836984, now seen corresponding path program 1 times [2021-08-13 09:36:35,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:36:35,180 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209562124] [2021-08-13 09:36:35,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:36:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:36:35,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:35,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:36:35,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:35,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:36:35,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:35,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:36:35,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:35,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 09:36:35,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:35,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 09:36:35,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:35,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:36:35,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:36:35,226 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:36:35,226 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209562124] [2021-08-13 09:36:35,226 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209562124] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:36:35,226 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:36:35,226 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 09:36:35,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715075336] [2021-08-13 09:36:35,227 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 09:36:35,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:36:35,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 09:36:35,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 09:36:35,228 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 289 [2021-08-13 09:36:35,229 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 324 transitions, 2242 flow. Second operand has 6 states, 6 states have (on average 253.66666666666666) internal successors, (1522), 6 states have internal predecessors, (1522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:35,229 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:36:35,229 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 289 [2021-08-13 09:36:35,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:36:38,024 INFO L129 PetriNetUnfolder]: 16459/30197 cut-off events. [2021-08-13 09:36:38,024 INFO L130 PetriNetUnfolder]: For 41213/48042 co-relation queries the response was YES. [2021-08-13 09:36:38,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104274 conditions, 30197 events. 16459/30197 cut-off events. For 41213/48042 co-relation queries the response was YES. Maximal size of possible extension queue 1317. Compared 272696 event pairs, 2698 based on Foata normal form. 7/25645 useless extension candidates. Maximal degree in co-relation 104084. Up to 15815 conditions per place. [2021-08-13 09:36:38,244 INFO L132 encePairwiseOnDemand]: 276/289 looper letters, 176 selfloop transitions, 84 changer transitions 27/522 dead transitions. [2021-08-13 09:36:38,244 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 522 transitions, 4302 flow [2021-08-13 09:36:38,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 09:36:38,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 09:36:38,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3426 transitions. [2021-08-13 09:36:38,250 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9118977907905244 [2021-08-13 09:36:38,250 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3426 transitions. [2021-08-13 09:36:38,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3426 transitions. [2021-08-13 09:36:38,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:36:38,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3426 transitions. [2021-08-13 09:36:38,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 263.53846153846155) internal successors, (3426), 13 states have internal predecessors, (3426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:38,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 289.0) internal successors, (4046), 14 states have internal predecessors, (4046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:38,261 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 289.0) internal successors, (4046), 14 states have internal predecessors, (4046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:38,261 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 54 predicate places. [2021-08-13 09:36:38,261 INFO L482 AbstractCegarLoop]: Abstraction has has 191 places, 522 transitions, 4302 flow [2021-08-13 09:36:38,261 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 253.66666666666666) internal successors, (1522), 6 states have internal predecessors, (1522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:38,261 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:36:38,262 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:36:38,262 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-13 09:36:38,262 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-13 09:36:38,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:36:38,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1265870947, now seen corresponding path program 1 times [2021-08-13 09:36:38,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:36:38,263 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916172044] [2021-08-13 09:36:38,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:36:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:36:38,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:38,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:36:38,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:38,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:36:38,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:38,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 09:36:38,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:38,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 09:36:38,356 INFO L142 QuantifierPusher]: treesize reduction 15, result has 73.2 percent of original size [2021-08-13 09:36:38,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-13 09:36:38,374 INFO L142 QuantifierPusher]: treesize reduction 15, result has 73.2 percent of original size [2021-08-13 09:36:38,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-13 09:36:38,395 INFO L142 QuantifierPusher]: treesize reduction 30, result has 84.8 percent of original size [2021-08-13 09:36:38,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-08-13 09:36:38,438 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-13 09:36:38,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-08-13 09:36:38,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:38,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:36:38,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:36:38,483 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:36:38,483 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916172044] [2021-08-13 09:36:38,483 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916172044] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:36:38,483 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:36:38,483 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-08-13 09:36:38,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633898437] [2021-08-13 09:36:38,483 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-13 09:36:38,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:36:38,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-13 09:36:38,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-13 09:36:38,485 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 289 [2021-08-13 09:36:38,486 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 522 transitions, 4302 flow. Second operand has 9 states, 9 states have (on average 201.88888888888889) internal successors, (1817), 9 states have internal predecessors, (1817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:38,486 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:36:38,486 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 289 [2021-08-13 09:36:38,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:36:42,298 INFO L129 PetriNetUnfolder]: 19406/35224 cut-off events. [2021-08-13 09:36:42,298 INFO L130 PetriNetUnfolder]: For 81985/92617 co-relation queries the response was YES. [2021-08-13 09:36:42,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 142743 conditions, 35224 events. 19406/35224 cut-off events. For 81985/92617 co-relation queries the response was YES. Maximal size of possible extension queue 1489. Compared 319312 event pairs, 3003 based on Foata normal form. 190/29935 useless extension candidates. Maximal degree in co-relation 142500. Up to 18653 conditions per place. [2021-08-13 09:36:42,542 INFO L132 encePairwiseOnDemand]: 276/289 looper letters, 378 selfloop transitions, 23 changer transitions 27/574 dead transitions. [2021-08-13 09:36:42,542 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 574 transitions, 5610 flow [2021-08-13 09:36:42,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-13 09:36:42,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-08-13 09:36:42,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2496 transitions. [2021-08-13 09:36:42,546 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7197231833910035 [2021-08-13 09:36:42,546 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2496 transitions. [2021-08-13 09:36:42,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2496 transitions. [2021-08-13 09:36:42,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:36:42,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2496 transitions. [2021-08-13 09:36:42,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 208.0) internal successors, (2496), 12 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:42,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 289.0) internal successors, (3757), 13 states have internal predecessors, (3757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:42,565 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 289.0) internal successors, (3757), 13 states have internal predecessors, (3757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:42,565 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 65 predicate places. [2021-08-13 09:36:42,565 INFO L482 AbstractCegarLoop]: Abstraction has has 202 places, 574 transitions, 5610 flow [2021-08-13 09:36:42,565 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 201.88888888888889) internal successors, (1817), 9 states have internal predecessors, (1817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:42,565 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:36:42,566 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:36:42,566 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-13 09:36:42,566 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-13 09:36:42,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:36:42,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1399842185, now seen corresponding path program 2 times [2021-08-13 09:36:42,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:36:42,567 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976924053] [2021-08-13 09:36:42,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:36:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:36:42,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:42,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:36:42,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:42,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 09:36:42,605 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-08-13 09:36:42,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 09:36:42,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:42,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 09:36:42,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:42,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 09:36:42,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:42,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 09:36:42,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:42,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 09:36:42,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:42,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:36:42,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:42,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 09:36:42,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:42,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 09:36:42,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:42,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:36:42,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:36:42,649 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:36:42,649 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976924053] [2021-08-13 09:36:42,649 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976924053] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:36:42,649 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:36:42,649 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-08-13 09:36:42,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241477974] [2021-08-13 09:36:42,650 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-13 09:36:42,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:36:42,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-13 09:36:42,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-08-13 09:36:42,655 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 289 [2021-08-13 09:36:42,656 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 574 transitions, 5610 flow. Second operand has 10 states, 10 states have (on average 239.9) internal successors, (2399), 10 states have internal predecessors, (2399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:42,656 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:36:42,656 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 289 [2021-08-13 09:36:42,656 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:36:47,425 INFO L129 PetriNetUnfolder]: 20628/38094 cut-off events. [2021-08-13 09:36:47,425 INFO L130 PetriNetUnfolder]: For 112970/131965 co-relation queries the response was YES. [2021-08-13 09:36:47,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169247 conditions, 38094 events. 20628/38094 cut-off events. For 112970/131965 co-relation queries the response was YES. Maximal size of possible extension queue 1605. Compared 355643 event pairs, 2985 based on Foata normal form. 1348/33756 useless extension candidates. Maximal degree in co-relation 168980. Up to 19861 conditions per place. [2021-08-13 09:36:47,747 INFO L132 encePairwiseOnDemand]: 273/289 looper letters, 245 selfloop transitions, 116 changer transitions 169/762 dead transitions. [2021-08-13 09:36:47,747 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 762 transitions, 8648 flow [2021-08-13 09:36:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 09:36:47,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 09:36:47,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 5412 transitions. [2021-08-13 09:36:47,756 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8512110726643599 [2021-08-13 09:36:47,756 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 5412 transitions. [2021-08-13 09:36:47,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 5412 transitions. [2021-08-13 09:36:47,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:36:47,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 5412 transitions. [2021-08-13 09:36:47,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 246.0) internal successors, (5412), 22 states have internal predecessors, (5412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:47,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 289.0) internal successors, (6647), 23 states have internal predecessors, (6647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:47,772 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 289.0) internal successors, (6647), 23 states have internal predecessors, (6647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:47,772 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 86 predicate places. [2021-08-13 09:36:47,772 INFO L482 AbstractCegarLoop]: Abstraction has has 223 places, 762 transitions, 8648 flow [2021-08-13 09:36:47,773 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 239.9) internal successors, (2399), 10 states have internal predecessors, (2399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:47,773 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:36:47,773 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:36:47,773 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-13 09:36:47,773 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-13 09:36:47,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:36:47,773 INFO L82 PathProgramCache]: Analyzing trace with hash 490295871, now seen corresponding path program 1 times [2021-08-13 09:36:47,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:36:47,773 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415332728] [2021-08-13 09:36:47,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:36:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:36:47,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:47,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:36:47,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:47,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:36:47,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:47,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 09:36:47,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:47,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 09:36:47,848 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-08-13 09:36:47,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-08-13 09:36:47,869 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-08-13 09:36:47,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-08-13 09:36:47,896 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-08-13 09:36:47,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-08-13 09:36:47,925 INFO L142 QuantifierPusher]: treesize reduction 17, result has 91.3 percent of original size [2021-08-13 09:36:47,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-08-13 09:36:47,973 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-13 09:36:47,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-13 09:36:48,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:48,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:36:48,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:36:48,023 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:36:48,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415332728] [2021-08-13 09:36:48,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415332728] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:36:48,024 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:36:48,024 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-08-13 09:36:48,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713899967] [2021-08-13 09:36:48,024 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-13 09:36:48,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:36:48,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-13 09:36:48,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-08-13 09:36:48,026 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 289 [2021-08-13 09:36:48,027 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 762 transitions, 8648 flow. Second operand has 10 states, 10 states have (on average 201.5) internal successors, (2015), 10 states have internal predecessors, (2015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:48,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:36:48,027 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 289 [2021-08-13 09:36:48,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:36:53,068 INFO L129 PetriNetUnfolder]: 21729/39516 cut-off events. [2021-08-13 09:36:53,068 INFO L130 PetriNetUnfolder]: For 169618/182884 co-relation queries the response was YES. [2021-08-13 09:36:53,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197890 conditions, 39516 events. 21729/39516 cut-off events. For 169618/182884 co-relation queries the response was YES. Maximal size of possible extension queue 1595. Compared 362373 event pairs, 3364 based on Foata normal form. 272/33862 useless extension candidates. Maximal degree in co-relation 197588. Up to 21282 conditions per place. [2021-08-13 09:36:53,332 INFO L132 encePairwiseOnDemand]: 275/289 looper letters, 412 selfloop transitions, 26 changer transitions 179/782 dead transitions. [2021-08-13 09:36:53,332 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 782 transitions, 10021 flow [2021-08-13 09:36:53,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 09:36:53,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 09:36:53,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2697 transitions. [2021-08-13 09:36:53,337 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7178599946766037 [2021-08-13 09:36:53,337 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2697 transitions. [2021-08-13 09:36:53,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2697 transitions. [2021-08-13 09:36:53,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:36:53,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2697 transitions. [2021-08-13 09:36:53,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 207.46153846153845) internal successors, (2697), 13 states have internal predecessors, (2697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:53,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 289.0) internal successors, (4046), 14 states have internal predecessors, (4046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:53,345 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 289.0) internal successors, (4046), 14 states have internal predecessors, (4046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:53,345 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 98 predicate places. [2021-08-13 09:36:53,345 INFO L482 AbstractCegarLoop]: Abstraction has has 235 places, 782 transitions, 10021 flow [2021-08-13 09:36:53,345 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 201.5) internal successors, (2015), 10 states have internal predecessors, (2015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:53,346 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:36:53,346 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:36:53,346 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-13 09:36:53,346 INFO L430 AbstractCegarLoop]: === Iteration 8 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-13 09:36:53,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:36:53,346 INFO L82 PathProgramCache]: Analyzing trace with hash -360035702, now seen corresponding path program 1 times [2021-08-13 09:36:53,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:36:53,346 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993927044] [2021-08-13 09:36:53,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:36:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:36:53,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:53,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:36:53,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:53,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 09:36:53,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:53,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 09:36:53,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:53,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 09:36:53,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:53,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 09:36:53,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:53,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 09:36:53,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:53,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 09:36:53,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:53,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 09:36:53,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:53,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 09:36:53,444 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-08-13 09:36:53,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-08-13 09:36:53,469 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-08-13 09:36:53,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-08-13 09:36:53,498 INFO L142 QuantifierPusher]: treesize reduction 17, result has 91.3 percent of original size [2021-08-13 09:36:53,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-08-13 09:36:53,551 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-13 09:36:53,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-13 09:36:53,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:53,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:36:53,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:36:53,598 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:36:53,598 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993927044] [2021-08-13 09:36:53,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993927044] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:36:53,598 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:36:53,598 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-13 09:36:53,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806987413] [2021-08-13 09:36:53,600 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-13 09:36:53,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:36:53,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-13 09:36:53,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-08-13 09:36:53,602 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 289 [2021-08-13 09:36:53,603 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 782 transitions, 10021 flow. Second operand has 12 states, 12 states have (on average 180.0) internal successors, (2160), 12 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:53,603 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:36:53,603 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 289 [2021-08-13 09:36:53,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:36:59,468 INFO L129 PetriNetUnfolder]: 23206/41365 cut-off events. [2021-08-13 09:36:59,469 INFO L130 PetriNetUnfolder]: For 237453/256439 co-relation queries the response was YES. [2021-08-13 09:36:59,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 236977 conditions, 41365 events. 23206/41365 cut-off events. For 237453/256439 co-relation queries the response was YES. Maximal size of possible extension queue 1682. Compared 372880 event pairs, 3141 based on Foata normal form. 400/35332 useless extension candidates. Maximal degree in co-relation 236607. Up to 23058 conditions per place. [2021-08-13 09:36:59,808 INFO L132 encePairwiseOnDemand]: 271/289 looper letters, 543 selfloop transitions, 49 changer transitions 183/896 dead transitions. [2021-08-13 09:36:59,809 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 896 transitions, 12933 flow [2021-08-13 09:36:59,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-13 09:36:59,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-13 09:36:59,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 3197 transitions. [2021-08-13 09:36:59,813 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6507225727661307 [2021-08-13 09:36:59,813 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 3197 transitions. [2021-08-13 09:36:59,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 3197 transitions. [2021-08-13 09:36:59,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:36:59,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 3197 transitions. [2021-08-13 09:36:59,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 188.05882352941177) internal successors, (3197), 17 states have internal predecessors, (3197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:59,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 289.0) internal successors, (5202), 18 states have internal predecessors, (5202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:59,822 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 289.0) internal successors, (5202), 18 states have internal predecessors, (5202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:59,822 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 114 predicate places. [2021-08-13 09:36:59,822 INFO L482 AbstractCegarLoop]: Abstraction has has 251 places, 896 transitions, 12933 flow [2021-08-13 09:36:59,823 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 180.0) internal successors, (2160), 12 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:36:59,823 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:36:59,823 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:36:59,823 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-13 09:36:59,823 INFO L430 AbstractCegarLoop]: === Iteration 9 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-13 09:36:59,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:36:59,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1489271016, now seen corresponding path program 2 times [2021-08-13 09:36:59,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:36:59,824 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465680321] [2021-08-13 09:36:59,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:36:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:36:59,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:59,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:36:59,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:59,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 09:36:59,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:59,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 09:36:59,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:59,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 09:36:59,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:59,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 09:36:59,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:59,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 09:36:59,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:59,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 09:36:59,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:59,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 09:36:59,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:59,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 09:36:59,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:59,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 09:36:59,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:59,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 09:36:59,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:59,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 09:36:59,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:59,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 09:36:59,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:36:59,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 09:36:59,980 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-08-13 09:36:59,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-08-13 09:37:00,014 INFO L142 QuantifierPusher]: treesize reduction 17, result has 91.3 percent of original size [2021-08-13 09:37:00,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-08-13 09:37:00,069 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-13 09:37:00,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-13 09:37:00,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:00,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:37:00,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:37:00,118 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:37:00,118 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465680321] [2021-08-13 09:37:00,118 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465680321] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:37:00,119 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:37:00,119 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-13 09:37:00,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72635515] [2021-08-13 09:37:00,119 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-13 09:37:00,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:37:00,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-13 09:37:00,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-08-13 09:37:00,122 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 289 [2021-08-13 09:37:00,123 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 896 transitions, 12933 flow. Second operand has 15 states, 15 states have (on average 176.53333333333333) internal successors, (2648), 15 states have internal predecessors, (2648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:00,124 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:37:00,124 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 289 [2021-08-13 09:37:00,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:37:00,386 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-08-13 09:37:07,210 INFO L129 PetriNetUnfolder]: 24915/44954 cut-off events. [2021-08-13 09:37:07,211 INFO L130 PetriNetUnfolder]: For 313077/334126 co-relation queries the response was YES. [2021-08-13 09:37:07,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 281228 conditions, 44954 events. 24915/44954 cut-off events. For 313077/334126 co-relation queries the response was YES. Maximal size of possible extension queue 1831. Compared 414803 event pairs, 2895 based on Foata normal form. 387/38337 useless extension candidates. Maximal degree in co-relation 280782. Up to 24872 conditions per place. [2021-08-13 09:37:07,542 INFO L132 encePairwiseOnDemand]: 269/289 looper letters, 642 selfloop transitions, 74 changer transitions 184/1016 dead transitions. [2021-08-13 09:37:07,542 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 1016 transitions, 16434 flow [2021-08-13 09:37:07,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 09:37:07,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 09:37:07,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3855 transitions. [2021-08-13 09:37:07,545 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6351952545724172 [2021-08-13 09:37:07,545 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3855 transitions. [2021-08-13 09:37:07,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3855 transitions. [2021-08-13 09:37:07,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:37:07,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3855 transitions. [2021-08-13 09:37:07,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 183.57142857142858) internal successors, (3855), 21 states have internal predecessors, (3855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:07,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 289.0) internal successors, (6358), 22 states have internal predecessors, (6358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:07,555 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 289.0) internal successors, (6358), 22 states have internal predecessors, (6358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:07,555 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 134 predicate places. [2021-08-13 09:37:07,555 INFO L482 AbstractCegarLoop]: Abstraction has has 271 places, 1016 transitions, 16434 flow [2021-08-13 09:37:07,556 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 176.53333333333333) internal successors, (2648), 15 states have internal predecessors, (2648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:07,556 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:37:07,556 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:37:07,556 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-13 09:37:07,556 INFO L430 AbstractCegarLoop]: === Iteration 10 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-13 09:37:07,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:37:07,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1183362054, now seen corresponding path program 3 times [2021-08-13 09:37:07,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:37:07,556 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257493207] [2021-08-13 09:37:07,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:37:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:37:07,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:07,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:37:07,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:07,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 09:37:07,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:07,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 09:37:07,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:07,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 09:37:07,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:07,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 09:37:07,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:07,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 09:37:07,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:07,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 09:37:07,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:07,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 09:37:07,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:07,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 09:37:07,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:07,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 09:37:07,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:07,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 09:37:07,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:07,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 09:37:07,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:07,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 09:37:07,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:07,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 09:37:07,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:07,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 09:37:07,717 INFO L142 QuantifierPusher]: treesize reduction 17, result has 91.3 percent of original size [2021-08-13 09:37:07,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-08-13 09:37:07,761 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-13 09:37:07,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-13 09:37:07,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:07,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:37:07,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:37:07,806 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:37:07,806 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257493207] [2021-08-13 09:37:07,806 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257493207] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:37:07,806 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:37:07,806 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-13 09:37:07,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848997928] [2021-08-13 09:37:07,806 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-13 09:37:07,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:37:07,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-13 09:37:07,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-08-13 09:37:07,808 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 289 [2021-08-13 09:37:07,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 1016 transitions, 16434 flow. Second operand has 15 states, 15 states have (on average 176.53333333333333) internal successors, (2648), 15 states have internal predecessors, (2648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:07,810 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:37:07,810 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 289 [2021-08-13 09:37:07,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:37:15,865 INFO L129 PetriNetUnfolder]: 26778/47692 cut-off events. [2021-08-13 09:37:15,865 INFO L130 PetriNetUnfolder]: For 401950/428211 co-relation queries the response was YES. [2021-08-13 09:37:16,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 330742 conditions, 47692 events. 26778/47692 cut-off events. For 401950/428211 co-relation queries the response was YES. Maximal size of possible extension queue 1951. Compared 436795 event pairs, 3204 based on Foata normal form. 280/40351 useless extension candidates. Maximal degree in co-relation 330212. Up to 26910 conditions per place. [2021-08-13 09:37:16,240 INFO L132 encePairwiseOnDemand]: 268/289 looper letters, 712 selfloop transitions, 86 changer transitions 185/1099 dead transitions. [2021-08-13 09:37:16,241 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 1099 transitions, 19782 flow [2021-08-13 09:37:16,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 09:37:16,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 09:37:16,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3849 transitions. [2021-08-13 09:37:16,256 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.634206623826001 [2021-08-13 09:37:16,256 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3849 transitions. [2021-08-13 09:37:16,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3849 transitions. [2021-08-13 09:37:16,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:37:16,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3849 transitions. [2021-08-13 09:37:16,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 183.28571428571428) internal successors, (3849), 21 states have internal predecessors, (3849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:16,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 289.0) internal successors, (6358), 22 states have internal predecessors, (6358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:16,265 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 289.0) internal successors, (6358), 22 states have internal predecessors, (6358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:16,265 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 154 predicate places. [2021-08-13 09:37:16,265 INFO L482 AbstractCegarLoop]: Abstraction has has 291 places, 1099 transitions, 19782 flow [2021-08-13 09:37:16,265 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 176.53333333333333) internal successors, (2648), 15 states have internal predecessors, (2648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:16,265 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:37:16,266 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:37:16,266 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-13 09:37:16,266 INFO L430 AbstractCegarLoop]: === Iteration 11 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-13 09:37:16,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:37:16,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1607649793, now seen corresponding path program 2 times [2021-08-13 09:37:16,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:37:16,266 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054194996] [2021-08-13 09:37:16,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:37:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:37:16,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:16,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:37:16,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:16,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 09:37:16,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:16,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 09:37:16,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:16,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 09:37:16,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:16,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 09:37:16,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:16,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 09:37:16,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:16,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 09:37:16,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:16,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 09:37:16,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:16,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-13 09:37:16,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:16,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-13 09:37:16,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:16,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 09:37:16,421 INFO L142 QuantifierPusher]: treesize reduction 14, result has 71.4 percent of original size [2021-08-13 09:37:16,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 09:37:16,439 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.9 percent of original size [2021-08-13 09:37:16,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 09:37:16,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:16,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 09:37:16,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:16,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 09:37:16,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:16,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 09:37:16,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:16,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 09:37:16,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:16,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 09:37:16,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:16,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 09:37:16,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:16,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 09:37:16,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:16,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 09:37:16,711 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-13 09:37:16,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-13 09:37:16,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:16,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:37:16,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:37:16,765 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:37:16,765 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054194996] [2021-08-13 09:37:16,765 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054194996] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:37:16,765 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:37:16,765 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-08-13 09:37:16,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446101356] [2021-08-13 09:37:16,765 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-13 09:37:16,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:37:16,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-13 09:37:16,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-08-13 09:37:16,767 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 289 [2021-08-13 09:37:16,769 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 1099 transitions, 19782 flow. Second operand has 20 states, 20 states have (on average 172.05) internal successors, (3441), 20 states have internal predecessors, (3441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:16,769 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:37:16,769 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 289 [2021-08-13 09:37:16,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:37:26,994 INFO L129 PetriNetUnfolder]: 28479/50489 cut-off events. [2021-08-13 09:37:26,994 INFO L130 PetriNetUnfolder]: For 503950/534811 co-relation queries the response was YES. [2021-08-13 09:37:27,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 382942 conditions, 50489 events. 28479/50489 cut-off events. For 503950/534811 co-relation queries the response was YES. Maximal size of possible extension queue 2046. Compared 463563 event pairs, 2762 based on Foata normal form. 343/42644 useless extension candidates. Maximal degree in co-relation 382318. Up to 28797 conditions per place. [2021-08-13 09:37:27,479 INFO L132 encePairwiseOnDemand]: 265/289 looper letters, 845 selfloop transitions, 148 changer transitions 215/1320 dead transitions. [2021-08-13 09:37:27,479 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 1320 transitions, 26496 flow [2021-08-13 09:37:27,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-13 09:37:27,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-08-13 09:37:27,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 5357 transitions. [2021-08-13 09:37:27,483 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6178777393310265 [2021-08-13 09:37:27,484 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 5357 transitions. [2021-08-13 09:37:27,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 5357 transitions. [2021-08-13 09:37:27,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:37:27,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 5357 transitions. [2021-08-13 09:37:27,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 178.56666666666666) internal successors, (5357), 30 states have internal predecessors, (5357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:27,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 289.0) internal successors, (8959), 31 states have internal predecessors, (8959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:27,497 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 289.0) internal successors, (8959), 31 states have internal predecessors, (8959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:27,497 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 183 predicate places. [2021-08-13 09:37:27,497 INFO L482 AbstractCegarLoop]: Abstraction has has 320 places, 1320 transitions, 26496 flow [2021-08-13 09:37:27,498 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 172.05) internal successors, (3441), 20 states have internal predecessors, (3441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:27,498 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:37:27,498 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:37:27,498 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-13 09:37:27,498 INFO L430 AbstractCegarLoop]: === Iteration 12 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-13 09:37:27,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:37:27,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1512809737, now seen corresponding path program 3 times [2021-08-13 09:37:27,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:37:27,499 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714064362] [2021-08-13 09:37:27,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:37:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:37:27,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:27,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:37:27,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:27,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 09:37:27,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:27,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 09:37:27,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:27,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 09:37:27,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:27,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 09:37:27,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:27,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 09:37:27,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:27,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 09:37:27,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:27,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 09:37:27,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:27,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 09:37:27,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:27,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 09:37:27,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:27,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 09:37:27,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:27,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 09:37:27,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:27,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 09:37:27,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:27,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 09:37:27,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:27,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 09:37:27,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:27,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 09:37:27,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:27,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 09:37:27,726 INFO L142 QuantifierPusher]: treesize reduction 17, result has 91.3 percent of original size [2021-08-13 09:37:27,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-08-13 09:37:27,783 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-13 09:37:27,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-13 09:37:27,933 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 18 [2021-08-13 09:37:27,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:27,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:37:27,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:37:27,935 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:37:27,935 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714064362] [2021-08-13 09:37:27,935 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714064362] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:37:27,935 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:37:27,935 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-08-13 09:37:27,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149034480] [2021-08-13 09:37:27,935 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-08-13 09:37:27,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:37:27,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-13 09:37:27,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-08-13 09:37:27,938 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 289 [2021-08-13 09:37:27,939 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 1320 transitions, 26496 flow. Second operand has 17 states, 17 states have (on average 175.23529411764707) internal successors, (2979), 17 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:27,939 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:37:27,939 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 289 [2021-08-13 09:37:27,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:37:39,165 INFO L129 PetriNetUnfolder]: 30002/52952 cut-off events. [2021-08-13 09:37:39,165 INFO L130 PetriNetUnfolder]: For 633225/668500 co-relation queries the response was YES. [2021-08-13 09:37:39,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 436636 conditions, 52952 events. 30002/52952 cut-off events. For 633225/668500 co-relation queries the response was YES. Maximal size of possible extension queue 2168. Compared 486370 event pairs, 3066 based on Foata normal form. 297/44565 useless extension candidates. Maximal degree in co-relation 435912. Up to 30509 conditions per place. [2021-08-13 09:37:39,786 INFO L132 encePairwiseOnDemand]: 267/289 looper letters, 944 selfloop transitions, 138 changer transitions 217/1414 dead transitions. [2021-08-13 09:37:39,786 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 1414 transitions, 30882 flow [2021-08-13 09:37:39,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-13 09:37:39,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-08-13 09:37:39,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 4362 transitions. [2021-08-13 09:37:39,789 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6288927335640139 [2021-08-13 09:37:39,789 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 4362 transitions. [2021-08-13 09:37:39,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 4362 transitions. [2021-08-13 09:37:39,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:37:39,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 4362 transitions. [2021-08-13 09:37:39,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 181.75) internal successors, (4362), 24 states have internal predecessors, (4362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:39,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 289.0) internal successors, (7225), 25 states have internal predecessors, (7225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:39,798 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 289.0) internal successors, (7225), 25 states have internal predecessors, (7225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:39,798 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 206 predicate places. [2021-08-13 09:37:39,798 INFO L482 AbstractCegarLoop]: Abstraction has has 343 places, 1414 transitions, 30882 flow [2021-08-13 09:37:39,799 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 175.23529411764707) internal successors, (2979), 17 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:39,799 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:37:39,799 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:37:39,799 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-13 09:37:39,799 INFO L430 AbstractCegarLoop]: === Iteration 13 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-13 09:37:39,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:37:39,799 INFO L82 PathProgramCache]: Analyzing trace with hash -302689191, now seen corresponding path program 1 times [2021-08-13 09:37:39,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:37:39,800 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428636490] [2021-08-13 09:37:39,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:37:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:37:39,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:39,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:37:39,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:39,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 09:37:39,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:39,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 09:37:39,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:39,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 09:37:39,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:39,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 09:37:39,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:39,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 09:37:39,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:39,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 09:37:39,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:39,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 09:37:39,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:39,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 09:37:39,880 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-08-13 09:37:39,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-08-13 09:37:39,905 INFO L142 QuantifierPusher]: treesize reduction 17, result has 91.3 percent of original size [2021-08-13 09:37:39,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-08-13 09:37:39,943 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-13 09:37:39,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-13 09:37:39,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:39,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:37:39,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:37:39,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:37:39,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428636490] [2021-08-13 09:37:39,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428636490] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:37:39,986 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:37:39,986 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-13 09:37:39,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086654164] [2021-08-13 09:37:39,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-13 09:37:39,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:37:39,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-13 09:37:39,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-08-13 09:37:39,988 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 289 [2021-08-13 09:37:39,989 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 1414 transitions, 30882 flow. Second operand has 11 states, 11 states have (on average 180.45454545454547) internal successors, (1985), 11 states have internal predecessors, (1985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:39,989 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:37:39,989 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 289 [2021-08-13 09:37:39,990 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:37:51,785 INFO L129 PetriNetUnfolder]: 30916/54215 cut-off events. [2021-08-13 09:37:51,786 INFO L130 PetriNetUnfolder]: For 789150/832559 co-relation queries the response was YES. [2021-08-13 09:37:52,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 483889 conditions, 54215 events. 30916/54215 cut-off events. For 789150/832559 co-relation queries the response was YES. Maximal size of possible extension queue 2223. Compared 495560 event pairs, 3100 based on Foata normal form. 426/45679 useless extension candidates. Maximal degree in co-relation 483057. Up to 31550 conditions per place. [2021-08-13 09:37:52,309 INFO L132 encePairwiseOnDemand]: 272/289 looper letters, 1005 selfloop transitions, 53 changer transitions 220/1476 dead transitions. [2021-08-13 09:37:52,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 1476 transitions, 34608 flow [2021-08-13 09:37:52,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-13 09:37:52,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-08-13 09:37:52,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 3002 transitions. [2021-08-13 09:37:52,312 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6492214532871973 [2021-08-13 09:37:52,312 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 3002 transitions. [2021-08-13 09:37:52,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 3002 transitions. [2021-08-13 09:37:52,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:37:52,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 3002 transitions. [2021-08-13 09:37:52,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 187.625) internal successors, (3002), 16 states have internal predecessors, (3002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:52,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 289.0) internal successors, (4913), 17 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) [2021-08-13 09:37:52,317 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 289.0) internal successors, (4913), 17 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) [2021-08-13 09:37:52,317 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 221 predicate places. [2021-08-13 09:37:52,317 INFO L482 AbstractCegarLoop]: Abstraction has has 358 places, 1476 transitions, 34608 flow [2021-08-13 09:37:52,317 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 180.45454545454547) internal successors, (1985), 11 states have internal predecessors, (1985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:52,317 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:37:52,317 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:37:52,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-13 09:37:52,318 INFO L430 AbstractCegarLoop]: === Iteration 14 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-13 09:37:52,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:37:52,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1195360473, now seen corresponding path program 2 times [2021-08-13 09:37:52,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:37:52,318 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290677675] [2021-08-13 09:37:52,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:37:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:37:52,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:52,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:37:52,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:52,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 09:37:52,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:52,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 09:37:52,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:52,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 09:37:52,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:52,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 09:37:52,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:52,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 09:37:52,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:52,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 09:37:52,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:52,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 09:37:52,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:52,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 09:37:52,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:52,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 09:37:52,406 INFO L142 QuantifierPusher]: treesize reduction 17, result has 91.3 percent of original size [2021-08-13 09:37:52,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-08-13 09:37:52,450 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-13 09:37:52,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-13 09:37:52,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:37:52,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:37:52,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:37:52,496 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:37:52,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290677675] [2021-08-13 09:37:52,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290677675] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:37:52,496 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:37:52,496 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-13 09:37:52,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101461110] [2021-08-13 09:37:52,496 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-13 09:37:52,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:37:52,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-13 09:37:52,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-08-13 09:37:52,498 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 289 [2021-08-13 09:37:52,499 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 1476 transitions, 34608 flow. Second operand has 12 states, 12 states have (on average 180.16666666666666) internal successors, (2162), 12 states have internal predecessors, (2162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:37:52,499 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:37:52,499 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 289 [2021-08-13 09:37:52,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:38:04,919 INFO L129 PetriNetUnfolder]: 30183/53479 cut-off events. [2021-08-13 09:38:04,919 INFO L130 PetriNetUnfolder]: For 901027/944819 co-relation queries the response was YES. [2021-08-13 09:38:05,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 505613 conditions, 53479 events. 30183/53479 cut-off events. For 901027/944819 co-relation queries the response was YES. Maximal size of possible extension queue 2215. Compared 493639 event pairs, 3292 based on Foata normal form. 423/45193 useless extension candidates. Maximal degree in co-relation 504719. Up to 30683 conditions per place. [2021-08-13 09:38:05,444 INFO L132 encePairwiseOnDemand]: 271/289 looper letters, 981 selfloop transitions, 61 changer transitions 220/1460 dead transitions. [2021-08-13 09:38:05,445 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 1460 transitions, 36460 flow [2021-08-13 09:38:05,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-13 09:38:05,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-08-13 09:38:05,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3353 transitions. [2021-08-13 09:38:05,448 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.644559784698193 [2021-08-13 09:38:05,448 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3353 transitions. [2021-08-13 09:38:05,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3353 transitions. [2021-08-13 09:38:05,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:38:05,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3353 transitions. [2021-08-13 09:38:05,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 186.27777777777777) internal successors, (3353), 18 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:38:05,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 289.0) internal successors, (5491), 19 states have internal predecessors, (5491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:38:05,454 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 289.0) internal successors, (5491), 19 states have internal predecessors, (5491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:38:05,454 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 238 predicate places. [2021-08-13 09:38:05,454 INFO L482 AbstractCegarLoop]: Abstraction has has 375 places, 1460 transitions, 36460 flow [2021-08-13 09:38:05,454 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 180.16666666666666) internal successors, (2162), 12 states have internal predecessors, (2162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:38:05,454 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:38:05,454 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:38:05,454 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-13 09:38:05,455 INFO L430 AbstractCegarLoop]: === Iteration 15 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-13 09:38:05,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:38:05,455 INFO L82 PathProgramCache]: Analyzing trace with hash 129399947, now seen corresponding path program 3 times [2021-08-13 09:38:05,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:38:05,455 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148063426] [2021-08-13 09:38:05,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:38:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:38:05,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:05,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:38:05,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:05,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 09:38:05,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:05,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 09:38:05,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:05,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 09:38:05,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:05,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 09:38:05,508 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-08-13 09:38:05,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 09:38:05,518 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-08-13 09:38:05,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 09:38:05,527 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-08-13 09:38:05,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 09:38:05,533 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-08-13 09:38:05,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 09:38:05,544 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-08-13 09:38:05,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 09:38:05,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:05,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 09:38:05,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:05,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 09:38:05,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:05,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 09:38:05,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:05,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 09:38:05,596 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-13 09:38:05,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-13 09:38:05,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:05,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:38:05,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:38:05,644 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:38:05,644 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148063426] [2021-08-13 09:38:05,644 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148063426] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:38:05,644 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:38:05,644 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-08-13 09:38:05,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185603349] [2021-08-13 09:38:05,644 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-08-13 09:38:05,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:38:05,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-13 09:38:05,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-08-13 09:38:05,646 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 289 [2021-08-13 09:38:05,647 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 1460 transitions, 36460 flow. Second operand has 14 states, 14 states have (on average 178.71428571428572) internal successors, (2502), 14 states have internal predecessors, (2502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:38:05,647 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:38:05,647 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 289 [2021-08-13 09:38:05,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:38:19,701 INFO L129 PetriNetUnfolder]: 31131/55469 cut-off events. [2021-08-13 09:38:19,701 INFO L130 PetriNetUnfolder]: For 1085860/1134179 co-relation queries the response was YES. [2021-08-13 09:38:20,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 557230 conditions, 55469 events. 31131/55469 cut-off events. For 1085860/1134179 co-relation queries the response was YES. Maximal size of possible extension queue 2310. Compared 517817 event pairs, 3534 based on Foata normal form. 422/46918 useless extension candidates. Maximal degree in co-relation 556216. Up to 31834 conditions per place. [2021-08-13 09:38:20,364 INFO L132 encePairwiseOnDemand]: 269/289 looper letters, 994 selfloop transitions, 114 changer transitions 221/1522 dead transitions. [2021-08-13 09:38:20,364 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 1522 transitions, 40631 flow [2021-08-13 09:38:20,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-13 09:38:20,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-08-13 09:38:20,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3701 transitions. [2021-08-13 09:38:20,367 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6403114186851211 [2021-08-13 09:38:20,367 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 3701 transitions. [2021-08-13 09:38:20,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 3701 transitions. [2021-08-13 09:38:20,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:38:20,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 3701 transitions. [2021-08-13 09:38:20,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 185.05) internal successors, (3701), 20 states have internal predecessors, (3701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:38:20,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 289.0) internal successors, (6069), 21 states have internal predecessors, (6069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:38:20,373 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 289.0) internal successors, (6069), 21 states have internal predecessors, (6069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:38:20,373 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 257 predicate places. [2021-08-13 09:38:20,373 INFO L482 AbstractCegarLoop]: Abstraction has has 394 places, 1522 transitions, 40631 flow [2021-08-13 09:38:20,373 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 178.71428571428572) internal successors, (2502), 14 states have internal predecessors, (2502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:38:20,374 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:38:20,374 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:38:20,374 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-13 09:38:20,374 INFO L430 AbstractCegarLoop]: === Iteration 16 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-13 09:38:20,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:38:20,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1192014899, now seen corresponding path program 4 times [2021-08-13 09:38:20,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:38:20,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514893934] [2021-08-13 09:38:20,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:38:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:38:20,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:20,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:38:20,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:20,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 09:38:20,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:20,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 09:38:20,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:20,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 09:38:20,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:20,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 09:38:20,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:20,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 09:38:20,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:20,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 09:38:20,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:20,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-08-13 09:38:20,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:20,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-08-13 09:38:20,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:20,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 09:38:20,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:20,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 09:38:20,501 INFO L142 QuantifierPusher]: treesize reduction 21, result has 56.3 percent of original size [2021-08-13 09:38:20,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 09:38:20,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:20,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 09:38:20,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:20,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 09:38:20,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:20,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 09:38:20,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:20,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 09:38:20,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:20,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 09:38:20,588 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-13 09:38:20,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-13 09:38:20,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:20,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:38:20,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:38:20,636 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:38:20,636 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514893934] [2021-08-13 09:38:20,636 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514893934] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:38:20,636 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:38:20,636 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-08-13 09:38:20,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942044402] [2021-08-13 09:38:20,636 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-08-13 09:38:20,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:38:20,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-13 09:38:20,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-08-13 09:38:20,639 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 289 [2021-08-13 09:38:20,640 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 1522 transitions, 40631 flow. Second operand has 17 states, 17 states have (on average 175.41176470588235) internal successors, (2982), 17 states have internal predecessors, (2982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:38:20,640 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:38:20,640 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 289 [2021-08-13 09:38:20,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:38:35,530 INFO L129 PetriNetUnfolder]: 32141/56533 cut-off events. [2021-08-13 09:38:35,530 INFO L130 PetriNetUnfolder]: For 1279936/1337869 co-relation queries the response was YES. [2021-08-13 09:38:35,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 608192 conditions, 56533 events. 32141/56533 cut-off events. For 1279936/1337869 co-relation queries the response was YES. Maximal size of possible extension queue 2352. Compared 521466 event pairs, 3505 based on Foata normal form. 289/47431 useless extension candidates. Maximal degree in co-relation 607048. Up to 32828 conditions per place. [2021-08-13 09:38:36,137 INFO L132 encePairwiseOnDemand]: 267/289 looper letters, 1054 selfloop transitions, 125 changer transitions 222/1591 dead transitions. [2021-08-13 09:38:36,137 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 1591 transitions, 45260 flow [2021-08-13 09:38:36,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-13 09:38:36,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-08-13 09:38:36,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 4358 transitions. [2021-08-13 09:38:36,140 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.628316032295271 [2021-08-13 09:38:36,140 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 4358 transitions. [2021-08-13 09:38:36,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 4358 transitions. [2021-08-13 09:38:36,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:38:36,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 4358 transitions. [2021-08-13 09:38:36,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 181.58333333333334) internal successors, (4358), 24 states have internal predecessors, (4358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:38:36,147 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 289.0) internal successors, (7225), 25 states have internal predecessors, (7225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:38:36,147 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 289.0) internal successors, (7225), 25 states have internal predecessors, (7225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:38:36,147 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 280 predicate places. [2021-08-13 09:38:36,147 INFO L482 AbstractCegarLoop]: Abstraction has has 417 places, 1591 transitions, 45260 flow [2021-08-13 09:38:36,148 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 175.41176470588235) internal successors, (2982), 17 states have internal predecessors, (2982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:38:36,148 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:38:36,148 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:38:36,148 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-13 09:38:36,148 INFO L430 AbstractCegarLoop]: === Iteration 17 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-13 09:38:36,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:38:36,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1130603303, now seen corresponding path program 5 times [2021-08-13 09:38:36,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:38:36,149 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251240154] [2021-08-13 09:38:36,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:38:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:38:36,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:36,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:38:36,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:36,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 09:38:36,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:36,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 09:38:36,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:36,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 09:38:36,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:36,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 09:38:36,207 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-08-13 09:38:36,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 09:38:36,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:36,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-13 09:38:36,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:36,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-08-13 09:38:36,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:36,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-08-13 09:38:36,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:36,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-08-13 09:38:36,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:36,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-08-13 09:38:36,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:36,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 09:38:36,326 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-08-13 09:38:36,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 09:38:36,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:36,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 09:38:36,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:36,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 09:38:36,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:36,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 09:38:36,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:36,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 09:38:36,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:36,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 09:38:36,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:36,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 09:38:36,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:36,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 09:38:36,476 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-13 09:38:36,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-13 09:38:36,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:36,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:38:36,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:38:36,527 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:38:36,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251240154] [2021-08-13 09:38:36,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251240154] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:38:36,527 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:38:36,527 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-13 09:38:36,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681584316] [2021-08-13 09:38:36,528 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 09:38:36,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:38:36,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 09:38:36,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-08-13 09:38:36,530 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 289 [2021-08-13 09:38:36,531 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 1591 transitions, 45260 flow. Second operand has 18 states, 18 states have (on average 174.27777777777777) internal successors, (3137), 18 states have internal predecessors, (3137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:38:36,531 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:38:36,531 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 289 [2021-08-13 09:38:36,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:38:52,679 INFO L129 PetriNetUnfolder]: 32492/57658 cut-off events. [2021-08-13 09:38:52,680 INFO L130 PetriNetUnfolder]: For 1469774/1530317 co-relation queries the response was YES. [2021-08-13 09:38:53,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 649392 conditions, 57658 events. 32492/57658 cut-off events. For 1469774/1530317 co-relation queries the response was YES. Maximal size of possible extension queue 2453. Compared 539807 event pairs, 4031 based on Foata normal form. 526/48646 useless extension candidates. Maximal degree in co-relation 648110. Up to 33083 conditions per place. [2021-08-13 09:38:53,436 INFO L132 encePairwiseOnDemand]: 266/289 looper letters, 1030 selfloop transitions, 175 changer transitions 224/1616 dead transitions. [2021-08-13 09:38:53,436 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 1616 transitions, 48649 flow [2021-08-13 09:38:53,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-13 09:38:53,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-08-13 09:38:53,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4689 transitions. [2021-08-13 09:38:53,439 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6240351344157572 [2021-08-13 09:38:53,439 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 4689 transitions. [2021-08-13 09:38:53,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 4689 transitions. [2021-08-13 09:38:53,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:38:53,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 4689 transitions. [2021-08-13 09:38:53,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 180.34615384615384) internal successors, (4689), 26 states have internal predecessors, (4689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:38:53,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 289.0) internal successors, (7803), 27 states have internal predecessors, (7803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:38:53,447 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 289.0) internal successors, (7803), 27 states have internal predecessors, (7803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:38:53,447 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 305 predicate places. [2021-08-13 09:38:53,447 INFO L482 AbstractCegarLoop]: Abstraction has has 442 places, 1616 transitions, 48649 flow [2021-08-13 09:38:53,447 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 174.27777777777777) internal successors, (3137), 18 states have internal predecessors, (3137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:38:53,448 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:38:53,448 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:38:53,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-13 09:38:53,448 INFO L430 AbstractCegarLoop]: === Iteration 18 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-13 09:38:53,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:38:53,448 INFO L82 PathProgramCache]: Analyzing trace with hash -461667691, now seen corresponding path program 1 times [2021-08-13 09:38:53,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:38:53,448 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207882322] [2021-08-13 09:38:53,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:38:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:38:53,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:53,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:38:53,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:53,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 09:38:53,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:53,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 09:38:53,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:53,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 09:38:53,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:53,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 09:38:53,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:53,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 09:38:53,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:53,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-08-13 09:38:53,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:53,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 09:38:53,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:53,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-13 09:38:53,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:53,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-13 09:38:53,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:53,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 09:38:53,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:53,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 09:38:53,591 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-08-13 09:38:53,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 09:38:53,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:53,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 09:38:53,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:53,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 09:38:53,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:53,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 09:38:53,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:53,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 09:38:53,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:53,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 09:38:53,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:53,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 09:38:53,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:53,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 09:38:53,709 INFO L142 QuantifierPusher]: treesize reduction 17, result has 91.3 percent of original size [2021-08-13 09:38:53,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-08-13 09:38:53,757 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-13 09:38:53,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-13 09:38:53,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:38:53,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:38:53,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:38:53,808 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:38:53,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207882322] [2021-08-13 09:38:53,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207882322] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:38:53,808 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:38:53,809 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-13 09:38:53,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295696117] [2021-08-13 09:38:53,809 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 09:38:53,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:38:53,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 09:38:53,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-08-13 09:38:53,811 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 289 [2021-08-13 09:38:53,812 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 1616 transitions, 48649 flow. Second operand has 19 states, 19 states have (on average 172.21052631578948) internal successors, (3272), 19 states have internal predecessors, (3272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:38:53,812 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:38:53,812 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 289 [2021-08-13 09:38:53,812 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand