/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 15:23:53,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 15:23:53,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 15:23:53,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 15:23:53,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 15:23:53,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 15:23:53,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 15:23:53,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 15:23:53,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 15:23:53,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 15:23:53,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 15:23:53,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 15:23:53,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 15:23:53,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 15:23:53,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 15:23:53,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 15:23:53,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 15:23:53,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 15:23:53,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 15:23:53,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 15:23:53,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 15:23:53,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 15:23:53,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 15:23:53,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 15:23:53,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 15:23:53,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 15:23:53,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 15:23:53,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 15:23:53,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 15:23:53,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 15:23:53,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 15:23:53,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 15:23:53,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 15:23:53,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 15:23:53,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 15:23:53,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 15:23:53,936 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 15:23:53,989 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 15:23:53,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 15:23:53,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 15:23:53,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 15:23:53,995 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 15:23:53,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 15:23:53,995 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 15:23:53,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 15:23:53,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 15:23:53,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 15:23:53,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 15:23:53,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 15:23:53,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 15:23:53,997 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 15:23:53,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 15:23:53,998 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 15:23:53,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 15:23:53,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 15:23:53,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 15:23:53,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 15:23:53,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 15:23:53,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 15:23:53,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 15:23:54,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 15:23:54,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 15:23:54,000 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 15:23:54,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 15:23:54,001 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 15:23:54,001 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 15:23:54,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 15:23:54,001 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 15:23:54,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 15:23:54,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 15:23:54,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 15:23:54,410 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 15:23:54,411 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 15:23:54,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2021-04-28 15:23:54,507 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38caacadc/a3313855c5c24fd1bbcce7f269d7f699/FLAGbf496f60d [2021-04-28 15:23:55,231 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 15:23:55,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2021-04-28 15:23:55,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38caacadc/a3313855c5c24fd1bbcce7f269d7f699/FLAGbf496f60d [2021-04-28 15:23:55,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38caacadc/a3313855c5c24fd1bbcce7f269d7f699 [2021-04-28 15:23:55,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 15:23:55,510 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 15:23:55,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 15:23:55,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 15:23:55,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 15:23:55,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 03:23:55" (1/1) ... [2021-04-28 15:23:55,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4266d044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:23:55, skipping insertion in model container [2021-04-28 15:23:55,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 03:23:55" (1/1) ... [2021-04-28 15:23:55,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 15:23:55,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 15:23:55,749 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-04-28 15:23:56,058 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i[31246,31259] [2021-04-28 15:23:56,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 15:23:56,094 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 15:23:56,128 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-04-28 15:23:56,181 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i[31246,31259] [2021-04-28 15:23:56,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 15:23:56,392 INFO L208 MainTranslator]: Completed translation [2021-04-28 15:23:56,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:23:56 WrapperNode [2021-04-28 15:23:56,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 15:23:56,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 15:23:56,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 15:23:56,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 15:23:56,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:23:56" (1/1) ... [2021-04-28 15:23:56,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:23:56" (1/1) ... [2021-04-28 15:23:56,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 15:23:56,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 15:23:56,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 15:23:56,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 15:23:56,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:23:56" (1/1) ... [2021-04-28 15:23:56,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:23:56" (1/1) ... [2021-04-28 15:23:56,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:23:56" (1/1) ... [2021-04-28 15:23:56,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:23:56" (1/1) ... [2021-04-28 15:23:56,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:23:56" (1/1) ... [2021-04-28 15:23:56,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:23:56" (1/1) ... [2021-04-28 15:23:56,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:23:56" (1/1) ... [2021-04-28 15:23:56,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 15:23:56,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 15:23:56,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 15:23:56,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 15:23:56,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:23:56" (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 [2021-04-28 15:23:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-28 15:23:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 15:23:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 15:23:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-04-28 15:23:56,661 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-04-28 15:23:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 15:23:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 15:23:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 15:23:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 15:23:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 15:23:56,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 15:23:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-04-28 15:23:56,663 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-04-28 15:23:56,664 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 15:23:57,252 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 15:23:57,253 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-04-28 15:23:57,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 03:23:57 BoogieIcfgContainer [2021-04-28 15:23:57,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 15:23:57,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 15:23:57,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 15:23:57,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 15:23:57,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 03:23:55" (1/3) ... [2021-04-28 15:23:57,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2095480b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 03:23:57, skipping insertion in model container [2021-04-28 15:23:57,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:23:56" (2/3) ... [2021-04-28 15:23:57,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2095480b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 03:23:57, skipping insertion in model container [2021-04-28 15:23:57,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 03:23:57" (3/3) ... [2021-04-28 15:23:57,265 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2021-04-28 15:23:57,273 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 15:23:57,279 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-28 15:23:57,280 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 15:23:57,326 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,326 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,326 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,327 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,327 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,327 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,327 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,328 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,328 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,328 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,328 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,328 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,329 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,329 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,329 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,330 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,330 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,330 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,330 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,331 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,331 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,331 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,331 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,332 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,332 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,332 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,332 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,332 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,333 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,333 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,333 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,333 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,334 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,334 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,334 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,335 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,335 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,335 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,335 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,335 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,336 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,336 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,336 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,336 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,336 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,337 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,337 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,337 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,337 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,338 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,338 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,338 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,338 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,339 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,339 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,339 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,339 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,340 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,340 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,340 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,340 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,340 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,341 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,341 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,341 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,341 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,342 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,342 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,342 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,342 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,343 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,343 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,343 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,343 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,343 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,344 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,344 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,344 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,344 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,344 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,345 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,345 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,345 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,345 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,346 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,346 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,346 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,346 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,347 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,347 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,347 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,347 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,347 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,348 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,348 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,348 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,348 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,349 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,349 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,349 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,351 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,352 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,352 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,352 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,353 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,353 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,353 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,353 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,354 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,357 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,357 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,357 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,358 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,358 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,358 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,361 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,361 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,361 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,361 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,362 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,362 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,362 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,362 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,363 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,366 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,366 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,366 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,367 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,367 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,367 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:23:57,405 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-04-28 15:23:57,429 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 15:23:57,457 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 15:23:57,458 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 15:23:57,458 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 15:23:57,458 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 15:23:57,458 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 15:23:57,458 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 15:23:57,458 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 15:23:57,459 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 15:23:57,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 108 transitions, 284 flow [2021-04-28 15:23:57,574 INFO L129 PetriNetUnfolder]: 19/142 cut-off events. [2021-04-28 15:23:57,574 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2021-04-28 15:23:57,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 142 events. 19/142 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 322 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 95. Up to 12 conditions per place. [2021-04-28 15:23:57,595 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 108 transitions, 284 flow [2021-04-28 15:23:57,601 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 88 transitions, 224 flow [2021-04-28 15:23:57,603 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:23:57,620 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 88 transitions, 224 flow [2021-04-28 15:23:57,624 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 88 transitions, 224 flow [2021-04-28 15:23:57,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 88 transitions, 224 flow [2021-04-28 15:23:57,662 INFO L129 PetriNetUnfolder]: 16/126 cut-off events. [2021-04-28 15:23:57,662 INFO L130 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2021-04-28 15:23:57,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 126 events. 16/126 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 324 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 95. Up to 12 conditions per place. [2021-04-28 15:23:57,671 INFO L146 LiptonReduction]: Number of co-enabled transitions 2808 [2021-04-28 15:24:01,696 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 15:24:01,813 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 15:24:01,956 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 15:24:02,074 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 15:24:02,376 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 15:24:02,670 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 15:24:02,865 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 15:24:03,052 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-04-28 15:24:03,238 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-04-28 15:24:04,837 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 15:24:04,955 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 15:24:05,073 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 15:24:05,188 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 15:24:07,831 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 15:24:07,978 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 15:24:08,123 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 15:24:08,272 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 15:24:08,408 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 15:24:08,564 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 15:24:08,709 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 15:24:08,853 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 15:24:09,442 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 15:24:09,549 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 15:24:09,792 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 15:24:10,776 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2021-04-28 15:24:10,915 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 15:24:11,228 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2021-04-28 15:24:11,351 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 15:24:14,245 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2021-04-28 15:24:14,458 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:24:14,952 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2021-04-28 15:24:15,174 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:24:16,026 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2021-04-28 15:24:16,244 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:24:16,763 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2021-04-28 15:24:16,979 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:24:17,400 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2021-04-28 15:24:17,578 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:24:17,994 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2021-04-28 15:24:18,165 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:24:18,268 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:24:19,109 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 15:24:19,261 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 15:24:19,424 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 15:24:19,583 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 15:24:19,717 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 15:24:19,861 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 15:24:19,997 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 15:24:20,127 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 15:24:20,682 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 15:24:20,887 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 15:24:21,091 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 15:24:21,289 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 15:24:21,590 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 15:24:21,868 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 15:24:22,159 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 15:24:22,418 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 15:24:22,522 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:24:22,721 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:24:23,087 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 15:24:23,329 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:24:23,597 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 15:24:23,877 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:24:24,305 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:24:24,507 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:24:24,660 INFO L158 LiptonReduction]: Checked pairs total: 20582 [2021-04-28 15:24:24,660 INFO L160 LiptonReduction]: Total number of compositions: 104 [2021-04-28 15:24:24,664 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27062 [2021-04-28 15:24:24,684 INFO L129 PetriNetUnfolder]: 0/58 cut-off events. [2021-04-28 15:24:24,684 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 15:24:24,684 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:24:24,685 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:24:24,685 INFO L428 AbstractCegarLoop]: === Iteration 1 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-28 15:24:24,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:24:24,692 INFO L82 PathProgramCache]: Analyzing trace with hash 708965507, now seen corresponding path program 1 times [2021-04-28 15:24:24,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:24:24,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138199512] [2021-04-28 15:24:24,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:24:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:24:24,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:24,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:24:24,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:24,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:24,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:24,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:24,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:24,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:24,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:24:24,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138199512] [2021-04-28 15:24:24,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:24:24,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 15:24:24,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86113412] [2021-04-28 15:24:24,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 15:24:24,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:24:24,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 15:24:24,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-28 15:24:24,988 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 212 [2021-04-28 15:24:24,993 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 96 transitions, 240 flow. Second operand has 5 states, 5 states have (on average 144.4) internal successors, (722), 5 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:24,994 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:24:24,994 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 212 [2021-04-28 15:24:24,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:24:25,819 INFO L129 PetriNetUnfolder]: 1278/3400 cut-off events. [2021-04-28 15:24:25,820 INFO L130 PetriNetUnfolder]: For 594/594 co-relation queries the response was YES. [2021-04-28 15:24:25,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5688 conditions, 3400 events. 1278/3400 cut-off events. For 594/594 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 31363 event pairs, 223 based on Foata normal form. 0/2184 useless extension candidates. Maximal degree in co-relation 4836. Up to 988 conditions per place. [2021-04-28 15:24:25,875 INFO L132 encePairwiseOnDemand]: 191/212 looper letters, 61 selfloop transitions, 22 changer transitions 28/159 dead transitions. [2021-04-28 15:24:25,875 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 159 transitions, 559 flow [2021-04-28 15:24:25,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-28 15:24:25,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-28 15:24:25,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1243 transitions. [2021-04-28 15:24:25,898 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7329009433962265 [2021-04-28 15:24:25,899 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1243 transitions. [2021-04-28 15:24:25,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1243 transitions. [2021-04-28 15:24:25,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:24:25,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1243 transitions. [2021-04-28 15:24:25,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 155.375) internal successors, (1243), 8 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:25,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 212.0) internal successors, (1908), 9 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:25,928 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 212.0) internal successors, (1908), 9 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:25,930 INFO L185 Difference]: Start difference. First operand has 100 places, 96 transitions, 240 flow. Second operand 8 states and 1243 transitions. [2021-04-28 15:24:25,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 159 transitions, 559 flow [2021-04-28 15:24:25,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 159 transitions, 525 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-04-28 15:24:25,955 INFO L241 Difference]: Finished difference. Result has 105 places, 88 transitions, 303 flow [2021-04-28 15:24:25,958 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=303, PETRI_PLACES=105, PETRI_TRANSITIONS=88} [2021-04-28 15:24:25,959 INFO L343 CegarLoopForPetriNet]: 100 programPoint places, 5 predicate places. [2021-04-28 15:24:25,959 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:24:25,959 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 88 transitions, 303 flow [2021-04-28 15:24:25,960 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 88 transitions, 303 flow [2021-04-28 15:24:25,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 88 transitions, 303 flow [2021-04-28 15:24:26,067 INFO L129 PetriNetUnfolder]: 209/1046 cut-off events. [2021-04-28 15:24:26,067 INFO L130 PetriNetUnfolder]: For 136/155 co-relation queries the response was YES. [2021-04-28 15:24:26,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1366 conditions, 1046 events. 209/1046 cut-off events. For 136/155 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 9721 event pairs, 4 based on Foata normal form. 0/685 useless extension candidates. Maximal degree in co-relation 866. Up to 148 conditions per place. [2021-04-28 15:24:26,100 INFO L146 LiptonReduction]: Number of co-enabled transitions 3880 [2021-04-28 15:24:26,283 INFO L158 LiptonReduction]: Checked pairs total: 2167 [2021-04-28 15:24:26,283 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:24:26,283 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 324 [2021-04-28 15:24:26,286 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 88 transitions, 303 flow [2021-04-28 15:24:26,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 144.4) internal successors, (722), 5 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:26,287 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:24:26,287 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:24:26,288 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 15:24:26,288 INFO L428 AbstractCegarLoop]: === Iteration 2 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-28 15:24:26,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:24:26,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1582130027, now seen corresponding path program 1 times [2021-04-28 15:24:26,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:24:26,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191242244] [2021-04-28 15:24:26,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:24:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:24:26,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:26,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:26,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:26,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:26,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:26,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:24:26,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:24:26,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191242244] [2021-04-28 15:24:26,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:24:26,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 15:24:26,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298562176] [2021-04-28 15:24:26,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 15:24:26,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:24:26,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 15:24:26,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 15:24:26,457 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 212 [2021-04-28 15:24:26,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 88 transitions, 303 flow. Second operand has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:26,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:24:26,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 212 [2021-04-28 15:24:26,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:24:27,503 INFO L129 PetriNetUnfolder]: 2327/7139 cut-off events. [2021-04-28 15:24:27,504 INFO L130 PetriNetUnfolder]: For 891/1026 co-relation queries the response was YES. [2021-04-28 15:24:27,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11552 conditions, 7139 events. 2327/7139 cut-off events. For 891/1026 co-relation queries the response was YES. Maximal size of possible extension queue 907. Compared 83304 event pairs, 69 based on Foata normal form. 24/4393 useless extension candidates. Maximal degree in co-relation 8920. Up to 1768 conditions per place. [2021-04-28 15:24:27,711 INFO L132 encePairwiseOnDemand]: 201/212 looper letters, 12 selfloop transitions, 17 changer transitions 0/106 dead transitions. [2021-04-28 15:24:27,711 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 106 transitions, 397 flow [2021-04-28 15:24:27,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 15:24:27,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 15:24:27,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 639 transitions. [2021-04-28 15:24:27,715 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7535377358490566 [2021-04-28 15:24:27,716 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 639 transitions. [2021-04-28 15:24:27,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 639 transitions. [2021-04-28 15:24:27,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:24:27,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 639 transitions. [2021-04-28 15:24:27,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 159.75) internal successors, (639), 4 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:27,722 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:27,724 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:27,724 INFO L185 Difference]: Start difference. First operand has 77 places, 88 transitions, 303 flow. Second operand 4 states and 639 transitions. [2021-04-28 15:24:27,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 106 transitions, 397 flow [2021-04-28 15:24:27,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 106 transitions, 397 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 15:24:27,745 INFO L241 Difference]: Finished difference. Result has 83 places, 104 transitions, 427 flow [2021-04-28 15:24:27,746 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=303, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=427, PETRI_PLACES=83, PETRI_TRANSITIONS=104} [2021-04-28 15:24:27,747 INFO L343 CegarLoopForPetriNet]: 100 programPoint places, -17 predicate places. [2021-04-28 15:24:27,747 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:24:27,747 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 104 transitions, 427 flow [2021-04-28 15:24:27,749 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 104 transitions, 427 flow [2021-04-28 15:24:27,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 104 transitions, 427 flow [2021-04-28 15:24:28,636 INFO L129 PetriNetUnfolder]: 2037/6825 cut-off events. [2021-04-28 15:24:28,636 INFO L130 PetriNetUnfolder]: For 1489/1605 co-relation queries the response was YES. [2021-04-28 15:24:28,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12156 conditions, 6825 events. 2037/6825 cut-off events. For 1489/1605 co-relation queries the response was YES. Maximal size of possible extension queue 749. Compared 82196 event pairs, 56 based on Foata normal form. 0/4282 useless extension candidates. Maximal degree in co-relation 9406. Up to 1375 conditions per place. [2021-04-28 15:24:28,838 INFO L146 LiptonReduction]: Number of co-enabled transitions 4944 [2021-04-28 15:24:28,860 INFO L158 LiptonReduction]: Checked pairs total: 1218 [2021-04-28 15:24:28,861 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:24:28,861 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1114 [2021-04-28 15:24:28,865 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 104 transitions, 427 flow [2021-04-28 15:24:28,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:28,869 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:24:28,869 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:24:28,869 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 15:24:28,871 INFO L428 AbstractCegarLoop]: === Iteration 3 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-28 15:24:28,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:24:28,873 INFO L82 PathProgramCache]: Analyzing trace with hash 277718581, now seen corresponding path program 2 times [2021-04-28 15:24:28,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:24:28,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874092154] [2021-04-28 15:24:28,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:24:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:24:28,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:28,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:24:28,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:28,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:28,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:28,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:24:28,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:24:28,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874092154] [2021-04-28 15:24:28,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:24:28,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 15:24:28,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937847551] [2021-04-28 15:24:28,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 15:24:28,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:24:28,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 15:24:28,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 15:24:28,979 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 212 [2021-04-28 15:24:28,980 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 104 transitions, 427 flow. Second operand has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:28,980 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:24:28,980 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 212 [2021-04-28 15:24:28,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:24:30,378 INFO L129 PetriNetUnfolder]: 2697/9944 cut-off events. [2021-04-28 15:24:30,378 INFO L130 PetriNetUnfolder]: For 4016/4319 co-relation queries the response was YES. [2021-04-28 15:24:30,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19640 conditions, 9944 events. 2697/9944 cut-off events. For 4016/4319 co-relation queries the response was YES. Maximal size of possible extension queue 1335. Compared 133019 event pairs, 6 based on Foata normal form. 247/6377 useless extension candidates. Maximal degree in co-relation 15797. Up to 2212 conditions per place. [2021-04-28 15:24:30,503 INFO L132 encePairwiseOnDemand]: 202/212 looper letters, 5 selfloop transitions, 10 changer transitions 1/104 dead transitions. [2021-04-28 15:24:30,504 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 104 transitions, 457 flow [2021-04-28 15:24:30,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 15:24:30,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 15:24:30,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 486 transitions. [2021-04-28 15:24:30,507 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7641509433962265 [2021-04-28 15:24:30,507 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 486 transitions. [2021-04-28 15:24:30,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 486 transitions. [2021-04-28 15:24:30,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:24:30,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 486 transitions. [2021-04-28 15:24:30,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:30,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:30,512 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:30,512 INFO L185 Difference]: Start difference. First operand has 83 places, 104 transitions, 427 flow. Second operand 3 states and 486 transitions. [2021-04-28 15:24:30,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 104 transitions, 457 flow [2021-04-28 15:24:30,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 104 transitions, 457 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 15:24:30,664 INFO L241 Difference]: Finished difference. Result has 86 places, 103 transitions, 459 flow [2021-04-28 15:24:30,664 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=459, PETRI_PLACES=86, PETRI_TRANSITIONS=103} [2021-04-28 15:24:30,664 INFO L343 CegarLoopForPetriNet]: 100 programPoint places, -14 predicate places. [2021-04-28 15:24:30,665 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:24:30,665 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 103 transitions, 459 flow [2021-04-28 15:24:30,668 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 103 transitions, 459 flow [2021-04-28 15:24:30,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 103 transitions, 459 flow [2021-04-28 15:24:31,864 INFO L129 PetriNetUnfolder]: 2705/9913 cut-off events. [2021-04-28 15:24:31,865 INFO L130 PetriNetUnfolder]: For 5341/5826 co-relation queries the response was YES. [2021-04-28 15:24:31,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20500 conditions, 9913 events. 2705/9913 cut-off events. For 5341/5826 co-relation queries the response was YES. Maximal size of possible extension queue 1311. Compared 133311 event pairs, 3 based on Foata normal form. 0/6101 useless extension candidates. Maximal degree in co-relation 16671. Up to 2212 conditions per place. [2021-04-28 15:24:32,098 INFO L146 LiptonReduction]: Number of co-enabled transitions 3934 [2021-04-28 15:24:32,119 INFO L158 LiptonReduction]: Checked pairs total: 1034 [2021-04-28 15:24:32,119 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:24:32,119 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1454 [2021-04-28 15:24:32,126 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 103 transitions, 459 flow [2021-04-28 15:24:32,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:32,127 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:24:32,127 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:24:32,127 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 15:24:32,128 INFO L428 AbstractCegarLoop]: === Iteration 4 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-28 15:24:32,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:24:32,128 INFO L82 PathProgramCache]: Analyzing trace with hash -687084067, now seen corresponding path program 1 times [2021-04-28 15:24:32,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:24:32,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698212185] [2021-04-28 15:24:32,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:24:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:24:32,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:32,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:24:32,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:32,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:32,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:32,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:32,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:32,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:32,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:24:32,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698212185] [2021-04-28 15:24:32,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:24:32,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 15:24:32,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211415727] [2021-04-28 15:24:32,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 15:24:32,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:24:32,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 15:24:32,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-28 15:24:32,238 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 212 [2021-04-28 15:24:32,239 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 103 transitions, 459 flow. Second operand has 5 states, 5 states have (on average 144.4) internal successors, (722), 5 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:32,239 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:24:32,239 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 212 [2021-04-28 15:24:32,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:24:34,900 INFO L129 PetriNetUnfolder]: 4802/17077 cut-off events. [2021-04-28 15:24:34,900 INFO L130 PetriNetUnfolder]: For 13969/14970 co-relation queries the response was YES. [2021-04-28 15:24:34,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40550 conditions, 17077 events. 4802/17077 cut-off events. For 13969/14970 co-relation queries the response was YES. Maximal size of possible extension queue 2208. Compared 241656 event pairs, 549 based on Foata normal form. 48/11258 useless extension candidates. Maximal degree in co-relation 25939. Up to 3084 conditions per place. [2021-04-28 15:24:35,055 INFO L132 encePairwiseOnDemand]: 202/212 looper letters, 67 selfloop transitions, 35 changer transitions 0/164 dead transitions. [2021-04-28 15:24:35,055 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 164 transitions, 940 flow [2021-04-28 15:24:35,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-28 15:24:35,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-28 15:24:35,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1220 transitions. [2021-04-28 15:24:35,061 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7193396226415094 [2021-04-28 15:24:35,061 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1220 transitions. [2021-04-28 15:24:35,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1220 transitions. [2021-04-28 15:24:35,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:24:35,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1220 transitions. [2021-04-28 15:24:35,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 152.5) internal successors, (1220), 8 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:35,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 212.0) internal successors, (1908), 9 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:35,074 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 212.0) internal successors, (1908), 9 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:35,075 INFO L185 Difference]: Start difference. First operand has 85 places, 103 transitions, 459 flow. Second operand 8 states and 1220 transitions. [2021-04-28 15:24:35,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 164 transitions, 940 flow [2021-04-28 15:24:35,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 164 transitions, 920 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 15:24:35,156 INFO L241 Difference]: Finished difference. Result has 95 places, 131 transitions, 745 flow [2021-04-28 15:24:35,156 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=439, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=745, PETRI_PLACES=95, PETRI_TRANSITIONS=131} [2021-04-28 15:24:35,156 INFO L343 CegarLoopForPetriNet]: 100 programPoint places, -5 predicate places. [2021-04-28 15:24:35,157 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:24:35,157 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 131 transitions, 745 flow [2021-04-28 15:24:35,157 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 131 transitions, 745 flow [2021-04-28 15:24:35,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 131 transitions, 745 flow [2021-04-28 15:24:36,500 INFO L129 PetriNetUnfolder]: 3970/13655 cut-off events. [2021-04-28 15:24:36,501 INFO L130 PetriNetUnfolder]: For 10945/11496 co-relation queries the response was YES. [2021-04-28 15:24:36,584 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29730 conditions, 13655 events. 3970/13655 cut-off events. For 10945/11496 co-relation queries the response was YES. Maximal size of possible extension queue 1828. Compared 188066 event pairs, 0 based on Foata normal form. 63/8760 useless extension candidates. Maximal degree in co-relation 24346. Up to 3046 conditions per place. [2021-04-28 15:24:36,870 INFO L146 LiptonReduction]: Number of co-enabled transitions 4700 [2021-04-28 15:24:36,885 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 15:24:36,885 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:24:36,885 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1729 [2021-04-28 15:24:36,888 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 131 transitions, 745 flow [2021-04-28 15:24:36,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 144.4) internal successors, (722), 5 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:36,889 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:24:36,889 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:24:36,889 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 15:24:36,890 INFO L428 AbstractCegarLoop]: === Iteration 5 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-28 15:24:36,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:24:36,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1396876962, now seen corresponding path program 1 times [2021-04-28 15:24:36,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:24:36,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799538666] [2021-04-28 15:24:36,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:24:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:24:36,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:36,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:24:36,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:36,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:36,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:36,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:36,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:36,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:36,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:24:36,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799538666] [2021-04-28 15:24:36,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:24:36,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 15:24:36,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105220146] [2021-04-28 15:24:36,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 15:24:36,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:24:36,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 15:24:36,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-28 15:24:36,988 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 212 [2021-04-28 15:24:36,989 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 131 transitions, 745 flow. Second operand has 5 states, 5 states have (on average 144.0) internal successors, (720), 5 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:36,989 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:24:36,989 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 212 [2021-04-28 15:24:36,990 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:24:39,302 INFO L129 PetriNetUnfolder]: 4679/17100 cut-off events. [2021-04-28 15:24:39,303 INFO L130 PetriNetUnfolder]: For 21196/22002 co-relation queries the response was YES. [2021-04-28 15:24:39,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42946 conditions, 17100 events. 4679/17100 cut-off events. For 21196/22002 co-relation queries the response was YES. Maximal size of possible extension queue 2221. Compared 244423 event pairs, 437 based on Foata normal form. 328/12091 useless extension candidates. Maximal degree in co-relation 35309. Up to 2857 conditions per place. [2021-04-28 15:24:39,418 INFO L132 encePairwiseOnDemand]: 202/212 looper letters, 67 selfloop transitions, 47 changer transitions 0/175 dead transitions. [2021-04-28 15:24:39,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 175 transitions, 1220 flow [2021-04-28 15:24:39,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-28 15:24:39,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-28 15:24:39,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1213 transitions. [2021-04-28 15:24:39,423 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7152122641509434 [2021-04-28 15:24:39,423 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1213 transitions. [2021-04-28 15:24:39,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1213 transitions. [2021-04-28 15:24:39,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:24:39,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1213 transitions. [2021-04-28 15:24:39,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 151.625) internal successors, (1213), 8 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:39,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 212.0) internal successors, (1908), 9 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:39,433 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 212.0) internal successors, (1908), 9 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:39,433 INFO L185 Difference]: Start difference. First operand has 95 places, 131 transitions, 745 flow. Second operand 8 states and 1213 transitions. [2021-04-28 15:24:39,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 175 transitions, 1220 flow [2021-04-28 15:24:39,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 175 transitions, 1212 flow, removed 4 selfloop flow, removed 0 redundant places. [2021-04-28 15:24:39,552 INFO L241 Difference]: Finished difference. Result has 105 places, 144 transitions, 982 flow [2021-04-28 15:24:39,552 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=737, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=982, PETRI_PLACES=105, PETRI_TRANSITIONS=144} [2021-04-28 15:24:39,552 INFO L343 CegarLoopForPetriNet]: 100 programPoint places, 5 predicate places. [2021-04-28 15:24:39,553 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:24:39,553 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 144 transitions, 982 flow [2021-04-28 15:24:39,553 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 144 transitions, 982 flow [2021-04-28 15:24:39,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 144 transitions, 982 flow [2021-04-28 15:24:40,969 INFO L129 PetriNetUnfolder]: 3501/13277 cut-off events. [2021-04-28 15:24:40,970 INFO L130 PetriNetUnfolder]: For 15492/16031 co-relation queries the response was YES. [2021-04-28 15:24:41,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30806 conditions, 13277 events. 3501/13277 cut-off events. For 15492/16031 co-relation queries the response was YES. Maximal size of possible extension queue 1781. Compared 189180 event pairs, 0 based on Foata normal form. 63/8707 useless extension candidates. Maximal degree in co-relation 25424. Up to 2662 conditions per place. [2021-04-28 15:24:41,216 INFO L146 LiptonReduction]: Number of co-enabled transitions 5014 [2021-04-28 15:24:41,233 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 15:24:41,233 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:24:41,233 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1680 [2021-04-28 15:24:41,235 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 144 transitions, 982 flow [2021-04-28 15:24:41,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 144.0) internal successors, (720), 5 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:41,236 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:24:41,236 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:24:41,236 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 15:24:41,236 INFO L428 AbstractCegarLoop]: === Iteration 6 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-28 15:24:41,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:24:41,237 INFO L82 PathProgramCache]: Analyzing trace with hash -594905415, now seen corresponding path program 1 times [2021-04-28 15:24:41,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:24:41,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429594598] [2021-04-28 15:24:41,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:24:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:24:41,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:41,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:24:41,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:41,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:41,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:41,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:41,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:41,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:41,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:24:41,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429594598] [2021-04-28 15:24:41,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:24:41,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 15:24:41,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088233179] [2021-04-28 15:24:41,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 15:24:41,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:24:41,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 15:24:41,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-28 15:24:41,291 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 212 [2021-04-28 15:24:41,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 144 transitions, 982 flow. Second operand has 5 states, 5 states have (on average 144.0) internal successors, (720), 5 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:41,292 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:24:41,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 212 [2021-04-28 15:24:41,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:24:43,356 INFO L129 PetriNetUnfolder]: 4542/16808 cut-off events. [2021-04-28 15:24:43,356 INFO L130 PetriNetUnfolder]: For 27689/28546 co-relation queries the response was YES. [2021-04-28 15:24:43,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44430 conditions, 16808 events. 4542/16808 cut-off events. For 27689/28546 co-relation queries the response was YES. Maximal size of possible extension queue 2180. Compared 239518 event pairs, 189 based on Foata normal form. 268/11819 useless extension candidates. Maximal degree in co-relation 37495. Up to 2737 conditions per place. [2021-04-28 15:24:43,603 INFO L132 encePairwiseOnDemand]: 202/212 looper letters, 64 selfloop transitions, 56 changer transitions 2/183 dead transitions. [2021-04-28 15:24:43,603 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 183 transitions, 1484 flow [2021-04-28 15:24:43,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-28 15:24:43,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-28 15:24:43,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1210 transitions. [2021-04-28 15:24:43,609 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7134433962264151 [2021-04-28 15:24:43,609 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1210 transitions. [2021-04-28 15:24:43,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1210 transitions. [2021-04-28 15:24:43,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:24:43,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1210 transitions. [2021-04-28 15:24:43,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 151.25) internal successors, (1210), 8 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:43,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 212.0) internal successors, (1908), 9 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:43,619 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 212.0) internal successors, (1908), 9 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:43,619 INFO L185 Difference]: Start difference. First operand has 105 places, 144 transitions, 982 flow. Second operand 8 states and 1210 transitions. [2021-04-28 15:24:43,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 183 transitions, 1484 flow [2021-04-28 15:24:43,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 183 transitions, 1474 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-04-28 15:24:43,811 INFO L241 Difference]: Finished difference. Result has 114 places, 157 transitions, 1264 flow [2021-04-28 15:24:43,812 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=973, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1264, PETRI_PLACES=114, PETRI_TRANSITIONS=157} [2021-04-28 15:24:43,812 INFO L343 CegarLoopForPetriNet]: 100 programPoint places, 14 predicate places. [2021-04-28 15:24:43,812 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:24:43,812 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 157 transitions, 1264 flow [2021-04-28 15:24:43,813 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 157 transitions, 1264 flow [2021-04-28 15:24:43,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 114 places, 157 transitions, 1264 flow [2021-04-28 15:24:44,989 INFO L129 PetriNetUnfolder]: 3039/12888 cut-off events. [2021-04-28 15:24:44,990 INFO L130 PetriNetUnfolder]: For 20052/20438 co-relation queries the response was YES. [2021-04-28 15:24:45,049 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31625 conditions, 12888 events. 3039/12888 cut-off events. For 20052/20438 co-relation queries the response was YES. Maximal size of possible extension queue 1857. Compared 189778 event pairs, 0 based on Foata normal form. 57/8722 useless extension candidates. Maximal degree in co-relation 26119. Up to 2230 conditions per place. [2021-04-28 15:24:45,295 INFO L146 LiptonReduction]: Number of co-enabled transitions 5326 [2021-04-28 15:24:45,309 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 15:24:45,309 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:24:45,309 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1497 [2021-04-28 15:24:45,311 INFO L480 AbstractCegarLoop]: Abstraction has has 114 places, 157 transitions, 1264 flow [2021-04-28 15:24:45,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 144.0) internal successors, (720), 5 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:45,311 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:24:45,311 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:24:45,312 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 15:24:45,312 INFO L428 AbstractCegarLoop]: === Iteration 7 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-28 15:24:45,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:24:45,312 INFO L82 PathProgramCache]: Analyzing trace with hash 761267143, now seen corresponding path program 1 times [2021-04-28 15:24:45,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:24:45,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707819180] [2021-04-28 15:24:45,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:24:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:24:45,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:45,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:45,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:45,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:45,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:45,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:45,386 INFO L142 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size [2021-04-28 15:24:45,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:24:45,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:45,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:24:45,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:24:45,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707819180] [2021-04-28 15:24:45,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:24:45,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 15:24:45,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742199366] [2021-04-28 15:24:45,408 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 15:24:45,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:24:45,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 15:24:45,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 15:24:45,411 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 212 [2021-04-28 15:24:45,412 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 157 transitions, 1264 flow. Second operand has 6 states, 6 states have (on average 139.83333333333334) internal successors, (839), 6 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:45,412 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:24:45,412 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 212 [2021-04-28 15:24:45,412 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:24:47,638 INFO L129 PetriNetUnfolder]: 4268/17835 cut-off events. [2021-04-28 15:24:47,638 INFO L130 PetriNetUnfolder]: For 20237/21279 co-relation queries the response was YES. [2021-04-28 15:24:47,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46237 conditions, 17835 events. 4268/17835 cut-off events. For 20237/21279 co-relation queries the response was YES. Maximal size of possible extension queue 2603. Compared 271127 event pairs, 0 based on Foata normal form. 682/12020 useless extension candidates. Maximal degree in co-relation 38339. Up to 3229 conditions per place. [2021-04-28 15:24:47,755 INFO L132 encePairwiseOnDemand]: 195/212 looper letters, 8 selfloop transitions, 37 changer transitions 26/175 dead transitions. [2021-04-28 15:24:47,755 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 175 transitions, 1384 flow [2021-04-28 15:24:47,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 15:24:47,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 15:24:47,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1030 transitions. [2021-04-28 15:24:47,760 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6940700808625337 [2021-04-28 15:24:47,760 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1030 transitions. [2021-04-28 15:24:47,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1030 transitions. [2021-04-28 15:24:47,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:24:47,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1030 transitions. [2021-04-28 15:24:47,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 147.14285714285714) internal successors, (1030), 7 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:47,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 212.0) internal successors, (1696), 8 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:47,770 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 212.0) internal successors, (1696), 8 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:47,770 INFO L185 Difference]: Start difference. First operand has 114 places, 157 transitions, 1264 flow. Second operand 7 states and 1030 transitions. [2021-04-28 15:24:47,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 175 transitions, 1384 flow [2021-04-28 15:24:47,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 175 transitions, 1375 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-04-28 15:24:47,951 INFO L241 Difference]: Finished difference. Result has 120 places, 149 transitions, 1153 flow [2021-04-28 15:24:47,952 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=1135, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1153, PETRI_PLACES=120, PETRI_TRANSITIONS=149} [2021-04-28 15:24:47,952 INFO L343 CegarLoopForPetriNet]: 100 programPoint places, 20 predicate places. [2021-04-28 15:24:47,952 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:24:47,952 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 149 transitions, 1153 flow [2021-04-28 15:24:47,953 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 149 transitions, 1153 flow [2021-04-28 15:24:47,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 149 transitions, 1153 flow [2021-04-28 15:24:49,508 INFO L129 PetriNetUnfolder]: 3533/15761 cut-off events. [2021-04-28 15:24:49,508 INFO L130 PetriNetUnfolder]: For 16540/16966 co-relation queries the response was YES. [2021-04-28 15:24:49,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39956 conditions, 15761 events. 3533/15761 cut-off events. For 16540/16966 co-relation queries the response was YES. Maximal size of possible extension queue 2255. Compared 242425 event pairs, 0 based on Foata normal form. 1/10081 useless extension candidates. Maximal degree in co-relation 32388. Up to 2406 conditions per place. [2021-04-28 15:24:49,706 INFO L146 LiptonReduction]: Number of co-enabled transitions 4856 [2021-04-28 15:24:49,718 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 15:24:49,719 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:24:49,719 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1767 [2021-04-28 15:24:49,720 INFO L480 AbstractCegarLoop]: Abstraction has has 119 places, 149 transitions, 1153 flow [2021-04-28 15:24:49,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 139.83333333333334) internal successors, (839), 6 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:49,721 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:24:49,721 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:24:49,721 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 15:24:49,721 INFO L428 AbstractCegarLoop]: === Iteration 8 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-28 15:24:49,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:24:49,722 INFO L82 PathProgramCache]: Analyzing trace with hash -745539179, now seen corresponding path program 2 times [2021-04-28 15:24:49,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:24:49,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480872567] [2021-04-28 15:24:49,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:24:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:24:49,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:49,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:49,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:49,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:49,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:49,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:49,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:49,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:24:49,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:24:49,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:24:49,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:24:49,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480872567] [2021-04-28 15:24:49,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:24:49,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 15:24:49,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662351045] [2021-04-28 15:24:49,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 15:24:49,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:24:49,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 15:24:49,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 15:24:49,794 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 212 [2021-04-28 15:24:49,795 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 149 transitions, 1153 flow. Second operand has 5 states, 5 states have (on average 153.0) internal successors, (765), 5 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:49,795 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:24:49,795 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 212 [2021-04-28 15:24:49,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:24:50,539 INFO L129 PetriNetUnfolder]: 762/5268 cut-off events. [2021-04-28 15:24:50,539 INFO L130 PetriNetUnfolder]: For 11185/11296 co-relation queries the response was YES. [2021-04-28 15:24:50,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16521 conditions, 5268 events. 762/5268 cut-off events. For 11185/11296 co-relation queries the response was YES. Maximal size of possible extension queue 679. Compared 72004 event pairs, 0 based on Foata normal form. 52/3971 useless extension candidates. Maximal degree in co-relation 14362. Up to 751 conditions per place. [2021-04-28 15:24:50,559 INFO L132 encePairwiseOnDemand]: 201/212 looper letters, 0 selfloop transitions, 0 changer transitions 93/93 dead transitions. [2021-04-28 15:24:50,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 93 transitions, 645 flow [2021-04-28 15:24:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 15:24:50,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 15:24:50,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 777 transitions. [2021-04-28 15:24:50,562 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7330188679245283 [2021-04-28 15:24:50,562 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 777 transitions. [2021-04-28 15:24:50,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 777 transitions. [2021-04-28 15:24:50,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:24:50,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 777 transitions. [2021-04-28 15:24:50,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 155.4) internal successors, (777), 5 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:50,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 212.0) internal successors, (1272), 6 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:50,568 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 212.0) internal successors, (1272), 6 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:50,568 INFO L185 Difference]: Start difference. First operand has 119 places, 149 transitions, 1153 flow. Second operand 5 states and 777 transitions. [2021-04-28 15:24:50,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 93 transitions, 645 flow [2021-04-28 15:24:50,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 93 transitions, 453 flow, removed 16 selfloop flow, removed 28 redundant places. [2021-04-28 15:24:50,601 INFO L241 Difference]: Finished difference. Result has 88 places, 0 transitions, 0 flow [2021-04-28 15:24:50,601 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=411, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=88, PETRI_TRANSITIONS=0} [2021-04-28 15:24:50,601 INFO L343 CegarLoopForPetriNet]: 100 programPoint places, -12 predicate places. [2021-04-28 15:24:50,601 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:24:50,601 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 0 transitions, 0 flow [2021-04-28 15:24:50,602 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 0 transitions, 0 flow [2021-04-28 15:24:50,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-04-28 15:24:50,602 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-04-28 15:24:50,602 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 15:24:50,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-04-28 15:24:50,602 INFO L146 LiptonReduction]: Number of co-enabled transitions 0 [2021-04-28 15:24:50,602 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 15:24:50,602 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:24:50,602 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-04-28 15:24:50,603 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-04-28 15:24:50,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 153.0) internal successors, (765), 5 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:24:50,604 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 15:24:50,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 03:24:50 BasicIcfg [2021-04-28 15:24:50,608 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 15:24:50,609 INFO L168 Benchmark]: Toolchain (without parser) took 55141.62 ms. Allocated memory was 304.1 MB in the beginning and 8.6 GB in the end (delta: 8.3 GB). Free memory was 278.4 MB in the beginning and 7.6 GB in the end (delta: -7.4 GB). Peak memory consumption was 972.5 MB. Max. memory is 16.0 GB. [2021-04-28 15:24:50,610 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 304.1 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 15:24:50,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 882.09 ms. Allocated memory is still 304.1 MB. Free memory was 275.2 MB in the beginning and 276.9 MB in the end (delta: -1.7 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.0 GB. [2021-04-28 15:24:50,610 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.75 ms. Allocated memory is still 304.1 MB. Free memory was 276.9 MB in the beginning and 274.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 15:24:50,611 INFO L168 Benchmark]: Boogie Preprocessor took 57.28 ms. Allocated memory is still 304.1 MB. Free memory was 274.8 MB in the beginning and 273.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 15:24:50,611 INFO L168 Benchmark]: RCFGBuilder took 703.16 ms. Allocated memory is still 304.1 MB. Free memory was 273.6 MB in the beginning and 242.4 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-04-28 15:24:50,611 INFO L168 Benchmark]: TraceAbstraction took 53351.24 ms. Allocated memory was 304.1 MB in the beginning and 8.6 GB in the end (delta: 8.3 GB). Free memory was 242.4 MB in the beginning and 7.6 GB in the end (delta: -7.4 GB). Peak memory consumption was 937.3 MB. Max. memory is 16.0 GB. [2021-04-28 15:24:50,613 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 304.1 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 882.09 ms. Allocated memory is still 304.1 MB. Free memory was 275.2 MB in the beginning and 276.9 MB in the end (delta: -1.7 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 95.75 ms. Allocated memory is still 304.1 MB. Free memory was 276.9 MB in the beginning and 274.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 57.28 ms. Allocated memory is still 304.1 MB. Free memory was 274.8 MB in the beginning and 273.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 703.16 ms. Allocated memory is still 304.1 MB. Free memory was 273.6 MB in the beginning and 242.4 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 53351.24 ms. Allocated memory was 304.1 MB in the beginning and 8.6 GB in the end (delta: 8.3 GB). Free memory was 242.4 MB in the beginning and 7.6 GB in the end (delta: -7.4 GB). Peak memory consumption was 937.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27035.9ms, 90 PlacesBefore, 100 PlacesAfterwards, 88 TransitionsBefore, 96 TransitionsAfterwards, 2808 CoEnabledTransitionPairs, 8 FixpointIterations, 71 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 104 TotalNumberOfCompositions, 20582 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5684, positive: 5284, positive conditional: 5284, positive unconditional: 0, negative: 400, negative conditional: 400, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1744, positive: 1689, positive conditional: 0, positive unconditional: 1689, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1744, positive: 1689, positive conditional: 0, positive unconditional: 1689, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1744, positive: 1669, positive conditional: 0, positive unconditional: 1669, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 556, positive: 128, positive conditional: 0, positive unconditional: 128, negative: 428, negative conditional: 0, negative unconditional: 428, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5684, positive: 3595, positive conditional: 3595, positive unconditional: 0, negative: 345, negative conditional: 345, negative unconditional: 0, unknown: 1744, unknown conditional: 1744, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1711, Positive cache size: 1658, Positive conditional cache size: 1658, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 323.4ms, 105 PlacesBefore, 77 PlacesAfterwards, 88 TransitionsBefore, 88 TransitionsAfterwards, 3880 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2167 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 215, positive: 179, positive conditional: 179, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 50, positive: 37, positive conditional: 11, positive unconditional: 26, negative: 13, negative conditional: 8, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 50, positive: 37, positive conditional: 11, positive unconditional: 26, negative: 13, negative conditional: 8, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 50, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 13, negative conditional: 8, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 92, negative conditional: 48, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 215, positive: 142, positive conditional: 142, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 50, unknown conditional: 50, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1761, Positive cache size: 1695, Positive conditional cache size: 1695, Positive unconditional cache size: 0, Negative cache size: 66, Negative conditional cache size: 66, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1111.8ms, 83 PlacesBefore, 83 PlacesAfterwards, 104 TransitionsBefore, 104 TransitionsAfterwards, 4944 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1218 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 119, positive: 98, positive conditional: 98, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 119, positive: 98, positive conditional: 98, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1761, Positive cache size: 1695, Positive conditional cache size: 1695, Positive unconditional cache size: 0, Negative cache size: 66, Negative conditional cache size: 66, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1450.8ms, 86 PlacesBefore, 85 PlacesAfterwards, 103 TransitionsBefore, 103 TransitionsAfterwards, 3934 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1034 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 95, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 95, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1770, Positive cache size: 1703, Positive conditional cache size: 1703, Positive unconditional cache size: 0, Negative cache size: 67, Negative conditional cache size: 67, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1727.9ms, 95 PlacesBefore, 95 PlacesAfterwards, 131 TransitionsBefore, 131 TransitionsAfterwards, 4700 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1770, Positive cache size: 1703, Positive conditional cache size: 1703, Positive unconditional cache size: 0, Negative cache size: 67, Negative conditional cache size: 67, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1680.0ms, 105 PlacesBefore, 105 PlacesAfterwards, 144 TransitionsBefore, 144 TransitionsAfterwards, 5014 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1770, Positive cache size: 1703, Positive conditional cache size: 1703, Positive unconditional cache size: 0, Negative cache size: 67, Negative conditional cache size: 67, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1496.7ms, 114 PlacesBefore, 114 PlacesAfterwards, 157 TransitionsBefore, 157 TransitionsAfterwards, 5326 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1770, Positive cache size: 1703, Positive conditional cache size: 1703, Positive unconditional cache size: 0, Negative cache size: 67, Negative conditional cache size: 67, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1766.2ms, 120 PlacesBefore, 119 PlacesAfterwards, 149 TransitionsBefore, 149 TransitionsAfterwards, 4856 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1770, Positive cache size: 1703, Positive conditional cache size: 1703, Positive unconditional cache size: 0, Negative cache size: 67, Negative conditional cache size: 67, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.8ms, 88 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1770, Positive cache size: 1703, Positive conditional cache size: 1703, Positive unconditional cache size: 0, Negative cache size: 67, Negative conditional cache size: 67, Negative unconditional cache size: 0 - PositiveResult [Line: 739]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 11.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 53152.7ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 15317.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 27214.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 128 SDtfs, 187 SDslu, 72 SDs, 0 SdLazy, 642 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 827.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 324.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1264occurred in iteration=6, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 33.0ms SsaConstructionTime, 179.6ms SatisfiabilityAnalysisTime, 567.6ms InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 234 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...