/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-OGIterative-Hitting.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 09:48:59,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 09:48:59,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 09:48:59,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 09:48:59,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 09:48:59,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 09:48:59,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 09:48:59,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 09:48:59,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 09:48:59,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 09:48:59,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 09:48:59,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 09:48:59,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 09:48:59,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 09:48:59,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 09:48:59,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 09:48:59,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 09:48:59,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 09:48:59,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 09:48:59,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 09:48:59,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 09:48:59,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 09:48:59,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 09:48:59,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 09:48:59,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 09:48:59,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-13 09:48:59,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-13 09:48:59,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-13 09:48:59,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-13 09:48:59,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-13 09:48:59,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-13 09:48:59,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-13 09:48:59,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-13 09:48:59,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 09:48:59,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 09:48:59,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 09:48:59,687 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-OGIterative-Hitting.epf [2021-08-13 09:48:59,705 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 09:48:59,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 09:48:59,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 09:48:59,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 09:48:59,707 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 09:48:59,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 09:48:59,708 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 09:48:59,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 09:48:59,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 09:48:59,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 09:48:59,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 09:48:59,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 09:48:59,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 09:48:59,709 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 09:48:59,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 09:48:59,710 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 09:48:59,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 09:48:59,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 09:48:59,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 09:48:59,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 09:48:59,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 09:48:59,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 09:48:59,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 09:48:59,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 09:48:59,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 09:48:59,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 09:48:59,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 09:48:59,713 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 09:48:59,713 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 09:48:59,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 09:48:59,713 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 09:48:59,713 INFO L138 SettingsManager]: * Use hitting sets in computation of OwickiGries annotation=true [2021-08-13 09:48:59,714 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 09:49:00,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 09:49:00,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 09:49:00,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 09:49:00,061 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-13 09:49:00,062 INFO L275 PluginConnector]: CDTParser initialized [2021-08-13 09:49:00,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2021-08-13 09:49:00,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f330bfe/f5d74bce356f4ed7a8c3216047124a8a/FLAG7ae1a4c0c [2021-08-13 09:49:00,514 INFO L306 CDTParser]: Found 1 translation units. [2021-08-13 09:49:00,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2021-08-13 09:49:00,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f330bfe/f5d74bce356f4ed7a8c3216047124a8a/FLAG7ae1a4c0c [2021-08-13 09:49:00,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f330bfe/f5d74bce356f4ed7a8c3216047124a8a [2021-08-13 09:49:00,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 09:49:00,897 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-13 09:49:00,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-13 09:49:00,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-13 09:49:00,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-13 09:49:00,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 09:49:00" (1/1) ... [2021-08-13 09:49:00,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c98735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:49:00, skipping insertion in model container [2021-08-13 09:49:00,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 09:49:00" (1/1) ... [2021-08-13 09:49:00,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-13 09:49:00,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-13 09:49:01,082 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-13 09:49:01,186 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i[31246,31259] [2021-08-13 09:49:01,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 09:49:01,198 INFO L203 MainTranslator]: Completed pre-run [2021-08-13 09:49:01,211 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-13 09:49:01,230 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i[31246,31259] [2021-08-13 09:49:01,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 09:49:01,349 INFO L208 MainTranslator]: Completed translation [2021-08-13 09:49:01,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:49:01 WrapperNode [2021-08-13 09:49:01,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-13 09:49:01,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 09:49:01,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 09:49:01,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 09:49:01,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:49:01" (1/1) ... [2021-08-13 09:49:01,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:49:01" (1/1) ... [2021-08-13 09:49:01,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 09:49:01,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 09:49:01,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 09:49:01,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 09:49:01,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:49:01" (1/1) ... [2021-08-13 09:49:01,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:49:01" (1/1) ... [2021-08-13 09:49:01,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:49:01" (1/1) ... [2021-08-13 09:49:01,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:49:01" (1/1) ... [2021-08-13 09:49:01,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:49:01" (1/1) ... [2021-08-13 09:49:01,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:49:01" (1/1) ... [2021-08-13 09:49:01,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:49:01" (1/1) ... [2021-08-13 09:49:01,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 09:49:01,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 09:49:01,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 09:49:01,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 09:49:01,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:49:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 09:49:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-13 09:49:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-13 09:49:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-13 09:49:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-08-13 09:49:01,476 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-08-13 09:49:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-13 09:49:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-13 09:49:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-13 09:49:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-13 09:49:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 09:49:01,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 09:49:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-08-13 09:49:01,477 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-08-13 09:49:01,478 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 09:49:01,867 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 09:49:01,868 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-13 09:49:01,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 09:49:01 BoogieIcfgContainer [2021-08-13 09:49:01,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 09:49:01,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 09:49:01,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 09:49:01,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 09:49:01,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 09:49:00" (1/3) ... [2021-08-13 09:49:01,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428a793c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 09:49:01, skipping insertion in model container [2021-08-13 09:49:01,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:49:01" (2/3) ... [2021-08-13 09:49:01,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428a793c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 09:49:01, skipping insertion in model container [2021-08-13 09:49:01,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 09:49:01" (3/3) ... [2021-08-13 09:49:01,876 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2021-08-13 09:49:01,883 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 09:49:01,884 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 09:49:01,884 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 09:49:01,917 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,918 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,918 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,918 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,918 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,919 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,919 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,919 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,919 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,919 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,919 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,920 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,920 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,920 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,920 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,920 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,921 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,921 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,921 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,921 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,921 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,921 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,922 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,922 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,922 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,922 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,922 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,922 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,923 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,923 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,923 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,923 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,923 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,923 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,924 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,924 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,924 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,924 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,925 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,925 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,925 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,925 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,925 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,925 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,925 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,926 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,926 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,926 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,926 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,926 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,926 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,927 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,927 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,927 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,927 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,927 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,928 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,928 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,928 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,928 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,928 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,928 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,929 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,929 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,929 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,929 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,929 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,929 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,930 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,930 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,930 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,930 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,930 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,930 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,931 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,931 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,931 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,931 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,931 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,931 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,932 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,932 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,932 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,932 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,932 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,933 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,933 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,933 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,933 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,933 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,933 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,933 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,933 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,934 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,934 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,934 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,934 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,934 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,934 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,935 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,936 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,937 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,937 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,937 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,937 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,937 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,937 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,938 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,938 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,940 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,940 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,940 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,940 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,940 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,941 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,942 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,942 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,943 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,943 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,943 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,943 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,944 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,944 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,945 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,945 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,945 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,945 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,945 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,945 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,946 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 09:49:01,966 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-08-13 09:49:01,985 INFO L255 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-08-13 09:49:02,001 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 09:49:02,002 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 09:49:02,002 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 09:49:02,002 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 09:49:02,002 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 09:49:02,002 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 09:49:02,002 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 09:49:02,002 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 09:49:02,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 120 transitions, 308 flow [2021-08-13 09:49:02,084 INFO L129 PetriNetUnfolder]: 19/154 cut-off events. [2021-08-13 09:49:02,084 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2021-08-13 09:49:02,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 154 events. 19/154 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 300 event pairs, 0 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 105. Up to 12 conditions per place. [2021-08-13 09:49:02,095 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 120 transitions, 308 flow [2021-08-13 09:49:02,100 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 100 transitions, 248 flow [2021-08-13 09:49:02,123 INFO L129 PetriNetUnfolder]: 1/53 cut-off events. [2021-08-13 09:49:02,124 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 09:49:02,124 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:49:02,125 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:49:02,125 INFO L430 AbstractCegarLoop]: === Iteration 1 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-13 09:49:02,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:49:02,132 INFO L82 PathProgramCache]: Analyzing trace with hash -576272667, now seen corresponding path program 1 times [2021-08-13 09:49:02,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:49:02,139 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97751378] [2021-08-13 09:49:02,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:49:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:49:02,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:02,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:02,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:02,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:02,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:02,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:02,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:02,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:02,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:02,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:02,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:02,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:49:02,378 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:49:02,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97751378] [2021-08-13 09:49:02,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97751378] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:49:02,379 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:49:02,379 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 09:49:02,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589025168] [2021-08-13 09:49:02,387 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 09:49:02,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:49:02,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 09:49:02,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 09:49:02,401 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 120 [2021-08-13 09:49:02,404 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 100 transitions, 248 flow. Second operand has 6 states, 6 states have (on average 103.5) internal successors, (621), 6 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:02,404 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:49:02,405 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 120 [2021-08-13 09:49:02,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:49:02,963 INFO L129 PetriNetUnfolder]: 706/2420 cut-off events. [2021-08-13 09:49:02,963 INFO L130 PetriNetUnfolder]: For 470/470 co-relation queries the response was YES. [2021-08-13 09:49:02,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3757 conditions, 2420 events. 706/2420 cut-off events. For 470/470 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 22265 event pairs, 137 based on Foata normal form. 108/2383 useless extension candidates. Maximal degree in co-relation 3078. Up to 388 conditions per place. [2021-08-13 09:49:02,993 INFO L132 encePairwiseOnDemand]: 109/120 looper letters, 45 selfloop transitions, 24 changer transitions 0/151 dead transitions. [2021-08-13 09:49:02,993 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 151 transitions, 488 flow [2021-08-13 09:49:02,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-13 09:49:02,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-08-13 09:49:03,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1103 transitions. [2021-08-13 09:49:03,012 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9191666666666667 [2021-08-13 09:49:03,013 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1103 transitions. [2021-08-13 09:49:03,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1103 transitions. [2021-08-13 09:49:03,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:49:03,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1103 transitions. [2021-08-13 09:49:03,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 110.3) internal successors, (1103), 10 states have internal predecessors, (1103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:03,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 120.0) internal successors, (1320), 11 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:03,034 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 120.0) internal successors, (1320), 11 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:03,035 INFO L348 CegarLoopForPetriNet]: 102 programPoint places, 9 predicate places. [2021-08-13 09:49:03,035 INFO L482 AbstractCegarLoop]: Abstraction has has 111 places, 151 transitions, 488 flow [2021-08-13 09:49:03,036 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 103.5) internal successors, (621), 6 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:03,036 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:49:03,036 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:49:03,037 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 09:49:03,037 INFO L430 AbstractCegarLoop]: === Iteration 2 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-13 09:49:03,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:49:03,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1367269262, now seen corresponding path program 1 times [2021-08-13 09:49:03,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:49:03,038 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310820032] [2021-08-13 09:49:03,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:49:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:49:03,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:03,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:03,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:03,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:03,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:03,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:03,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:03,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:03,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:49:03,144 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:49:03,144 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310820032] [2021-08-13 09:49:03,145 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310820032] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:49:03,145 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:49:03,145 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-13 09:49:03,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607615754] [2021-08-13 09:49:03,146 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 09:49:03,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:49:03,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 09:49:03,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 09:49:03,148 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 120 [2021-08-13 09:49:03,149 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 151 transitions, 488 flow. Second operand has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:03,149 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:49:03,149 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 120 [2021-08-13 09:49:03,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:49:04,136 INFO L129 PetriNetUnfolder]: 1837/7068 cut-off events. [2021-08-13 09:49:04,136 INFO L130 PetriNetUnfolder]: For 1404/1404 co-relation queries the response was YES. [2021-08-13 09:49:04,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11054 conditions, 7068 events. 1837/7068 cut-off events. For 1404/1404 co-relation queries the response was YES. Maximal size of possible extension queue 540. Compared 84272 event pairs, 329 based on Foata normal form. 17/6688 useless extension candidates. Maximal degree in co-relation 9357. Up to 810 conditions per place. [2021-08-13 09:49:04,202 INFO L132 encePairwiseOnDemand]: 113/120 looper letters, 8 selfloop transitions, 9 changer transitions 0/161 dead transitions. [2021-08-13 09:49:04,202 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 161 transitions, 542 flow [2021-08-13 09:49:04,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-13 09:49:04,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-13 09:49:04,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 463 transitions. [2021-08-13 09:49:04,206 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9645833333333333 [2021-08-13 09:49:04,206 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 463 transitions. [2021-08-13 09:49:04,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 463 transitions. [2021-08-13 09:49:04,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:49:04,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 463 transitions. [2021-08-13 09:49:04,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 115.75) internal successors, (463), 4 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:04,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:04,209 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:04,210 INFO L348 CegarLoopForPetriNet]: 102 programPoint places, 12 predicate places. [2021-08-13 09:49:04,210 INFO L482 AbstractCegarLoop]: Abstraction has has 114 places, 161 transitions, 542 flow [2021-08-13 09:49:04,210 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:04,211 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:49:04,211 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:49:04,211 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 09:49:04,211 INFO L430 AbstractCegarLoop]: === Iteration 3 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-13 09:49:04,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:49:04,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1770327572, now seen corresponding path program 2 times [2021-08-13 09:49:04,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:49:04,212 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836503896] [2021-08-13 09:49:04,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:49:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:49:04,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:04,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:04,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:04,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:04,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:04,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:04,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:49:04,296 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:49:04,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836503896] [2021-08-13 09:49:04,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836503896] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:49:04,297 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:49:04,297 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 09:49:04,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816489494] [2021-08-13 09:49:04,298 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-13 09:49:04,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:49:04,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-13 09:49:04,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-13 09:49:04,300 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 120 [2021-08-13 09:49:04,301 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 161 transitions, 542 flow. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:04,301 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:49:04,301 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 120 [2021-08-13 09:49:04,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:49:04,665 INFO L129 PetriNetUnfolder]: 683/2955 cut-off events. [2021-08-13 09:49:04,665 INFO L130 PetriNetUnfolder]: For 883/1056 co-relation queries the response was YES. [2021-08-13 09:49:04,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4841 conditions, 2955 events. 683/2955 cut-off events. For 883/1056 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 30649 event pairs, 63 based on Foata normal form. 68/2856 useless extension candidates. Maximal degree in co-relation 3820. Up to 370 conditions per place. [2021-08-13 09:49:04,693 INFO L132 encePairwiseOnDemand]: 114/120 looper letters, 7 selfloop transitions, 6 changer transitions 0/161 dead transitions. [2021-08-13 09:49:04,693 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 161 transitions, 568 flow [2021-08-13 09:49:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-13 09:49:04,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-13 09:49:04,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 344 transitions. [2021-08-13 09:49:04,695 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9555555555555556 [2021-08-13 09:49:04,695 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 344 transitions. [2021-08-13 09:49:04,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 344 transitions. [2021-08-13 09:49:04,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:49:04,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 344 transitions. [2021-08-13 09:49:04,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:04,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:04,697 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:04,697 INFO L348 CegarLoopForPetriNet]: 102 programPoint places, 14 predicate places. [2021-08-13 09:49:04,697 INFO L482 AbstractCegarLoop]: Abstraction has has 116 places, 161 transitions, 568 flow [2021-08-13 09:49:04,698 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:04,698 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:49:04,698 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:49:04,698 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 09:49:04,698 INFO L430 AbstractCegarLoop]: === Iteration 4 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-13 09:49:04,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:49:04,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1856661830, now seen corresponding path program 1 times [2021-08-13 09:49:04,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:49:04,699 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647835401] [2021-08-13 09:49:04,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:49:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:49:04,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:04,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:04,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:04,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:04,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:04,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:04,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:04,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:04,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:04,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:04,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:04,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:04,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:49:04,780 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:49:04,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647835401] [2021-08-13 09:49:04,781 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647835401] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:49:04,781 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:49:04,781 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 09:49:04,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329057463] [2021-08-13 09:49:04,781 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 09:49:04,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:49:04,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 09:49:04,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 09:49:04,784 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 120 [2021-08-13 09:49:04,784 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 161 transitions, 568 flow. Second operand has 6 states, 6 states have (on average 103.5) internal successors, (621), 6 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:04,784 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:49:04,784 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 120 [2021-08-13 09:49:04,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:49:05,386 INFO L129 PetriNetUnfolder]: 1035/4284 cut-off events. [2021-08-13 09:49:05,386 INFO L130 PetriNetUnfolder]: For 1671/1783 co-relation queries the response was YES. [2021-08-13 09:49:05,411 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7956 conditions, 4284 events. 1035/4284 cut-off events. For 1671/1783 co-relation queries the response was YES. Maximal size of possible extension queue 374. Compared 47059 event pairs, 109 based on Foata normal form. 24/4116 useless extension candidates. Maximal degree in co-relation 6572. Up to 552 conditions per place. [2021-08-13 09:49:05,430 INFO L132 encePairwiseOnDemand]: 111/120 looper letters, 69 selfloop transitions, 74 changer transitions 0/240 dead transitions. [2021-08-13 09:49:05,430 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 240 transitions, 1160 flow [2021-08-13 09:49:05,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-13 09:49:05,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-08-13 09:49:05,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1092 transitions. [2021-08-13 09:49:05,436 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.91 [2021-08-13 09:49:05,436 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1092 transitions. [2021-08-13 09:49:05,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1092 transitions. [2021-08-13 09:49:05,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:49:05,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1092 transitions. [2021-08-13 09:49:05,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 109.2) internal successors, (1092), 10 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:05,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 120.0) internal successors, (1320), 11 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:05,447 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 120.0) internal successors, (1320), 11 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:05,447 INFO L348 CegarLoopForPetriNet]: 102 programPoint places, 23 predicate places. [2021-08-13 09:49:05,447 INFO L482 AbstractCegarLoop]: Abstraction has has 125 places, 240 transitions, 1160 flow [2021-08-13 09:49:05,448 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 103.5) internal successors, (621), 6 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:05,448 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:49:05,448 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:49:05,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-13 09:49:05,449 INFO L430 AbstractCegarLoop]: === Iteration 5 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-13 09:49:05,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:49:05,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1814701574, now seen corresponding path program 1 times [2021-08-13 09:49:05,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:49:05,450 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095304502] [2021-08-13 09:49:05,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:49:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:49:05,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:05,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:05,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:05,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:05,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:05,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:05,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:05,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:05,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:05,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:05,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:05,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:05,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:49:05,498 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:49:05,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095304502] [2021-08-13 09:49:05,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095304502] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:49:05,499 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:49:05,499 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 09:49:05,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599219157] [2021-08-13 09:49:05,499 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 09:49:05,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:49:05,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 09:49:05,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 09:49:05,501 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 120 [2021-08-13 09:49:05,502 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 240 transitions, 1160 flow. Second operand has 6 states, 6 states have (on average 103.0) internal successors, (618), 6 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:05,502 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:49:05,502 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 120 [2021-08-13 09:49:05,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:49:06,053 INFO L129 PetriNetUnfolder]: 1034/4259 cut-off events. [2021-08-13 09:49:06,054 INFO L130 PetriNetUnfolder]: For 2321/2748 co-relation queries the response was YES. [2021-08-13 09:49:06,081 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8833 conditions, 4259 events. 1034/4259 cut-off events. For 2321/2748 co-relation queries the response was YES. Maximal size of possible extension queue 374. Compared 46858 event pairs, 97 based on Foata normal form. 48/4135 useless extension candidates. Maximal degree in co-relation 7442. Up to 552 conditions per place. [2021-08-13 09:49:06,106 INFO L132 encePairwiseOnDemand]: 111/120 looper letters, 94 selfloop transitions, 80 changer transitions 0/270 dead transitions. [2021-08-13 09:49:06,106 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 270 transitions, 1685 flow [2021-08-13 09:49:06,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-13 09:49:06,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-13 09:49:06,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 972 transitions. [2021-08-13 09:49:06,111 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9 [2021-08-13 09:49:06,111 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 972 transitions. [2021-08-13 09:49:06,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 972 transitions. [2021-08-13 09:49:06,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:49:06,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 972 transitions. [2021-08-13 09:49:06,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 108.0) internal successors, (972), 9 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:06,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 120.0) internal successors, (1200), 10 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:06,118 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 120.0) internal successors, (1200), 10 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:06,118 INFO L348 CegarLoopForPetriNet]: 102 programPoint places, 31 predicate places. [2021-08-13 09:49:06,118 INFO L482 AbstractCegarLoop]: Abstraction has has 133 places, 270 transitions, 1685 flow [2021-08-13 09:49:06,118 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 103.0) internal successors, (618), 6 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:06,119 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:49:06,119 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:49:06,119 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-13 09:49:06,119 INFO L430 AbstractCegarLoop]: === Iteration 6 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-13 09:49:06,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:49:06,120 INFO L82 PathProgramCache]: Analyzing trace with hash -936870230, now seen corresponding path program 1 times [2021-08-13 09:49:06,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:49:06,120 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181075567] [2021-08-13 09:49:06,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:49:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:49:06,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:06,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:06,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:06,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:06,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:06,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:06,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:06,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:06,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:06,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:06,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:06,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:06,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:49:06,186 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:49:06,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181075567] [2021-08-13 09:49:06,186 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181075567] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:49:06,186 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:49:06,186 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 09:49:06,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148206110] [2021-08-13 09:49:06,188 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 09:49:06,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:49:06,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 09:49:06,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 09:49:06,189 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 120 [2021-08-13 09:49:06,190 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 270 transitions, 1685 flow. Second operand has 6 states, 6 states have (on average 103.0) internal successors, (618), 6 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:06,190 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:49:06,190 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 120 [2021-08-13 09:49:06,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:49:06,791 INFO L129 PetriNetUnfolder]: 1057/4492 cut-off events. [2021-08-13 09:49:06,792 INFO L130 PetriNetUnfolder]: For 3584/4250 co-relation queries the response was YES. [2021-08-13 09:49:06,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10068 conditions, 4492 events. 1057/4492 cut-off events. For 3584/4250 co-relation queries the response was YES. Maximal size of possible extension queue 394. Compared 50125 event pairs, 74 based on Foata normal form. 35/4370 useless extension candidates. Maximal degree in co-relation 8552. Up to 586 conditions per place. [2021-08-13 09:49:06,840 INFO L132 encePairwiseOnDemand]: 111/120 looper letters, 109 selfloop transitions, 95 changer transitions 0/302 dead transitions. [2021-08-13 09:49:06,840 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 302 transitions, 2344 flow [2021-08-13 09:49:06,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-13 09:49:06,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-13 09:49:06,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 973 transitions. [2021-08-13 09:49:06,843 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9009259259259259 [2021-08-13 09:49:06,843 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 973 transitions. [2021-08-13 09:49:06,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 973 transitions. [2021-08-13 09:49:06,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:49:06,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 973 transitions. [2021-08-13 09:49:06,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 108.11111111111111) internal successors, (973), 9 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:06,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 120.0) internal successors, (1200), 10 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:06,847 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 120.0) internal successors, (1200), 10 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:06,848 INFO L348 CegarLoopForPetriNet]: 102 programPoint places, 39 predicate places. [2021-08-13 09:49:06,848 INFO L482 AbstractCegarLoop]: Abstraction has has 141 places, 302 transitions, 2344 flow [2021-08-13 09:49:06,848 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 103.0) internal successors, (618), 6 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:06,850 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:49:06,850 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:49:06,850 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-13 09:49:06,850 INFO L430 AbstractCegarLoop]: === Iteration 7 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-13 09:49:06,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:49:06,855 INFO L82 PathProgramCache]: Analyzing trace with hash -728342949, now seen corresponding path program 1 times [2021-08-13 09:49:06,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:49:06,856 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798975692] [2021-08-13 09:49:06,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:49:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:49:06,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:06,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:06,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:06,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:06,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:06,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:06,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:06,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:06,945 INFO L142 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size [2021-08-13 09:49:06,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 09:49:06,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:06,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:06,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:49:06,955 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:49:06,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798975692] [2021-08-13 09:49:06,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798975692] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:49:06,955 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:49:06,956 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 09:49:06,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795787356] [2021-08-13 09:49:06,956 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 09:49:06,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:49:06,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 09:49:06,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-13 09:49:06,957 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 120 [2021-08-13 09:49:06,958 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 302 transitions, 2344 flow. Second operand has 6 states, 6 states have (on average 109.0) internal successors, (654), 6 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:06,958 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:49:06,958 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 120 [2021-08-13 09:49:06,958 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:49:07,511 INFO L129 PetriNetUnfolder]: 961/4405 cut-off events. [2021-08-13 09:49:07,511 INFO L130 PetriNetUnfolder]: For 3241/3873 co-relation queries the response was YES. [2021-08-13 09:49:07,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10045 conditions, 4405 events. 961/4405 cut-off events. For 3241/3873 co-relation queries the response was YES. Maximal size of possible extension queue 426. Compared 50204 event pairs, 70 based on Foata normal form. 136/4374 useless extension candidates. Maximal degree in co-relation 8488. Up to 590 conditions per place. [2021-08-13 09:49:07,549 INFO L132 encePairwiseOnDemand]: 111/120 looper letters, 5 selfloop transitions, 23 changer transitions 0/276 dead transitions. [2021-08-13 09:49:07,550 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 276 transitions, 2100 flow [2021-08-13 09:49:07,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-13 09:49:07,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-08-13 09:49:07,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 786 transitions. [2021-08-13 09:49:07,552 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9357142857142857 [2021-08-13 09:49:07,552 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 786 transitions. [2021-08-13 09:49:07,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 786 transitions. [2021-08-13 09:49:07,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:49:07,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 786 transitions. [2021-08-13 09:49:07,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 112.28571428571429) internal successors, (786), 7 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:07,555 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 120.0) internal successors, (960), 8 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:07,555 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 120.0) internal successors, (960), 8 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:07,556 INFO L348 CegarLoopForPetriNet]: 102 programPoint places, 45 predicate places. [2021-08-13 09:49:07,556 INFO L482 AbstractCegarLoop]: Abstraction has has 147 places, 276 transitions, 2100 flow [2021-08-13 09:49:07,556 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 109.0) internal successors, (654), 6 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:07,556 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:49:07,556 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:49:07,556 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-13 09:49:07,557 INFO L430 AbstractCegarLoop]: === Iteration 8 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-13 09:49:07,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:49:07,557 INFO L82 PathProgramCache]: Analyzing trace with hash -113093841, now seen corresponding path program 2 times [2021-08-13 09:49:07,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:49:07,557 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983150468] [2021-08-13 09:49:07,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:49:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:49:07,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:07,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:07,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:07,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:07,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:07,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:07,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:07,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:07,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:07,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:49:07,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:49:07,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:49:07,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:49:07,607 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:49:07,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983150468] [2021-08-13 09:49:07,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983150468] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:49:07,607 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:49:07,608 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 09:49:07,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248553659] [2021-08-13 09:49:07,608 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 09:49:07,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:49:07,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 09:49:07,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-13 09:49:07,609 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 120 [2021-08-13 09:49:07,610 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 276 transitions, 2100 flow. Second operand has 5 states, 5 states have (on average 112.0) internal successors, (560), 5 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:07,610 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:49:07,610 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 120 [2021-08-13 09:49:07,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:49:08,086 INFO L129 PetriNetUnfolder]: 677/3209 cut-off events. [2021-08-13 09:49:08,086 INFO L130 PetriNetUnfolder]: For 2694/3154 co-relation queries the response was YES. [2021-08-13 09:49:08,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7802 conditions, 3209 events. 677/3209 cut-off events. For 2694/3154 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 33897 event pairs, 68 based on Foata normal form. 30/3152 useless extension candidates. Maximal degree in co-relation 6711. Up to 398 conditions per place. [2021-08-13 09:49:08,108 INFO L132 encePairwiseOnDemand]: 113/120 looper letters, 0 selfloop transitions, 0 changer transitions 222/222 dead transitions. [2021-08-13 09:49:08,108 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 222 transitions, 1662 flow [2021-08-13 09:49:08,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 09:49:08,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 09:49:08,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 574 transitions. [2021-08-13 09:49:08,110 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9566666666666667 [2021-08-13 09:49:08,110 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 574 transitions. [2021-08-13 09:49:08,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 574 transitions. [2021-08-13 09:49:08,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:49:08,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 574 transitions. [2021-08-13 09:49:08,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:08,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 120.0) internal successors, (720), 6 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) [2021-08-13 09:49:08,114 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 120.0) internal successors, (720), 6 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) [2021-08-13 09:49:08,114 INFO L348 CegarLoopForPetriNet]: 102 programPoint places, 44 predicate places. [2021-08-13 09:49:08,114 INFO L482 AbstractCegarLoop]: Abstraction has has 146 places, 222 transitions, 1662 flow [2021-08-13 09:49:08,114 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 112.0) internal successors, (560), 5 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 09:49:08,114 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown