/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 20:40:02,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 20:40:02,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 20:40:02,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 20:40:02,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 20:40:02,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 20:40:02,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 20:40:02,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 20:40:02,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 20:40:02,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 20:40:02,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 20:40:02,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 20:40:02,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 20:40:02,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 20:40:02,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 20:40:02,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 20:40:02,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 20:40:02,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 20:40:02,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 20:40:02,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 20:40:02,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 20:40:02,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 20:40:02,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 20:40:02,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 20:40:02,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 20:40:02,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 20:40:02,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 20:40:02,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 20:40:02,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 20:40:02,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 20:40:02,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 20:40:02,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 20:40:02,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 20:40:02,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 20:40:02,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 20:40:02,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 20:40:02,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 20:40:02,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 20:40:02,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 20:40:02,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 20:40:02,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 20:40:02,671 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2021-03-11 20:40:02,685 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 20:40:02,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 20:40:02,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 20:40:02,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 20:40:02,686 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 20:40:02,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 20:40:02,686 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 20:40:02,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 20:40:02,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 20:40:02,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 20:40:02,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 20:40:02,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 20:40:02,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 20:40:02,687 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 20:40:02,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 20:40:02,687 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 20:40:02,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 20:40:02,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 20:40:02,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 20:40:02,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 20:40:02,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 20:40:02,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 20:40:02,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 20:40:02,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 20:40:02,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 20:40:02,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 20:40:02,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 20:40:02,688 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 20:40:02,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 20:40:02,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 20:40:02,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 20:40:02,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 20:40:02,910 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 20:40:02,911 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 20:40:02,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2021-03-11 20:40:02,964 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51cd0249c/c9b8865301ef4bacbd530fd8fb20e245/FLAG92cac9f2e [2021-03-11 20:40:03,463 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 20:40:03,464 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2021-03-11 20:40:03,492 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51cd0249c/c9b8865301ef4bacbd530fd8fb20e245/FLAG92cac9f2e [2021-03-11 20:40:03,990 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51cd0249c/c9b8865301ef4bacbd530fd8fb20e245 [2021-03-11 20:40:03,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 20:40:03,995 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 20:40:03,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 20:40:03,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 20:40:03,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 20:40:04,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:40:03" (1/1) ... [2021-03-11 20:40:04,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50cba3b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:40:04, skipping insertion in model container [2021-03-11 20:40:04,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:40:03" (1/1) ... [2021-03-11 20:40:04,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 20:40:04,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 20:40:04,134 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-11 20:40:04,432 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i[75002,75015] [2021-03-11 20:40:04,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 20:40:04,450 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 20:40:04,457 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-11 20:40:04,475 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i[75002,75015] [2021-03-11 20:40:04,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 20:40:04,667 INFO L208 MainTranslator]: Completed translation [2021-03-11 20:40:04,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:40:04 WrapperNode [2021-03-11 20:40:04,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 20:40:04,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 20:40:04,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 20:40:04,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 20:40:04,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:40:04" (1/1) ... [2021-03-11 20:40:04,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:40:04" (1/1) ... [2021-03-11 20:40:04,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 20:40:04,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 20:40:04,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 20:40:04,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 20:40:04,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:40:04" (1/1) ... [2021-03-11 20:40:04,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:40:04" (1/1) ... [2021-03-11 20:40:04,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:40:04" (1/1) ... [2021-03-11 20:40:04,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:40:04" (1/1) ... [2021-03-11 20:40:04,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:40:04" (1/1) ... [2021-03-11 20:40:04,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:40:04" (1/1) ... [2021-03-11 20:40:04,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:40:04" (1/1) ... [2021-03-11 20:40:04,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 20:40:04,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 20:40:04,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 20:40:04,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 20:40:04,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:40:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 20:40:04,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-11 20:40:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 20:40:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 20:40:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 20:40:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-11 20:40:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 20:40:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 20:40:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-03-11 20:40:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-03-11 20:40:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 20:40:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 20:40:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 20:40:04,810 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 20:40:05,267 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 20:40:05,268 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2021-03-11 20:40:05,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:40:05 BoogieIcfgContainer [2021-03-11 20:40:05,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 20:40:05,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 20:40:05,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 20:40:05,272 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 20:40:05,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 08:40:03" (1/3) ... [2021-03-11 20:40:05,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@339f6392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:40:05, skipping insertion in model container [2021-03-11 20:40:05,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:40:04" (2/3) ... [2021-03-11 20:40:05,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@339f6392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:40:05, skipping insertion in model container [2021-03-11 20:40:05,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:40:05" (3/3) ... [2021-03-11 20:40:05,273 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2021-03-11 20:40:05,277 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 20:40:05,281 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-03-11 20:40:05,281 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 20:40:05,306 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,306 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,307 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,307 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,307 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,307 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,307 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,307 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,307 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,307 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,307 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,307 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,308 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,308 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,308 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,308 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,308 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,308 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,308 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,308 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,308 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,308 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,308 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,308 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,309 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,309 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,309 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,309 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,309 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,309 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,309 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,309 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,309 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,309 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,309 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,310 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,310 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,310 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,310 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,310 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,310 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,310 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,310 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,310 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,311 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,311 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,311 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,311 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,311 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,311 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,311 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,311 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,311 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,311 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,312 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,312 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,312 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,312 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,312 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,312 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,312 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,312 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,312 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,312 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,312 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,313 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,313 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,313 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,313 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,313 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,313 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,313 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,313 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,313 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,313 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,313 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,314 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,314 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,314 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,314 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,314 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,314 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,314 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,314 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,314 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,314 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,314 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,314 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,314 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,315 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,315 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,315 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,315 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,315 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,315 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,315 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,315 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,315 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,315 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,316 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,316 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,316 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,316 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,316 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,316 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,316 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,316 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,316 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,316 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,316 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,316 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,317 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,317 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,317 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,317 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,317 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,318 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,319 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,319 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,319 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,319 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,319 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,319 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,319 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,319 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,319 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,319 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,319 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,321 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,321 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,321 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,321 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,321 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,321 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,322 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,322 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,322 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,322 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,322 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,322 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:40:05,327 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-11 20:40:05,338 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-11 20:40:05,351 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 20:40:05,351 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 20:40:05,351 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 20:40:05,351 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 20:40:05,351 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 20:40:05,351 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 20:40:05,351 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 20:40:05,351 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 20:40:05,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 135 places, 137 transitions, 296 flow [2021-03-11 20:40:05,414 INFO L129 PetriNetUnfolder]: 9/177 cut-off events. [2021-03-11 20:40:05,414 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-11 20:40:05,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 177 events. 9/177 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 369 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 91. Up to 4 conditions per place. [2021-03-11 20:40:05,417 INFO L82 GeneralOperation]: Start removeDead. Operand has 135 places, 137 transitions, 296 flow [2021-03-11 20:40:05,425 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 125 transitions, 268 flow [2021-03-11 20:40:05,429 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 20:40:05,435 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 125 transitions, 268 flow [2021-03-11 20:40:05,436 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 125 transitions, 268 flow [2021-03-11 20:40:05,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 125 transitions, 268 flow [2021-03-11 20:40:05,457 INFO L129 PetriNetUnfolder]: 6/158 cut-off events. [2021-03-11 20:40:05,457 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-11 20:40:05,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 158 events. 6/158 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 299 event pairs, 0 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 81. Up to 4 conditions per place. [2021-03-11 20:40:05,459 INFO L116 LiptonReduction]: Number of co-enabled transitions 1700 [2021-03-11 20:40:27,961 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 6 [2021-03-11 20:40:42,670 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-03-11 20:41:03,730 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2021-03-11 20:41:11,100 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2021-03-11 20:41:11,322 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2021-03-11 20:41:12,112 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 145 [2021-03-11 20:41:12,504 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-03-11 20:41:13,264 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 145 [2021-03-11 20:41:13,609 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-03-11 20:41:13,849 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2021-03-11 20:41:13,961 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-11 20:41:14,224 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2021-03-11 20:41:14,330 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-11 20:41:14,876 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-03-11 20:41:15,236 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-03-11 20:41:15,524 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-03-11 20:41:15,816 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-03-11 20:41:16,618 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2021-03-11 20:41:17,365 WARN L205 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2021-03-11 20:41:18,150 WARN L205 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2021-03-11 20:41:18,892 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2021-03-11 20:41:18,905 INFO L131 LiptonReduction]: Checked pairs total: 3714 [2021-03-11 20:41:18,906 INFO L133 LiptonReduction]: Total number of compositions: 127 [2021-03-11 20:41:18,907 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73482 [2021-03-11 20:41:18,916 INFO L129 PetriNetUnfolder]: 0/8 cut-off events. [2021-03-11 20:41:18,916 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:41:18,916 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:41:18,916 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-03-11 20:41:18,917 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:41:18,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:41:18,922 INFO L82 PathProgramCache]: Analyzing trace with hash 14473088, now seen corresponding path program 1 times [2021-03-11 20:41:18,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:41:18,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175757164] [2021-03-11 20:41:18,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:41:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:41:19,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:41:19,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:41:19,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:41:19,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 20:41:19,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:41:19,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 20:41:19,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:41:19,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175757164] [2021-03-11 20:41:19,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:41:19,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 20:41:19,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471619880] [2021-03-11 20:41:19,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 20:41:19,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:41:19,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 20:41:19,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 20:41:19,233 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 264 [2021-03-11 20:41:19,237 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 29 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:19,237 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:41:19,237 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 264 [2021-03-11 20:41:19,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:41:19,381 INFO L129 PetriNetUnfolder]: 241/451 cut-off events. [2021-03-11 20:41:19,381 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-11 20:41:19,385 INFO L84 FinitePrefix]: Finished finitePrefix Result has 907 conditions, 451 events. 241/451 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2004 event pairs, 97 based on Foata normal form. 0/412 useless extension candidates. Maximal degree in co-relation 842. Up to 325 conditions per place. [2021-03-11 20:41:19,387 INFO L132 encePairwiseOnDemand]: 255/264 looper letters, 23 selfloop transitions, 7 changer transitions 0/37 dead transitions. [2021-03-11 20:41:19,387 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 37 transitions, 152 flow [2021-03-11 20:41:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 20:41:19,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 20:41:19,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 489 transitions. [2021-03-11 20:41:19,397 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6174242424242424 [2021-03-11 20:41:19,398 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 489 transitions. [2021-03-11 20:41:19,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 489 transitions. [2021-03-11 20:41:19,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:41:19,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 489 transitions. [2021-03-11 20:41:19,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:19,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 264.0) internal successors, (1056), 4 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:19,409 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 264.0) internal successors, (1056), 4 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:19,410 INFO L185 Difference]: Start difference. First operand has 31 places, 29 transitions, 76 flow. Second operand 3 states and 489 transitions. [2021-03-11 20:41:19,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 37 transitions, 152 flow [2021-03-11 20:41:19,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 37 transitions, 140 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-11 20:41:19,414 INFO L241 Difference]: Finished difference. Result has 31 places, 33 transitions, 112 flow [2021-03-11 20:41:19,415 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=31, PETRI_TRANSITIONS=33} [2021-03-11 20:41:19,415 INFO L335 CegarLoopForPetriNet]: 31 programPoint places, 0 predicate places. [2021-03-11 20:41:19,416 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 33 transitions, 112 flow [2021-03-11 20:41:19,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:19,416 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:41:19,416 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-03-11 20:41:19,416 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 20:41:19,416 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:41:19,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:41:19,417 INFO L82 PathProgramCache]: Analyzing trace with hash 448665935, now seen corresponding path program 1 times [2021-03-11 20:41:19,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:41:19,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508658584] [2021-03-11 20:41:19,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:41:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:41:19,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:41:19,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:41:19,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:41:19,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 20:41:19,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:41:19,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508658584] [2021-03-11 20:41:19,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:41:19,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 20:41:19,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174415570] [2021-03-11 20:41:19,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 20:41:19,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:41:19,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 20:41:19,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 20:41:19,473 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 264 [2021-03-11 20:41:19,473 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 33 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:19,473 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:41:19,473 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 264 [2021-03-11 20:41:19,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:41:19,572 INFO L129 PetriNetUnfolder]: 290/543 cut-off events. [2021-03-11 20:41:19,573 INFO L130 PetriNetUnfolder]: For 257/262 co-relation queries the response was YES. [2021-03-11 20:41:19,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1516 conditions, 543 events. 290/543 cut-off events. For 257/262 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2623 event pairs, 125 based on Foata normal form. 17/552 useless extension candidates. Maximal degree in co-relation 265. Up to 421 conditions per place. [2021-03-11 20:41:19,576 INFO L132 encePairwiseOnDemand]: 257/264 looper letters, 27 selfloop transitions, 9 changer transitions 2/45 dead transitions. [2021-03-11 20:41:19,576 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 45 transitions, 242 flow [2021-03-11 20:41:19,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 20:41:19,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 20:41:19,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 486 transitions. [2021-03-11 20:41:19,578 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6136363636363636 [2021-03-11 20:41:19,578 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 486 transitions. [2021-03-11 20:41:19,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 486 transitions. [2021-03-11 20:41:19,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:41:19,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 486 transitions. [2021-03-11 20:41:19,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:19,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 264.0) internal successors, (1056), 4 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:19,581 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 264.0) internal successors, (1056), 4 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:19,582 INFO L185 Difference]: Start difference. First operand has 31 places, 33 transitions, 112 flow. Second operand 3 states and 486 transitions. [2021-03-11 20:41:19,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 45 transitions, 242 flow [2021-03-11 20:41:19,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 45 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 20:41:19,584 INFO L241 Difference]: Finished difference. Result has 32 places, 39 transitions, 169 flow [2021-03-11 20:41:19,584 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=169, PETRI_PLACES=32, PETRI_TRANSITIONS=39} [2021-03-11 20:41:19,585 INFO L335 CegarLoopForPetriNet]: 31 programPoint places, 1 predicate places. [2021-03-11 20:41:19,585 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 39 transitions, 169 flow [2021-03-11 20:41:19,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:19,585 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:41:19,585 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:41:19,585 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 20:41:19,586 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:41:19,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:41:19,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1175797231, now seen corresponding path program 1 times [2021-03-11 20:41:19,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:41:19,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378460807] [2021-03-11 20:41:19,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:41:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:41:19,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:41:19,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:41:19,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:41:19,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:41:19,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:41:19,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:41:19,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:41:19,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378460807] [2021-03-11 20:41:19,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:41:19,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 20:41:19,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697437002] [2021-03-11 20:41:19,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 20:41:19,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:41:19,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 20:41:19,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 20:41:19,628 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 264 [2021-03-11 20:41:19,629 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 39 transitions, 169 flow. Second operand has 3 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:19,629 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:41:19,629 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 264 [2021-03-11 20:41:19,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:41:19,649 INFO L129 PetriNetUnfolder]: 5/39 cut-off events. [2021-03-11 20:41:19,649 INFO L130 PetriNetUnfolder]: For 14/28 co-relation queries the response was YES. [2021-03-11 20:41:19,649 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 39 events. 5/39 cut-off events. For 14/28 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 96 event pairs, 4 based on Foata normal form. 13/49 useless extension candidates. Maximal degree in co-relation 68. Up to 13 conditions per place. [2021-03-11 20:41:19,649 INFO L132 encePairwiseOnDemand]: 262/264 looper letters, 2 selfloop transitions, 1 changer transitions 0/21 dead transitions. [2021-03-11 20:41:19,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 21 transitions, 70 flow [2021-03-11 20:41:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 20:41:19,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 20:41:19,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 643 transitions. [2021-03-11 20:41:19,651 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8118686868686869 [2021-03-11 20:41:19,651 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 643 transitions. [2021-03-11 20:41:19,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 643 transitions. [2021-03-11 20:41:19,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:41:19,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 643 transitions. [2021-03-11 20:41:19,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:19,654 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 264.0) internal successors, (1056), 4 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:19,654 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 264.0) internal successors, (1056), 4 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:19,654 INFO L185 Difference]: Start difference. First operand has 32 places, 39 transitions, 169 flow. Second operand 3 states and 643 transitions. [2021-03-11 20:41:19,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 21 transitions, 70 flow [2021-03-11 20:41:19,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 21 transitions, 62 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-11 20:41:19,656 INFO L241 Difference]: Finished difference. Result has 26 places, 21 transitions, 58 flow [2021-03-11 20:41:19,656 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=58, PETRI_PLACES=26, PETRI_TRANSITIONS=21} [2021-03-11 20:41:19,656 INFO L335 CegarLoopForPetriNet]: 31 programPoint places, -5 predicate places. [2021-03-11 20:41:19,656 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 21 transitions, 58 flow [2021-03-11 20:41:19,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:19,656 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:41:19,656 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:41:19,657 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 20:41:19,657 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:41:19,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:41:19,657 INFO L82 PathProgramCache]: Analyzing trace with hash -226798559, now seen corresponding path program 1 times [2021-03-11 20:41:19,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:41:19,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66609420] [2021-03-11 20:41:19,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:41:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:41:19,792 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 20:41:19,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 20:41:19,810 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 20:41:19,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 20:41:19,822 INFO L142 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size [2021-03-11 20:41:19,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 20:41:19,834 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.9 percent of original size [2021-03-11 20:41:19,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 20:41:19,842 INFO L142 QuantifierPusher]: treesize reduction 10, result has 64.3 percent of original size [2021-03-11 20:41:19,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 20:41:19,852 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 20:41:19,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 20:41:19,863 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 20:41:19,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 20:41:19,864 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 20:41:19,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 20:41:19,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:41:19,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66609420] [2021-03-11 20:41:19,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:41:19,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 20:41:19,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258966344] [2021-03-11 20:41:19,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 20:41:19,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:41:19,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 20:41:19,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-11 20:41:19,877 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 264 [2021-03-11 20:41:19,878 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 21 transitions, 58 flow. Second operand has 8 states, 8 states have (on average 125.875) internal successors, (1007), 8 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:19,878 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:41:19,878 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 264 [2021-03-11 20:41:19,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:41:20,068 INFO L129 PetriNetUnfolder]: 75/194 cut-off events. [2021-03-11 20:41:20,068 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2021-03-11 20:41:20,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 442 conditions, 194 events. 75/194 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 819 event pairs, 12 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 437. Up to 65 conditions per place. [2021-03-11 20:41:20,069 INFO L132 encePairwiseOnDemand]: 255/264 looper letters, 25 selfloop transitions, 11 changer transitions 0/41 dead transitions. [2021-03-11 20:41:20,069 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 41 transitions, 183 flow [2021-03-11 20:41:20,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 20:41:20,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 20:41:20,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 905 transitions. [2021-03-11 20:41:20,071 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4897186147186147 [2021-03-11 20:41:20,071 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 905 transitions. [2021-03-11 20:41:20,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 905 transitions. [2021-03-11 20:41:20,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:41:20,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 905 transitions. [2021-03-11 20:41:20,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 129.28571428571428) internal successors, (905), 7 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:20,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 264.0) internal successors, (2112), 8 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:20,077 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 264.0) internal successors, (2112), 8 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:20,077 INFO L185 Difference]: Start difference. First operand has 26 places, 21 transitions, 58 flow. Second operand 7 states and 905 transitions. [2021-03-11 20:41:20,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 41 transitions, 183 flow [2021-03-11 20:41:20,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 41 transitions, 182 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 20:41:20,078 INFO L241 Difference]: Finished difference. Result has 32 places, 27 transitions, 109 flow [2021-03-11 20:41:20,079 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=109, PETRI_PLACES=32, PETRI_TRANSITIONS=27} [2021-03-11 20:41:20,079 INFO L335 CegarLoopForPetriNet]: 31 programPoint places, 1 predicate places. [2021-03-11 20:41:20,079 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 27 transitions, 109 flow [2021-03-11 20:41:20,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 125.875) internal successors, (1007), 8 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:20,079 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:41:20,079 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:41:20,080 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 20:41:20,080 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:41:20,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:41:20,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1031286337, now seen corresponding path program 2 times [2021-03-11 20:41:20,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:41:20,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279879882] [2021-03-11 20:41:20,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:41:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:41:20,185 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 20:41:20,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 20:41:20,194 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 20:41:20,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 20:41:20,203 INFO L142 QuantifierPusher]: treesize reduction 11, result has 59.3 percent of original size [2021-03-11 20:41:20,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 20:41:20,213 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-11 20:41:20,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 20:41:20,231 INFO L142 QuantifierPusher]: treesize reduction 16, result has 65.2 percent of original size [2021-03-11 20:41:20,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 20:41:20,240 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 20:41:20,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 20:41:20,252 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 20:41:20,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 20:41:20,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:41:20,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279879882] [2021-03-11 20:41:20,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:41:20,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 20:41:20,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387101085] [2021-03-11 20:41:20,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 20:41:20,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:41:20,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 20:41:20,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-11 20:41:20,265 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 264 [2021-03-11 20:41:20,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 27 transitions, 109 flow. Second operand has 8 states, 8 states have (on average 125.875) internal successors, (1007), 8 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:20,266 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:41:20,266 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 264 [2021-03-11 20:41:20,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:41:20,510 INFO L129 PetriNetUnfolder]: 110/291 cut-off events. [2021-03-11 20:41:20,511 INFO L130 PetriNetUnfolder]: For 185/189 co-relation queries the response was YES. [2021-03-11 20:41:20,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 804 conditions, 291 events. 110/291 cut-off events. For 185/189 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1436 event pairs, 8 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 798. Up to 113 conditions per place. [2021-03-11 20:41:20,513 INFO L132 encePairwiseOnDemand]: 256/264 looper letters, 40 selfloop transitions, 20 changer transitions 0/65 dead transitions. [2021-03-11 20:41:20,513 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 65 transitions, 398 flow [2021-03-11 20:41:20,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 20:41:20,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-11 20:41:20,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1040 transitions. [2021-03-11 20:41:20,515 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.49242424242424243 [2021-03-11 20:41:20,515 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1040 transitions. [2021-03-11 20:41:20,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1040 transitions. [2021-03-11 20:41:20,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:41:20,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1040 transitions. [2021-03-11 20:41:20,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 130.0) internal successors, (1040), 8 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:20,520 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 264.0) internal successors, (2376), 9 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:20,520 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 264.0) internal successors, (2376), 9 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:20,520 INFO L185 Difference]: Start difference. First operand has 32 places, 27 transitions, 109 flow. Second operand 8 states and 1040 transitions. [2021-03-11 20:41:20,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 65 transitions, 398 flow [2021-03-11 20:41:20,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 65 transitions, 394 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 20:41:20,523 INFO L241 Difference]: Finished difference. Result has 40 places, 39 transitions, 240 flow [2021-03-11 20:41:20,524 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=240, PETRI_PLACES=40, PETRI_TRANSITIONS=39} [2021-03-11 20:41:20,524 INFO L335 CegarLoopForPetriNet]: 31 programPoint places, 9 predicate places. [2021-03-11 20:41:20,524 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 39 transitions, 240 flow [2021-03-11 20:41:20,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 125.875) internal successors, (1007), 8 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:20,524 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:41:20,524 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:41:20,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 20:41:20,524 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:41:20,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:41:20,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1505739606, now seen corresponding path program 1 times [2021-03-11 20:41:20,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:41:20,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924504992] [2021-03-11 20:41:20,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:41:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:41:20,695 INFO L142 QuantifierPusher]: treesize reduction 18, result has 62.5 percent of original size [2021-03-11 20:41:20,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 20:41:20,705 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.7 percent of original size [2021-03-11 20:41:20,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 20:41:20,718 INFO L142 QuantifierPusher]: treesize reduction 18, result has 60.9 percent of original size [2021-03-11 20:41:20,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 20:41:20,731 INFO L142 QuantifierPusher]: treesize reduction 23, result has 59.6 percent of original size [2021-03-11 20:41:20,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 20:41:20,752 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.9 percent of original size [2021-03-11 20:41:20,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 20:41:20,770 INFO L142 QuantifierPusher]: treesize reduction 21, result has 62.5 percent of original size [2021-03-11 20:41:20,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 20:41:20,787 INFO L142 QuantifierPusher]: treesize reduction 21, result has 62.5 percent of original size [2021-03-11 20:41:20,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 20:41:20,806 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-03-11 20:41:20,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 20:41:20,835 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-03-11 20:41:20,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 20:41:20,837 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-11 20:41:20,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 20:41:20,857 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-03-11 20:41:20,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 20:41:20,885 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 20:41:20,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 20:41:20,901 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 20:41:20,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 20:41:20,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:41:20,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924504992] [2021-03-11 20:41:20,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:41:20,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 20:41:20,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214708804] [2021-03-11 20:41:20,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 20:41:20,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:41:20,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 20:41:20,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-11 20:41:20,919 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 264 [2021-03-11 20:41:20,920 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 39 transitions, 240 flow. Second operand has 14 states, 14 states have (on average 119.07142857142857) internal successors, (1667), 14 states have internal predecessors, (1667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:20,920 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:41:20,920 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 264 [2021-03-11 20:41:20,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:41:21,748 INFO L129 PetriNetUnfolder]: 151/407 cut-off events. [2021-03-11 20:41:21,749 INFO L130 PetriNetUnfolder]: For 704/710 co-relation queries the response was YES. [2021-03-11 20:41:21,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1391 conditions, 407 events. 151/407 cut-off events. For 704/710 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2352 event pairs, 48 based on Foata normal form. 3/406 useless extension candidates. Maximal degree in co-relation 1382. Up to 180 conditions per place. [2021-03-11 20:41:21,752 INFO L132 encePairwiseOnDemand]: 250/264 looper letters, 61 selfloop transitions, 29 changer transitions 11/106 dead transitions. [2021-03-11 20:41:21,752 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 106 transitions, 837 flow [2021-03-11 20:41:21,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 20:41:21,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-11 20:41:21,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1600 transitions. [2021-03-11 20:41:21,763 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4662004662004662 [2021-03-11 20:41:21,763 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1600 transitions. [2021-03-11 20:41:21,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1600 transitions. [2021-03-11 20:41:21,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:41:21,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1600 transitions. [2021-03-11 20:41:21,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 123.07692307692308) internal successors, (1600), 13 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:21,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 264.0) internal successors, (3696), 14 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:21,769 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 264.0) internal successors, (3696), 14 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:21,769 INFO L185 Difference]: Start difference. First operand has 40 places, 39 transitions, 240 flow. Second operand 13 states and 1600 transitions. [2021-03-11 20:41:21,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 106 transitions, 837 flow [2021-03-11 20:41:21,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 106 transitions, 831 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 20:41:21,773 INFO L241 Difference]: Finished difference. Result has 58 places, 67 transitions, 592 flow [2021-03-11 20:41:21,773 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=592, PETRI_PLACES=58, PETRI_TRANSITIONS=67} [2021-03-11 20:41:21,773 INFO L335 CegarLoopForPetriNet]: 31 programPoint places, 27 predicate places. [2021-03-11 20:41:21,773 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 67 transitions, 592 flow [2021-03-11 20:41:21,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 119.07142857142857) internal successors, (1667), 14 states have internal predecessors, (1667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:21,774 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:41:21,774 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:41:21,774 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 20:41:21,774 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:41:21,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:41:21,774 INFO L82 PathProgramCache]: Analyzing trace with hash -679917814, now seen corresponding path program 2 times [2021-03-11 20:41:21,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:41:21,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035712921] [2021-03-11 20:41:21,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:41:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:41:21,844 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.6 percent of original size [2021-03-11 20:41:21,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 20:41:21,855 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-03-11 20:41:21,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 20:41:21,870 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-03-11 20:41:21,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 20:41:21,886 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-03-11 20:41:21,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 20:41:21,901 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-11 20:41:21,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 20:41:21,919 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-03-11 20:41:21,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 20:41:21,936 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-11 20:41:21,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 20:41:21,959 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-03-11 20:41:21,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 20:41:21,978 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-11 20:41:21,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 20:41:21,998 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-11 20:41:21,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 20:41:21,999 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-03-11 20:41:22,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 20:41:22,028 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 20:41:22,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 20:41:22,044 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 20:41:22,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 20:41:22,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:41:22,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035712921] [2021-03-11 20:41:22,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:41:22,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 20:41:22,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438757821] [2021-03-11 20:41:22,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 20:41:22,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:41:22,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 20:41:22,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-11 20:41:22,062 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 264 [2021-03-11 20:41:22,063 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 67 transitions, 592 flow. Second operand has 14 states, 14 states have (on average 119.07142857142857) internal successors, (1667), 14 states have internal predecessors, (1667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:22,063 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:41:22,063 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 264 [2021-03-11 20:41:22,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:41:22,999 INFO L129 PetriNetUnfolder]: 218/588 cut-off events. [2021-03-11 20:41:22,999 INFO L130 PetriNetUnfolder]: For 2177/2185 co-relation queries the response was YES. [2021-03-11 20:41:23,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2589 conditions, 588 events. 218/588 cut-off events. For 2177/2185 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3811 event pairs, 37 based on Foata normal form. 1/586 useless extension candidates. Maximal degree in co-relation 2572. Up to 235 conditions per place. [2021-03-11 20:41:23,003 INFO L132 encePairwiseOnDemand]: 250/264 looper letters, 85 selfloop transitions, 71 changer transitions 0/161 dead transitions. [2021-03-11 20:41:23,003 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 161 transitions, 1750 flow [2021-03-11 20:41:23,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 20:41:23,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-11 20:41:23,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1723 transitions. [2021-03-11 20:41:23,007 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4661796536796537 [2021-03-11 20:41:23,007 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1723 transitions. [2021-03-11 20:41:23,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1723 transitions. [2021-03-11 20:41:23,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:41:23,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1723 transitions. [2021-03-11 20:41:23,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 123.07142857142857) internal successors, (1723), 14 states have internal predecessors, (1723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:23,015 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 264.0) internal successors, (3960), 15 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:23,017 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 264.0) internal successors, (3960), 15 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:23,017 INFO L185 Difference]: Start difference. First operand has 58 places, 67 transitions, 592 flow. Second operand 14 states and 1723 transitions. [2021-03-11 20:41:23,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 161 transitions, 1750 flow [2021-03-11 20:41:23,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 161 transitions, 1636 flow, removed 56 selfloop flow, removed 3 redundant places. [2021-03-11 20:41:23,026 INFO L241 Difference]: Finished difference. Result has 72 places, 126 transitions, 1425 flow [2021-03-11 20:41:23,027 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1425, PETRI_PLACES=72, PETRI_TRANSITIONS=126} [2021-03-11 20:41:23,027 INFO L335 CegarLoopForPetriNet]: 31 programPoint places, 41 predicate places. [2021-03-11 20:41:23,027 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 126 transitions, 1425 flow [2021-03-11 20:41:23,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 119.07142857142857) internal successors, (1667), 14 states have internal predecessors, (1667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:23,028 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:41:23,028 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:41:23,028 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 20:41:23,028 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:41:23,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:41:23,028 INFO L82 PathProgramCache]: Analyzing trace with hash -749467978, now seen corresponding path program 3 times [2021-03-11 20:41:23,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:41:23,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964812020] [2021-03-11 20:41:23,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:41:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:41:23,145 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-11 20:41:23,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 20:41:23,164 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-03-11 20:41:23,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 20:41:23,192 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.7 percent of original size [2021-03-11 20:41:23,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 20:41:23,210 INFO L142 QuantifierPusher]: treesize reduction 20, result has 65.5 percent of original size [2021-03-11 20:41:23,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 20:41:23,217 INFO L142 QuantifierPusher]: treesize reduction 20, result has 61.5 percent of original size [2021-03-11 20:41:23,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 20:41:23,233 INFO L142 QuantifierPusher]: treesize reduction 20, result has 61.5 percent of original size [2021-03-11 20:41:23,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 20:41:23,250 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.8 percent of original size [2021-03-11 20:41:23,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 20:41:23,270 INFO L142 QuantifierPusher]: treesize reduction 18, result has 65.4 percent of original size [2021-03-11 20:41:23,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 20:41:23,286 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-11 20:41:23,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 20:41:23,303 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-03-11 20:41:23,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 20:41:23,339 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 20:41:23,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 20:41:23,353 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 20:41:23,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 20:41:23,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:41:23,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964812020] [2021-03-11 20:41:23,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:41:23,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 20:41:23,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35973674] [2021-03-11 20:41:23,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 20:41:23,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:41:23,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 20:41:23,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-11 20:41:23,369 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 264 [2021-03-11 20:41:23,370 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 126 transitions, 1425 flow. Second operand has 13 states, 13 states have (on average 119.15384615384616) internal successors, (1549), 13 states have internal predecessors, (1549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:23,370 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:41:23,370 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 264 [2021-03-11 20:41:23,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:41:24,380 INFO L129 PetriNetUnfolder]: 267/745 cut-off events. [2021-03-11 20:41:24,380 INFO L130 PetriNetUnfolder]: For 4233/4241 co-relation queries the response was YES. [2021-03-11 20:41:24,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3687 conditions, 745 events. 267/745 cut-off events. For 4233/4241 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 5248 event pairs, 83 based on Foata normal form. 1/742 useless extension candidates. Maximal degree in co-relation 3664. Up to 253 conditions per place. [2021-03-11 20:41:24,385 INFO L132 encePairwiseOnDemand]: 252/264 looper letters, 146 selfloop transitions, 46 changer transitions 13/210 dead transitions. [2021-03-11 20:41:24,385 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 210 transitions, 2659 flow [2021-03-11 20:41:24,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 20:41:24,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-11 20:41:24,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1851 transitions. [2021-03-11 20:41:24,389 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4674242424242424 [2021-03-11 20:41:24,389 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1851 transitions. [2021-03-11 20:41:24,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1851 transitions. [2021-03-11 20:41:24,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:41:24,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1851 transitions. [2021-03-11 20:41:24,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 123.4) internal successors, (1851), 15 states have internal predecessors, (1851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:24,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 264.0) internal successors, (4224), 16 states have internal predecessors, (4224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:24,396 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 264.0) internal successors, (4224), 16 states have internal predecessors, (4224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:24,396 INFO L185 Difference]: Start difference. First operand has 72 places, 126 transitions, 1425 flow. Second operand 15 states and 1851 transitions. [2021-03-11 20:41:24,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 210 transitions, 2659 flow [2021-03-11 20:41:24,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 210 transitions, 2477 flow, removed 90 selfloop flow, removed 1 redundant places. [2021-03-11 20:41:24,411 INFO L241 Difference]: Finished difference. Result has 93 places, 150 transitions, 1758 flow [2021-03-11 20:41:24,411 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=1303, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1758, PETRI_PLACES=93, PETRI_TRANSITIONS=150} [2021-03-11 20:41:24,411 INFO L335 CegarLoopForPetriNet]: 31 programPoint places, 62 predicate places. [2021-03-11 20:41:24,411 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 150 transitions, 1758 flow [2021-03-11 20:41:24,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 119.15384615384616) internal successors, (1549), 13 states have internal predecessors, (1549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:41:24,412 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:41:24,412 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:41:24,412 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 20:41:24,412 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:41:24,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:41:24,412 INFO L82 PathProgramCache]: Analyzing trace with hash -2041788142, now seen corresponding path program 4 times [2021-03-11 20:41:24,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:41:24,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510936097] [2021-03-11 20:41:24,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:41:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 20:41:24,433 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 20:41:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 20:41:24,475 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 20:41:24,498 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 20:41:24,498 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 20:41:24,499 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 20:41:24,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 08:41:24 BasicIcfg [2021-03-11 20:41:24,537 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 20:41:24,537 INFO L168 Benchmark]: Toolchain (without parser) took 80544.71 ms. Allocated memory was 377.5 MB in the beginning and 459.3 MB in the end (delta: 81.8 MB). Free memory was 339.2 MB in the beginning and 415.7 MB in the end (delta: -76.5 MB). Peak memory consumption was 256.6 MB. Max. memory is 16.0 GB. [2021-03-11 20:41:24,538 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 377.5 MB. Free memory was 359.0 MB in the beginning and 358.9 MB in the end (delta: 78.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 20:41:24,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.07 ms. Allocated memory is still 377.5 MB. Free memory was 338.6 MB in the beginning and 334.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 87.2 MB. Max. memory is 16.0 GB. [2021-03-11 20:41:24,538 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.81 ms. Allocated memory is still 377.5 MB. Free memory was 334.1 MB in the beginning and 331.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 20:41:24,538 INFO L168 Benchmark]: Boogie Preprocessor took 41.86 ms. Allocated memory is still 377.5 MB. Free memory was 331.0 MB in the beginning and 328.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 20:41:24,538 INFO L168 Benchmark]: RCFGBuilder took 511.02 ms. Allocated memory is still 377.5 MB. Free memory was 328.9 MB in the beginning and 281.7 MB in the end (delta: 47.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. [2021-03-11 20:41:24,539 INFO L168 Benchmark]: TraceAbstraction took 79266.89 ms. Allocated memory was 377.5 MB in the beginning and 459.3 MB in the end (delta: 81.8 MB). Free memory was 281.7 MB in the beginning and 415.7 MB in the end (delta: -134.1 MB). Peak memory consumption was 197.4 MB. Max. memory is 16.0 GB. [2021-03-11 20:41:24,540 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 377.5 MB. Free memory was 359.0 MB in the beginning and 358.9 MB in the end (delta: 78.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 672.07 ms. Allocated memory is still 377.5 MB. Free memory was 338.6 MB in the beginning and 334.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 87.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 45.81 ms. Allocated memory is still 377.5 MB. Free memory was 334.1 MB in the beginning and 331.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 41.86 ms. Allocated memory is still 377.5 MB. Free memory was 331.0 MB in the beginning and 328.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 511.02 ms. Allocated memory is still 377.5 MB. Free memory was 328.9 MB in the beginning and 281.7 MB in the end (delta: 47.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 79266.89 ms. Allocated memory was 377.5 MB in the beginning and 459.3 MB in the end (delta: 81.8 MB). Free memory was 281.7 MB in the beginning and 415.7 MB in the end (delta: -134.1 MB). Peak memory consumption was 197.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 73469.5ms, 125 PlacesBefore, 31 PlacesAfterwards, 125 TransitionsBefore, 29 TransitionsAfterwards, 1700 CoEnabledTransitionPairs, 7 FixpointIterations, 69 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 12 ConcurrentYvCompositions, 2 ChoiceCompositions, 127 TotalNumberOfCompositions, 3714 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1732, positive: 1577, positive conditional: 0, positive unconditional: 1577, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1160, positive: 1118, positive conditional: 0, positive unconditional: 1118, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1160, positive: 1118, positive conditional: 0, positive unconditional: 1118, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 15, unknown conditional: 0, unknown unconditional: 15] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60480, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 558, negative conditional: 0, negative unconditional: 558, unknown: 59922, unknown conditional: 0, unknown unconditional: 59922] ], Cache Queries: [ total: 1732, positive: 459, positive conditional: 0, positive unconditional: 459, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 1160, unknown conditional: 0, unknown unconditional: 1160] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; [L1725] 0 return 0; [L1731] 0 int ret = my_drv_init(); [L1732] COND TRUE 0 ret==0 [L1733] 0 int probe_ret; [L1734] 0 struct my_data data; [L1704] 0 struct device *d = &data->dev; [L1706] 0 data->shared.a = 0 [L1707] 0 data->shared.b = 0 [L1708] 0 int res = __VERIFIER_nondet_int(); [L1709] COND FALSE 0 !(\read(res)) [L1711] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={7:24}, t1={9:0}, t2={8:0}] [L1689] 1 struct device *dev = (struct device*)arg; [L1690] 1 struct my_data *data; [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1693] 1 data->shared.a = 1 VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={9:0}, t2={8:0}] [L1712] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={9:0}, t2={8:0}] [L1713] 0 return 0; [L1735] 0 probe_ret = my_drv_probe(&data) [L1736] COND TRUE 0 probe_ret==0 [L1719] 0 void *status; [L1720] 0 \read(t1) VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={9:0}, t2={8:0}] [L1696] EXPR 1 data->shared.b [L1696] 1 int lb = data->shared.b; [L1689] 2 struct device *dev = (struct device*)arg; [L1690] 2 struct my_data *data; [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1693] 2 data->shared.a = 1 VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, lb=0, t1={9:0}, t2={8:0}] [L1696] EXPR 2 data->shared.b [L1696] 2 int lb = data->shared.b; [L1699] 1 data->shared.b = lb + 1 [L1701] 1 return 0; [L1720] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, lb=0, t1={9:0}, t2={8:0}] [L1721] 0 \read(t2) VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, lb=0, t1={9:0}, t2={8:0}] [L1699] 2 data->shared.b = lb + 1 [L1701] 2 return 0; [L1721] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, lb=0, t1={9:0}, t2={8:0}] [L1738] 0 data.shared.a [L1675] COND FALSE 0 !(!expression) [L1739] 0 data.shared.b [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, lb=0, t1={9:0}, t2={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 118 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 79150.9ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 3659.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 73562.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 80 SDtfs, 174 SDslu, 36 SDs, 0 SdLazy, 1672 SolverSat, 161 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1468.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 7 SyntacticMatches, 4 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 2050.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1758occurred in iteration=8, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 21.3ms SsaConstructionTime, 228.1ms SatisfiabilityAnalysisTime, 1390.5ms InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 2106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...