/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 01:26:56,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 01:26:56,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 01:26:56,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 01:26:56,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 01:26:56,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 01:26:56,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 01:26:56,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 01:26:56,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 01:26:56,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 01:26:56,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 01:26:56,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 01:26:56,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 01:26:56,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 01:26:56,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 01:26:56,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 01:26:56,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 01:26:56,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 01:26:56,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 01:26:56,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 01:26:56,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 01:26:56,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 01:26:56,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 01:26:56,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 01:26:56,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 01:26:56,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 01:26:56,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 01:26:56,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 01:26:56,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 01:26:56,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 01:26:56,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 01:26:56,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 01:26:56,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 01:26:56,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 01:26:56,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 01:26:56,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 01:26:56,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 01:26:56,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 01:26:56,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 01:26:56,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 01:26:56,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 01:26:56,333 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2021-03-11 01:26:56,346 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 01:26:56,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 01:26:56,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 01:26:56,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 01:26:56,348 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 01:26:56,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 01:26:56,348 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 01:26:56,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 01:26:56,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 01:26:56,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 01:26:56,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 01:26:56,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 01:26:56,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 01:26:56,349 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 01:26:56,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 01:26:56,349 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 01:26:56,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 01:26:56,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 01:26:56,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 01:26:56,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 01:26:56,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 01:26:56,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 01:26:56,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 01:26:56,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 01:26:56,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 01:26:56,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 01:26:56,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 01:26:56,350 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-11 01:26:56,351 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 01:26:56,351 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 01:26:56,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 01:26:56,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 01:26:56,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 01:26:56,556 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 01:26:56,556 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 01:26:56,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2021-03-11 01:26:56,608 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c8d49c79/3cc2c9cd8dfb4bde88d8103829d61bdf/FLAGca9a9afe2 [2021-03-11 01:26:56,992 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 01:26:56,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2021-03-11 01:26:57,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c8d49c79/3cc2c9cd8dfb4bde88d8103829d61bdf/FLAGca9a9afe2 [2021-03-11 01:26:57,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c8d49c79/3cc2c9cd8dfb4bde88d8103829d61bdf [2021-03-11 01:26:57,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 01:26:57,024 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 01:26:57,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 01:26:57,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 01:26:57,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 01:26:57,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 01:26:57" (1/1) ... [2021-03-11 01:26:57,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f846c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:57, skipping insertion in model container [2021-03-11 01:26:57,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 01:26:57" (1/1) ... [2021-03-11 01:26:57,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 01:26:57,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 01:26:57,237 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-11 01:26:57,340 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i[31244,31257] [2021-03-11 01:26:57,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 01:26:57,351 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 01:26:57,367 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-11 01:26:57,378 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i[31244,31257] [2021-03-11 01:26:57,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 01:26:57,417 INFO L208 MainTranslator]: Completed translation [2021-03-11 01:26:57,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:57 WrapperNode [2021-03-11 01:26:57,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 01:26:57,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 01:26:57,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 01:26:57,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 01:26:57,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:57" (1/1) ... [2021-03-11 01:26:57,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:57" (1/1) ... [2021-03-11 01:26:57,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 01:26:57,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 01:26:57,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 01:26:57,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 01:26:57,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:57" (1/1) ... [2021-03-11 01:26:57,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:57" (1/1) ... [2021-03-11 01:26:57,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:57" (1/1) ... [2021-03-11 01:26:57,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:57" (1/1) ... [2021-03-11 01:26:57,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:57" (1/1) ... [2021-03-11 01:26:57,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:57" (1/1) ... [2021-03-11 01:26:57,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:57" (1/1) ... [2021-03-11 01:26:57,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 01:26:57,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 01:26:57,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 01:26:57,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 01:26:57,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:57" (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 01:26:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 01:26:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 01:26:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-11 01:26:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-03-11 01:26:57,505 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-03-11 01:26:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 01:26:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 01:26:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 01:26:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 01:26:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 01:26:57,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 01:26:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-03-11 01:26:57,506 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-03-11 01:26:57,506 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 01:26:57,779 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 01:26:57,779 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-11 01:26:57,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 01:26:57 BoogieIcfgContainer [2021-03-11 01:26:57,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 01:26:57,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 01:26:57,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 01:26:57,783 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 01:26:57,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 01:26:57" (1/3) ... [2021-03-11 01:26:57,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508eafe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 01:26:57, skipping insertion in model container [2021-03-11 01:26:57,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:57" (2/3) ... [2021-03-11 01:26:57,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508eafe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 01:26:57, skipping insertion in model container [2021-03-11 01:26:57,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 01:26:57" (3/3) ... [2021-03-11 01:26:57,785 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-2.i [2021-03-11 01:26:57,788 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 01:26:57,793 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-11 01:26:57,793 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 01:26:57,852 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,853 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,853 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,853 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,853 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,853 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,853 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,853 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,854 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,854 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,854 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,854 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,854 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,854 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,854 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,854 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,855 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,855 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,855 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,855 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,855 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,855 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,855 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,855 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,855 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,856 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,856 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,856 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,856 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,856 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,856 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,856 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,856 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,857 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,857 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,857 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,857 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,857 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,857 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,857 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,858 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,858 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,858 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,858 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,858 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,858 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,858 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,858 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,858 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,858 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,859 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,859 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,859 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,859 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,859 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,859 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,859 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,859 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,860 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,860 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,860 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,860 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,860 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,860 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,860 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,860 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,860 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,861 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,861 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,861 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,861 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,861 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,861 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,861 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,861 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,862 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,862 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,862 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,862 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,862 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,862 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,862 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,862 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,862 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,863 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,863 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,863 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,863 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,863 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,863 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,863 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,863 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,864 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,864 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,864 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,864 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,864 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,864 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,864 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,864 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,864 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,865 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,865 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,865 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,865 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,865 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,865 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,865 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,868 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,868 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,868 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,869 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,869 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,869 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,871 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,871 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,871 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,871 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,872 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,872 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,872 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,872 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,872 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,874 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,874 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,874 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,875 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,875 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,875 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,876 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,877 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,877 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,877 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,877 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,877 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,877 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,878 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,878 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:57,897 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-03-11 01:26:57,909 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-11 01:26:57,929 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 01:26:57,930 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 01:26:57,930 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 01:26:57,930 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 01:26:57,930 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 01:26:57,930 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 01:26:57,930 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 01:26:57,930 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 01:26:57,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 110 transitions, 288 flow [2021-03-11 01:26:57,995 INFO L129 PetriNetUnfolder]: 19/144 cut-off events. [2021-03-11 01:26:57,996 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2021-03-11 01:26:58,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 144 events. 19/144 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 345 event pairs, 0 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 97. Up to 12 conditions per place. [2021-03-11 01:26:58,003 INFO L82 GeneralOperation]: Start removeDead. Operand has 109 places, 110 transitions, 288 flow [2021-03-11 01:26:58,007 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 92 places, 90 transitions, 228 flow [2021-03-11 01:26:58,025 INFO L129 PetriNetUnfolder]: 1/53 cut-off events. [2021-03-11 01:26:58,025 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-11 01:26:58,025 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 01:26:58,026 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 01:26:58,026 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 01:26:58,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 01:26:58,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1663789000, now seen corresponding path program 1 times [2021-03-11 01:26:58,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 01:26:58,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775215995] [2021-03-11 01:26:58,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 01:26:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 01:26:58,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:58,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:58,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:58,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:58,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:58,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:58,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:58,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:58,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:58,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:58,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:58,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:58,195 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 01:26:58,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775215995] [2021-03-11 01:26:58,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 01:26:58,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 01:26:58,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833282298] [2021-03-11 01:26:58,202 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 01:26:58,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 01:26:58,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 01:26:58,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 01:26:58,211 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 110 [2021-03-11 01:26:58,214 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 90 transitions, 228 flow. Second operand has 6 states, 6 states have (on average 91.5) internal successors, (549), 6 states have internal predecessors, (549), 0 states have call successors, (0), 0 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 01:26:58,214 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 01:26:58,214 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 110 [2021-03-11 01:26:58,215 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 01:26:58,670 INFO L129 PetriNetUnfolder]: 890/2833 cut-off events. [2021-03-11 01:26:58,670 INFO L130 PetriNetUnfolder]: For 495/495 co-relation queries the response was YES. [2021-03-11 01:26:58,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4476 conditions, 2833 events. 890/2833 cut-off events. For 495/495 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 26270 event pairs, 145 based on Foata normal form. 132/2830 useless extension candidates. Maximal degree in co-relation 3792. Up to 388 conditions per place. [2021-03-11 01:26:58,687 INFO L132 encePairwiseOnDemand]: 98/110 looper letters, 54 selfloop transitions, 32 changer transitions 0/156 dead transitions. [2021-03-11 01:26:58,687 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 156 transitions, 532 flow [2021-03-11 01:26:58,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 01:26:58,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-11 01:26:58,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1182 transitions. [2021-03-11 01:26:58,698 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8954545454545455 [2021-03-11 01:26:58,698 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1182 transitions. [2021-03-11 01:26:58,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1182 transitions. [2021-03-11 01:26:58,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 01:26:58,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1182 transitions. [2021-03-11 01:26:58,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 98.5) internal successors, (1182), 12 states have internal predecessors, (1182), 0 states have call successors, (0), 0 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 01:26:58,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 110.0) internal successors, (1430), 13 states have internal predecessors, (1430), 0 states have call successors, (0), 0 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 01:26:58,710 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 110.0) internal successors, (1430), 13 states have internal predecessors, (1430), 0 states have call successors, (0), 0 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 01:26:58,711 INFO L185 Difference]: Start difference. First operand has 92 places, 90 transitions, 228 flow. Second operand 12 states and 1182 transitions. [2021-03-11 01:26:58,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 156 transitions, 532 flow [2021-03-11 01:26:58,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 156 transitions, 500 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-11 01:26:58,721 INFO L241 Difference]: Finished difference. Result has 103 places, 123 transitions, 412 flow [2021-03-11 01:26:58,722 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=412, PETRI_PLACES=103, PETRI_TRANSITIONS=123} [2021-03-11 01:26:58,723 INFO L335 CegarLoopForPetriNet]: 92 programPoint places, 11 predicate places. [2021-03-11 01:26:58,723 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 123 transitions, 412 flow [2021-03-11 01:26:58,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 91.5) internal successors, (549), 6 states have internal predecessors, (549), 0 states have call successors, (0), 0 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 01:26:58,723 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 01:26:58,723 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 01:26:58,723 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 01:26:58,724 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 01:26:58,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 01:26:58,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1605139710, now seen corresponding path program 1 times [2021-03-11 01:26:58,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 01:26:58,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640503441] [2021-03-11 01:26:58,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 01:26:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 01:26:58,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:58,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:58,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:58,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:58,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:58,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:58,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:58,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:58,771 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 01:26:58,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640503441] [2021-03-11 01:26:58,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 01:26:58,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 01:26:58,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794799567] [2021-03-11 01:26:58,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 01:26:58,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 01:26:58,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 01:26:58,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 01:26:58,776 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 110 [2021-03-11 01:26:58,776 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 123 transitions, 412 flow. Second operand has 4 states, 4 states have (on average 99.75) internal successors, (399), 4 states have internal predecessors, (399), 0 states have call successors, (0), 0 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 01:26:58,776 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 01:26:58,776 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 110 [2021-03-11 01:26:58,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 01:26:59,207 INFO L129 PetriNetUnfolder]: 1056/4756 cut-off events. [2021-03-11 01:26:59,207 INFO L130 PetriNetUnfolder]: For 632/785 co-relation queries the response was YES. [2021-03-11 01:26:59,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6951 conditions, 4756 events. 1056/4756 cut-off events. For 632/785 co-relation queries the response was YES. Maximal size of possible extension queue 373. Compared 55656 event pairs, 89 based on Foata normal form. 96/4619 useless extension candidates. Maximal degree in co-relation 6425. Up to 538 conditions per place. [2021-03-11 01:26:59,238 INFO L132 encePairwiseOnDemand]: 103/110 looper letters, 23 selfloop transitions, 9 changer transitions 0/143 dead transitions. [2021-03-11 01:26:59,238 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 143 transitions, 538 flow [2021-03-11 01:26:59,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 01:26:59,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-11 01:26:59,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 421 transitions. [2021-03-11 01:26:59,240 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9568181818181818 [2021-03-11 01:26:59,240 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 421 transitions. [2021-03-11 01:26:59,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 421 transitions. [2021-03-11 01:26:59,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 01:26:59,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 421 transitions. [2021-03-11 01:26:59,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 0 states have call successors, (0), 0 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 01:26:59,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 110.0) internal successors, (550), 5 states have internal predecessors, (550), 0 states have call successors, (0), 0 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 01:26:59,242 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 110.0) internal successors, (550), 5 states have internal predecessors, (550), 0 states have call successors, (0), 0 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 01:26:59,242 INFO L185 Difference]: Start difference. First operand has 103 places, 123 transitions, 412 flow. Second operand 4 states and 421 transitions. [2021-03-11 01:26:59,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 143 transitions, 538 flow [2021-03-11 01:26:59,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 143 transitions, 538 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 01:26:59,256 INFO L241 Difference]: Finished difference. Result has 109 places, 131 transitions, 480 flow [2021-03-11 01:26:59,256 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=480, PETRI_PLACES=109, PETRI_TRANSITIONS=131} [2021-03-11 01:26:59,257 INFO L335 CegarLoopForPetriNet]: 92 programPoint places, 17 predicate places. [2021-03-11 01:26:59,257 INFO L480 AbstractCegarLoop]: Abstraction has has 109 places, 131 transitions, 480 flow [2021-03-11 01:26:59,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 99.75) internal successors, (399), 4 states have internal predecessors, (399), 0 states have call successors, (0), 0 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 01:26:59,257 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 01:26:59,257 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 01:26:59,257 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 01:26:59,258 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 01:26:59,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 01:26:59,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1916863806, now seen corresponding path program 2 times [2021-03-11 01:26:59,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 01:26:59,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243000586] [2021-03-11 01:26:59,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 01:26:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 01:26:59,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:59,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:59,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:59,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:59,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:59,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:59,330 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 01:26:59,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243000586] [2021-03-11 01:26:59,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 01:26:59,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 01:26:59,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47647164] [2021-03-11 01:26:59,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 01:26:59,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 01:26:59,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 01:26:59,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 01:26:59,334 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 110 [2021-03-11 01:26:59,334 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 131 transitions, 480 flow. Second operand has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 0 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 01:26:59,334 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 01:26:59,334 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 110 [2021-03-11 01:26:59,334 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 01:26:59,530 INFO L129 PetriNetUnfolder]: 409/2078 cut-off events. [2021-03-11 01:26:59,530 INFO L130 PetriNetUnfolder]: For 539/615 co-relation queries the response was YES. [2021-03-11 01:26:59,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3067 conditions, 2078 events. 409/2078 cut-off events. For 539/615 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 20746 event pairs, 6 based on Foata normal form. 57/2053 useless extension candidates. Maximal degree in co-relation 2878. Up to 282 conditions per place. [2021-03-11 01:26:59,544 INFO L132 encePairwiseOnDemand]: 104/110 looper letters, 5 selfloop transitions, 6 changer transitions 0/131 dead transitions. [2021-03-11 01:26:59,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 131 transitions, 502 flow [2021-03-11 01:26:59,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 01:26:59,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 01:26:59,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2021-03-11 01:26:59,546 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9515151515151515 [2021-03-11 01:26:59,546 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 314 transitions. [2021-03-11 01:26:59,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 314 transitions. [2021-03-11 01:26:59,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 01:26:59,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 314 transitions. [2021-03-11 01:26:59,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 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 01:26:59,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 0 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 01:26:59,547 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 0 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 01:26:59,548 INFO L185 Difference]: Start difference. First operand has 109 places, 131 transitions, 480 flow. Second operand 3 states and 314 transitions. [2021-03-11 01:26:59,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 131 transitions, 502 flow [2021-03-11 01:26:59,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 131 transitions, 502 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 01:26:59,553 INFO L241 Difference]: Finished difference. Result has 112 places, 131 transitions, 502 flow [2021-03-11 01:26:59,553 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=502, PETRI_PLACES=112, PETRI_TRANSITIONS=131} [2021-03-11 01:26:59,553 INFO L335 CegarLoopForPetriNet]: 92 programPoint places, 20 predicate places. [2021-03-11 01:26:59,553 INFO L480 AbstractCegarLoop]: Abstraction has has 112 places, 131 transitions, 502 flow [2021-03-11 01:26:59,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 0 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 01:26:59,554 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 01:26:59,554 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 01:26:59,554 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 01:26:59,554 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 01:26:59,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 01:26:59,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1484928555, now seen corresponding path program 1 times [2021-03-11 01:26:59,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 01:26:59,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787489181] [2021-03-11 01:26:59,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 01:26:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 01:26:59,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:59,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:59,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:59,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:59,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:59,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:59,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:59,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:59,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:59,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:59,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:59,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:59,600 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 01:26:59,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787489181] [2021-03-11 01:26:59,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 01:26:59,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 01:26:59,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580540550] [2021-03-11 01:26:59,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 01:26:59,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 01:26:59,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 01:26:59,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 01:26:59,602 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 110 [2021-03-11 01:26:59,603 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 131 transitions, 502 flow. Second operand has 6 states, 6 states have (on average 91.5) internal successors, (549), 6 states have internal predecessors, (549), 0 states have call successors, (0), 0 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 01:26:59,603 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 01:26:59,603 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 110 [2021-03-11 01:26:59,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 01:27:00,107 INFO L129 PetriNetUnfolder]: 987/3949 cut-off events. [2021-03-11 01:27:00,107 INFO L130 PetriNetUnfolder]: For 2271/2379 co-relation queries the response was YES. [2021-03-11 01:27:00,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7402 conditions, 3949 events. 987/3949 cut-off events. For 2271/2379 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 41738 event pairs, 76 based on Foata normal form. 40/3855 useless extension candidates. Maximal degree in co-relation 7032. Up to 476 conditions per place. [2021-03-11 01:27:00,138 INFO L132 encePairwiseOnDemand]: 100/110 looper letters, 83 selfloop transitions, 64 changer transitions 0/228 dead transitions. [2021-03-11 01:27:00,138 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 228 transitions, 1262 flow [2021-03-11 01:27:00,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 01:27:00,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-11 01:27:00,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1169 transitions. [2021-03-11 01:27:00,141 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8856060606060606 [2021-03-11 01:27:00,141 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1169 transitions. [2021-03-11 01:27:00,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1169 transitions. [2021-03-11 01:27:00,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 01:27:00,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1169 transitions. [2021-03-11 01:27:00,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 97.41666666666667) internal successors, (1169), 12 states have internal predecessors, (1169), 0 states have call successors, (0), 0 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 01:27:00,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 110.0) internal successors, (1430), 13 states have internal predecessors, (1430), 0 states have call successors, (0), 0 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 01:27:00,146 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 110.0) internal successors, (1430), 13 states have internal predecessors, (1430), 0 states have call successors, (0), 0 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 01:27:00,146 INFO L185 Difference]: Start difference. First operand has 112 places, 131 transitions, 502 flow. Second operand 12 states and 1169 transitions. [2021-03-11 01:27:00,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 228 transitions, 1262 flow [2021-03-11 01:27:00,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 228 transitions, 1250 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 01:27:00,160 INFO L241 Difference]: Finished difference. Result has 131 places, 186 transitions, 1054 flow [2021-03-11 01:27:00,160 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1054, PETRI_PLACES=131, PETRI_TRANSITIONS=186} [2021-03-11 01:27:00,160 INFO L335 CegarLoopForPetriNet]: 92 programPoint places, 39 predicate places. [2021-03-11 01:27:00,160 INFO L480 AbstractCegarLoop]: Abstraction has has 131 places, 186 transitions, 1054 flow [2021-03-11 01:27:00,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 91.5) internal successors, (549), 6 states have internal predecessors, (549), 0 states have call successors, (0), 0 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 01:27:00,162 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 01:27:00,162 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 01:27:00,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 01:27:00,162 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 01:27:00,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 01:27:00,163 INFO L82 PathProgramCache]: Analyzing trace with hash -153453842, now seen corresponding path program 1 times [2021-03-11 01:27:00,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 01:27:00,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141715208] [2021-03-11 01:27:00,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 01:27:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 01:27:00,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:00,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:27:00,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:00,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:27:00,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:00,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:27:00,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:00,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:27:00,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:00,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:27:00,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:00,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:27:00,223 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 01:27:00,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141715208] [2021-03-11 01:27:00,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 01:27:00,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 01:27:00,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248575762] [2021-03-11 01:27:00,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 01:27:00,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 01:27:00,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 01:27:00,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 01:27:00,225 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 110 [2021-03-11 01:27:00,225 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 186 transitions, 1054 flow. Second operand has 6 states, 6 states have (on average 91.0) internal successors, (546), 6 states have internal predecessors, (546), 0 states have call successors, (0), 0 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 01:27:00,225 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 01:27:00,225 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 110 [2021-03-11 01:27:00,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 01:27:00,691 INFO L129 PetriNetUnfolder]: 1071/4359 cut-off events. [2021-03-11 01:27:00,691 INFO L130 PetriNetUnfolder]: For 4195/4315 co-relation queries the response was YES. [2021-03-11 01:27:00,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9116 conditions, 4359 events. 1071/4359 cut-off events. For 4195/4315 co-relation queries the response was YES. Maximal size of possible extension queue 353. Compared 47467 event pairs, 75 based on Foata normal form. 84/4323 useless extension candidates. Maximal degree in co-relation 8715. Up to 532 conditions per place. [2021-03-11 01:27:00,723 INFO L132 encePairwiseOnDemand]: 100/110 looper letters, 91 selfloop transitions, 81 changer transitions 0/252 dead transitions. [2021-03-11 01:27:00,723 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 252 transitions, 1829 flow [2021-03-11 01:27:00,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 01:27:00,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-11 01:27:00,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1243 transitions. [2021-03-11 01:27:00,726 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8692307692307693 [2021-03-11 01:27:00,726 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1243 transitions. [2021-03-11 01:27:00,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1243 transitions. [2021-03-11 01:27:00,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 01:27:00,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1243 transitions. [2021-03-11 01:27:00,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 95.61538461538461) internal successors, (1243), 13 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:27:00,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 110.0) internal successors, (1540), 14 states have internal predecessors, (1540), 0 states have call successors, (0), 0 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 01:27:00,730 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 110.0) internal successors, (1540), 14 states have internal predecessors, (1540), 0 states have call successors, (0), 0 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 01:27:00,730 INFO L185 Difference]: Start difference. First operand has 131 places, 186 transitions, 1054 flow. Second operand 13 states and 1243 transitions. [2021-03-11 01:27:00,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 252 transitions, 1829 flow [2021-03-11 01:27:00,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 252 transitions, 1829 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 01:27:00,756 INFO L241 Difference]: Finished difference. Result has 147 places, 215 transitions, 1518 flow [2021-03-11 01:27:00,757 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=1054, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1518, PETRI_PLACES=147, PETRI_TRANSITIONS=215} [2021-03-11 01:27:00,757 INFO L335 CegarLoopForPetriNet]: 92 programPoint places, 55 predicate places. [2021-03-11 01:27:00,757 INFO L480 AbstractCegarLoop]: Abstraction has has 147 places, 215 transitions, 1518 flow [2021-03-11 01:27:00,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 91.0) internal successors, (546), 6 states have internal predecessors, (546), 0 states have call successors, (0), 0 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 01:27:00,757 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 01:27:00,757 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 01:27:00,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 01:27:00,757 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 01:27:00,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 01:27:00,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1930985810, now seen corresponding path program 1 times [2021-03-11 01:27:00,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 01:27:00,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667614052] [2021-03-11 01:27:00,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 01:27:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 01:27:00,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:00,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:27:00,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:00,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:27:00,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:00,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:27:00,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:00,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:27:00,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:00,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:27:00,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:00,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:27:00,785 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 01:27:00,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667614052] [2021-03-11 01:27:00,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 01:27:00,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 01:27:00,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785804320] [2021-03-11 01:27:00,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 01:27:00,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 01:27:00,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 01:27:00,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 01:27:00,787 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 110 [2021-03-11 01:27:00,788 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 215 transitions, 1518 flow. Second operand has 6 states, 6 states have (on average 91.0) internal successors, (546), 6 states have internal predecessors, (546), 0 states have call successors, (0), 0 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 01:27:00,788 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 01:27:00,788 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 110 [2021-03-11 01:27:00,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 01:27:01,289 INFO L129 PetriNetUnfolder]: 1186/4662 cut-off events. [2021-03-11 01:27:01,290 INFO L130 PetriNetUnfolder]: For 7130/7271 co-relation queries the response was YES. [2021-03-11 01:27:01,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10284 conditions, 4662 events. 1186/4662 cut-off events. For 7130/7271 co-relation queries the response was YES. Maximal size of possible extension queue 383. Compared 51065 event pairs, 76 based on Foata normal form. 92/4619 useless extension candidates. Maximal degree in co-relation 9618. Up to 578 conditions per place. [2021-03-11 01:27:01,333 INFO L132 encePairwiseOnDemand]: 100/110 looper letters, 109 selfloop transitions, 88 changer transitions 0/286 dead transitions. [2021-03-11 01:27:01,333 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 286 transitions, 2416 flow [2021-03-11 01:27:01,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 01:27:01,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-11 01:27:01,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1245 transitions. [2021-03-11 01:27:01,341 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8706293706293706 [2021-03-11 01:27:01,341 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1245 transitions. [2021-03-11 01:27:01,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1245 transitions. [2021-03-11 01:27:01,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 01:27:01,342 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1245 transitions. [2021-03-11 01:27:01,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 95.76923076923077) internal successors, (1245), 13 states have internal predecessors, (1245), 0 states have call successors, (0), 0 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 01:27:01,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 110.0) internal successors, (1540), 14 states have internal predecessors, (1540), 0 states have call successors, (0), 0 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 01:27:01,351 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 110.0) internal successors, (1540), 14 states have internal predecessors, (1540), 0 states have call successors, (0), 0 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 01:27:01,351 INFO L185 Difference]: Start difference. First operand has 147 places, 215 transitions, 1518 flow. Second operand 13 states and 1245 transitions. [2021-03-11 01:27:01,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 286 transitions, 2416 flow [2021-03-11 01:27:01,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 286 transitions, 2364 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-03-11 01:27:01,393 INFO L241 Difference]: Finished difference. Result has 161 places, 244 transitions, 1965 flow [2021-03-11 01:27:01,394 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=1473, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1965, PETRI_PLACES=161, PETRI_TRANSITIONS=244} [2021-03-11 01:27:01,394 INFO L335 CegarLoopForPetriNet]: 92 programPoint places, 69 predicate places. [2021-03-11 01:27:01,394 INFO L480 AbstractCegarLoop]: Abstraction has has 161 places, 244 transitions, 1965 flow [2021-03-11 01:27:01,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 91.0) internal successors, (546), 6 states have internal predecessors, (546), 0 states have call successors, (0), 0 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 01:27:01,394 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 01:27:01,394 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 01:27:01,394 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 01:27:01,394 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 01:27:01,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 01:27:01,395 INFO L82 PathProgramCache]: Analyzing trace with hash 316717725, now seen corresponding path program 1 times [2021-03-11 01:27:01,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 01:27:01,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801056775] [2021-03-11 01:27:01,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 01:27:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 01:27:01,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:01,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:27:01,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:01,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:27:01,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:01,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:27:01,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:01,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:27:01,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:01,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:27:01,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:01,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:27:01,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:01,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:27:01,461 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 01:27:01,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801056775] [2021-03-11 01:27:01,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 01:27:01,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 01:27:01,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613273478] [2021-03-11 01:27:01,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 01:27:01,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 01:27:01,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 01:27:01,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-11 01:27:01,463 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 110 [2021-03-11 01:27:01,464 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 244 transitions, 1965 flow. Second operand has 6 states, 6 states have (on average 96.66666666666667) internal successors, (580), 6 states have internal predecessors, (580), 0 states have call successors, (0), 0 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 01:27:01,464 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 01:27:01,464 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 110 [2021-03-11 01:27:01,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 01:27:02,025 INFO L129 PetriNetUnfolder]: 1195/5426 cut-off events. [2021-03-11 01:27:02,025 INFO L130 PetriNetUnfolder]: For 6686/6875 co-relation queries the response was YES. [2021-03-11 01:27:02,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10390 conditions, 5426 events. 1195/5426 cut-off events. For 6686/6875 co-relation queries the response was YES. Maximal size of possible extension queue 529. Compared 65027 event pairs, 31 based on Foata normal form. 85/5356 useless extension candidates. Maximal degree in co-relation 9734. Up to 802 conditions per place. [2021-03-11 01:27:02,072 INFO L132 encePairwiseOnDemand]: 102/110 looper letters, 53 selfloop transitions, 15 changer transitions 26/270 dead transitions. [2021-03-11 01:27:02,073 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 270 transitions, 2219 flow [2021-03-11 01:27:02,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 01:27:02,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 01:27:02,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 907 transitions. [2021-03-11 01:27:02,075 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9161616161616162 [2021-03-11 01:27:02,075 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 907 transitions. [2021-03-11 01:27:02,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 907 transitions. [2021-03-11 01:27:02,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 01:27:02,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 907 transitions. [2021-03-11 01:27:02,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 100.77777777777777) internal successors, (907), 9 states have internal predecessors, (907), 0 states have call successors, (0), 0 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 01:27:02,078 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 110.0) internal successors, (1100), 10 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 01:27:02,079 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 110.0) internal successors, (1100), 10 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 01:27:02,079 INFO L185 Difference]: Start difference. First operand has 161 places, 244 transitions, 1965 flow. Second operand 9 states and 907 transitions. [2021-03-11 01:27:02,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 270 transitions, 2219 flow [2021-03-11 01:27:02,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 270 transitions, 2105 flow, removed 14 selfloop flow, removed 4 redundant places. [2021-03-11 01:27:02,117 INFO L241 Difference]: Finished difference. Result has 169 places, 225 transitions, 1658 flow [2021-03-11 01:27:02,118 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=1603, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1658, PETRI_PLACES=169, PETRI_TRANSITIONS=225} [2021-03-11 01:27:02,118 INFO L335 CegarLoopForPetriNet]: 92 programPoint places, 77 predicate places. [2021-03-11 01:27:02,118 INFO L480 AbstractCegarLoop]: Abstraction has has 169 places, 225 transitions, 1658 flow [2021-03-11 01:27:02,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 96.66666666666667) internal successors, (580), 6 states have internal predecessors, (580), 0 states have call successors, (0), 0 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 01:27:02,118 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 01:27:02,118 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 01:27:02,118 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 01:27:02,118 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 01:27:02,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 01:27:02,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1885315355, now seen corresponding path program 2 times [2021-03-11 01:27:02,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 01:27:02,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745589534] [2021-03-11 01:27:02,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 01:27:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 01:27:02,147 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 01:27:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 01:27:02,162 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 01:27:02,183 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 01:27:02,183 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 01:27:02,184 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 01:27:02,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 01:27:02 BasicIcfg [2021-03-11 01:27:02,234 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 01:27:02,235 INFO L168 Benchmark]: Toolchain (without parser) took 5213.27 ms. Allocated memory was 367.0 MB in the beginning and 736.1 MB in the end (delta: 369.1 MB). Free memory was 330.6 MB in the beginning and 479.6 MB in the end (delta: -149.0 MB). Peak memory consumption was 219.3 MB. Max. memory is 16.0 GB. [2021-03-11 01:27:02,236 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 367.0 MB. Free memory was 348.4 MB in the beginning and 348.3 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 01:27:02,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.74 ms. Allocated memory is still 367.0 MB. Free memory was 330.0 MB in the beginning and 329.4 MB in the end (delta: 644.1 kB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. [2021-03-11 01:27:02,236 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.36 ms. Allocated memory is still 367.0 MB. Free memory was 329.4 MB in the beginning and 327.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 01:27:02,237 INFO L168 Benchmark]: Boogie Preprocessor took 12.33 ms. Allocated memory is still 367.0 MB. Free memory was 327.3 MB in the beginning and 326.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 01:27:02,237 INFO L168 Benchmark]: RCFGBuilder took 325.73 ms. Allocated memory is still 367.0 MB. Free memory was 326.2 MB in the beginning and 293.7 MB in the end (delta: 32.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-03-11 01:27:02,237 INFO L168 Benchmark]: TraceAbstraction took 4452.82 ms. Allocated memory was 367.0 MB in the beginning and 736.1 MB in the end (delta: 369.1 MB). Free memory was 292.7 MB in the beginning and 479.6 MB in the end (delta: -186.9 MB). Peak memory consumption was 181.1 MB. Max. memory is 16.0 GB. [2021-03-11 01:27:02,239 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 367.0 MB. Free memory was 348.4 MB in the beginning and 348.3 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 391.74 ms. Allocated memory is still 367.0 MB. Free memory was 330.0 MB in the beginning and 329.4 MB in the end (delta: 644.1 kB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.36 ms. Allocated memory is still 367.0 MB. Free memory was 329.4 MB in the beginning and 327.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.33 ms. Allocated memory is still 367.0 MB. Free memory was 327.3 MB in the beginning and 326.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 325.73 ms. Allocated memory is still 367.0 MB. Free memory was 326.2 MB in the beginning and 293.7 MB in the end (delta: 32.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4452.82 ms. Allocated memory was 367.0 MB in the beginning and 736.1 MB in the end (delta: 369.1 MB). Free memory was 292.7 MB in the beginning and 479.6 MB in the end (delta: -186.9 MB). Peak memory consumption was 181.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 738]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L704] 0 int w=0, r=0, x, y; VAL [r=0, w=0, x=0, y=0] [L748] 0 pthread_t t1, t2, t3, t4; VAL [r=0, w=0, x=0, y=0] [L749] FCALL, FORK 0 pthread_create(&t1, 0, writer, 0) VAL [r=0, w=0, x=0, y=0] [L750] FCALL, FORK 0 pthread_create(&t2, 0, reader, 0) VAL [r=0, w=0, x=0, y=0] [L724] 2 int l; VAL [r=0, w=0, x=0, y=0] [L725] CALL 2 __VERIFIER_atomic_take_read_lock() [L710] CALL 2 assume_abort_if_not(w==0) [L3] COND FALSE 2 !(!cond) [L710] RET 2 assume_abort_if_not(w==0) [L711] 2 r = r+1 [L725] RET 2 __VERIFIER_atomic_take_read_lock() [L727] 2 l = x VAL [r=1, w=0, x=0, y=0] [L730] 2 y = l VAL [r=1, w=0, x=0, y=0] [L733] 2 int ly = y; VAL [r=1, w=0, x=0, y=0] [L736] 2 int lx = x; VAL [r=1, w=0, x=0, y=0] [L738] COND FALSE 2 !(!(ly == lx)) VAL [r=1, w=0, x=0, y=0] [L740] 2 l = r-1 VAL [r=1, w=0, x=0, y=0] [L751] FCALL, FORK 0 pthread_create(&t3, 0, writer, 0) VAL [r=1, w=0, x=0, y=0] [L752] FCALL, FORK 0 pthread_create(&t4, 0, reader, 0) VAL [r=1, w=0, x=0, y=0] [L724] 4 int l; VAL [r=1, w=0, x=0, y=0] [L725] CALL 4 __VERIFIER_atomic_take_read_lock() [L710] CALL 4 assume_abort_if_not(w==0) [L3] COND FALSE 4 !(!cond) [L710] RET 4 assume_abort_if_not(w==0) [L711] 4 r = r+1 [L725] RET 4 __VERIFIER_atomic_take_read_lock() [L727] 4 l = x VAL [r=2, w=0, x=0, y=0] [L730] 4 y = l VAL [r=2, w=0, x=0, y=0] [L733] 4 int ly = y; VAL [r=2, w=0, x=0, y=0] [L743] 2 r = l VAL [r=0, w=0, x=0, y=0] [L714] CALL 1 __VERIFIER_atomic_take_write_lock() [L706] CALL 1 assume_abort_if_not(w==0 && r==0) [L3] COND FALSE 1 !(!cond) [L706] RET 1 assume_abort_if_not(w==0 && r==0) [L707] 1 w = 1 [L714] RET 1 __VERIFIER_atomic_take_write_lock() [L716] 1 x = 3 VAL [r=0, w=1, x=3, y=0] [L736] 4 int lx = x; VAL [r=0, w=1, x=3, y=0] [L738] COND TRUE 4 !(ly == lx) VAL [r=0, w=1, x=3, y=0] [L738] 4 reach_error() VAL [r=0, w=1, x=3, y=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 17.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 4258.6ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 3574.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 77.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 164 SDtfs, 276 SDslu, 215 SDs, 0 SdLazy, 616 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 263.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 255.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1965occurred in iteration=6, 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: 23.7ms SsaConstructionTime, 109.2ms SatisfiabilityAnalysisTime, 279.8ms InterpolantComputationTime, 320 NumberOfCodeBlocks, 320 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 263 ConstructedInterpolants, 0 QuantifiedInterpolants, 425 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...