/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-aed12abd52951161f3584c1e4a16827ff4d06934-aed12ab [2021-10-14 12:08:04,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-14 12:08:04,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-14 12:08:04,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-14 12:08:04,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-14 12:08:04,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-14 12:08:04,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-14 12:08:04,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-14 12:08:04,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-14 12:08:04,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-14 12:08:04,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-14 12:08:04,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-14 12:08:04,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-14 12:08:04,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-14 12:08:04,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-14 12:08:04,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-14 12:08:04,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-14 12:08:04,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-14 12:08:04,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-14 12:08:04,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-14 12:08:04,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-14 12:08:04,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-14 12:08:04,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-14 12:08:04,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-14 12:08:04,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-14 12:08:04,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-14 12:08:04,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-14 12:08:04,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-14 12:08:04,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-14 12:08:04,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-14 12:08:04,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-14 12:08:04,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-14 12:08:04,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-14 12:08:04,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-14 12:08:04,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-14 12:08:04,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-14 12:08:04,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-14 12:08:04,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-14 12:08:04,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-14 12:08:04,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-14 12:08:04,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-14 12:08:04,290 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 [2021-10-14 12:08:04,306 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-14 12:08:04,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-14 12:08:04,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-14 12:08:04,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-14 12:08:04,307 INFO L138 SettingsManager]: * Use SBE=true [2021-10-14 12:08:04,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-14 12:08:04,307 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-14 12:08:04,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-14 12:08:04,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-14 12:08:04,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-14 12:08:04,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-14 12:08:04,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-14 12:08:04,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-14 12:08:04,308 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-14 12:08:04,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-14 12:08:04,309 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-14 12:08:04,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-14 12:08:04,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-14 12:08:04,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-14 12:08:04,309 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-14 12:08:04,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-14 12:08:04,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-14 12:08:04,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-14 12:08:04,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-14 12:08:04,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-14 12:08:04,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-14 12:08:04,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-14 12:08:04,310 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-14 12:08:04,310 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-14 12:08:04,311 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-14 12:08:04,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-14 12:08:04,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-14 12:08:04,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-14 12:08:04,496 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-14 12:08:04,501 INFO L275 PluginConnector]: CDTParser initialized [2021-10-14 12:08:04,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2021-10-14 12:08:04,562 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f49234c71/053443a037984568aba7b3c92e8af6d1/FLAGbc2a40829 [2021-10-14 12:08:04,945 INFO L306 CDTParser]: Found 1 translation units. [2021-10-14 12:08:04,945 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2021-10-14 12:08:04,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f49234c71/053443a037984568aba7b3c92e8af6d1/FLAGbc2a40829 [2021-10-14 12:08:05,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f49234c71/053443a037984568aba7b3c92e8af6d1 [2021-10-14 12:08:05,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-14 12:08:05,364 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-14 12:08:05,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-14 12:08:05,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-14 12:08:05,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-14 12:08:05,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:08:05" (1/1) ... [2021-10-14 12:08:05,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@114efd8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:05, skipping insertion in model container [2021-10-14 12:08:05,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:08:05" (1/1) ... [2021-10-14 12:08:05,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-14 12:08:05,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-14 12:08:05,531 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-10-14 12:08:05,651 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i[31246,31259] [2021-10-14 12:08:05,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-14 12:08:05,666 INFO L203 MainTranslator]: Completed pre-run [2021-10-14 12:08:05,687 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-10-14 12:08:05,713 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i[31246,31259] [2021-10-14 12:08:05,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-14 12:08:05,742 INFO L208 MainTranslator]: Completed translation [2021-10-14 12:08:05,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:05 WrapperNode [2021-10-14 12:08:05,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-14 12:08:05,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-14 12:08:05,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-14 12:08:05,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-14 12:08:05,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:05" (1/1) ... [2021-10-14 12:08:05,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:05" (1/1) ... [2021-10-14 12:08:05,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-14 12:08:05,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-14 12:08:05,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-14 12:08:05,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-14 12:08:05,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:05" (1/1) ... [2021-10-14 12:08:05,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:05" (1/1) ... [2021-10-14 12:08:05,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:05" (1/1) ... [2021-10-14 12:08:05,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:05" (1/1) ... [2021-10-14 12:08:05,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:05" (1/1) ... [2021-10-14 12:08:05,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:05" (1/1) ... [2021-10-14 12:08:05,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:05" (1/1) ... [2021-10-14 12:08:05,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-14 12:08:05,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-14 12:08:05,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-14 12:08:05,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-14 12:08:05,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:05" (1/1) ... [2021-10-14 12:08:05,847 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-14 12:08:05,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-14 12:08:05,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-14 12:08:05,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-14 12:08:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-14 12:08:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-14 12:08:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-14 12:08:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-10-14 12:08:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-10-14 12:08:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-14 12:08:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-14 12:08:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-14 12:08:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-14 12:08:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-14 12:08:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-14 12:08:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-10-14 12:08:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-10-14 12:08:05,907 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-14 12:08:06,352 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-14 12:08:06,352 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-14 12:08:06,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:08:06 BoogieIcfgContainer [2021-10-14 12:08:06,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-14 12:08:06,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-14 12:08:06,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-14 12:08:06,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-14 12:08:06,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:08:05" (1/3) ... [2021-10-14 12:08:06,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44139dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:08:06, skipping insertion in model container [2021-10-14 12:08:06,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:05" (2/3) ... [2021-10-14 12:08:06,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44139dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:08:06, skipping insertion in model container [2021-10-14 12:08:06,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:08:06" (3/3) ... [2021-10-14 12:08:06,370 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2021-10-14 12:08:06,374 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-14 12:08:06,374 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-10-14 12:08:06,374 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-14 12:08:06,414 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,415 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,415 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,415 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,415 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,415 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,415 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,415 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,415 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,415 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,416 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,416 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,416 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,416 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,416 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,416 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,416 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,416 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,416 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,416 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,416 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,416 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,417 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,417 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,417 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,417 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,417 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,417 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,417 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,417 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,417 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,417 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,417 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,418 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,418 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,418 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,418 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,418 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,418 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,418 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,418 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,418 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,418 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,418 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,418 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,419 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,419 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,419 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,419 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,419 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,419 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,419 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,419 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,419 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,419 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,419 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,420 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,420 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,420 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,420 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,420 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,420 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,420 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,420 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,420 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,421 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,421 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,421 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,421 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,421 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,421 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,421 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,421 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,422 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,422 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,422 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,422 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,422 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,422 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,422 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,422 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,422 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,422 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,423 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,423 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,423 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,423 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,423 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,423 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,423 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,423 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,423 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,423 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,424 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,424 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,424 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,424 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,424 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,424 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,424 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,424 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,424 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,425 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,425 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,425 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,425 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,425 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,425 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,425 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,425 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,425 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,425 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,426 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,426 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,426 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,426 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,426 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,426 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,426 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,426 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,426 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,427 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,427 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,427 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,427 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,427 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,427 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,427 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,427 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,427 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,427 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,428 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,428 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,428 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,428 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,428 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,428 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,428 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,429 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,429 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,429 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,429 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,429 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,429 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,429 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,429 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,429 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,429 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,430 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,430 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,430 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,430 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,430 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,430 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,430 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,430 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,430 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,430 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,430 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,431 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,431 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,431 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,431 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,431 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,432 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,432 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,432 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,432 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,432 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,432 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,433 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,433 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,433 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,433 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,433 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,433 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,433 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,433 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,433 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,434 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,434 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,434 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,434 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,434 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,434 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,434 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,435 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,435 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,435 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,435 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,435 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,435 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,435 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,435 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,435 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,436 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,436 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,439 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,439 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,439 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,439 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,439 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,439 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,439 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,439 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,439 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,440 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,440 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,440 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,440 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,440 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,440 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,441 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,441 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,441 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,441 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,441 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,441 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,442 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,442 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,442 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,442 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,442 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,442 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,442 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,442 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,442 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,443 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,443 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,443 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,443 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,443 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,443 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,443 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,443 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,443 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,445 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,446 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,446 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,446 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,446 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,446 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,446 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,446 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,446 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,446 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,447 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,447 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,447 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,447 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,447 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,447 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,447 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,447 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,449 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,449 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,449 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,449 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,449 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,449 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,449 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,450 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,450 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,450 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,450 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,450 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,453 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,467 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,467 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,467 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,468 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,468 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,468 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,468 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,468 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,468 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,468 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,468 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,470 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,470 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,470 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,470 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,470 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,470 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,470 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,470 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,470 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,471 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,471 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,471 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,471 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,471 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,471 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_release_read_lock_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,471 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,471 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,471 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:06,478 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-10-14 12:08:06,526 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-14 12:08:06,538 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-14 12:08:06,538 INFO L340 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2021-10-14 12:08:06,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 161 places, 150 transitions, 332 flow [2021-10-14 12:08:06,611 INFO L129 PetriNetUnfolder]: 2/146 cut-off events. [2021-10-14 12:08:06,611 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-14 12:08:06,616 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 146 events. 2/146 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 165 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 96. Up to 2 conditions per place. [2021-10-14 12:08:06,616 INFO L82 GeneralOperation]: Start removeDead. Operand has 161 places, 150 transitions, 332 flow [2021-10-14 12:08:06,622 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 143 places, 132 transitions, 285 flow [2021-10-14 12:08:06,630 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-10-14 12:08:06,630 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-14 12:08:06,631 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-14 12:08:06,631 INFO L254 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] [2021-10-14 12:08:06,632 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 18 more)] === [2021-10-14 12:08:06,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 12:08:06,637 INFO L82 PathProgramCache]: Analyzing trace with hash 2030486101, now seen corresponding path program 1 times [2021-10-14 12:08:06,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 12:08:06,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499391693] [2021-10-14 12:08:06,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 12:08:06,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 12:08:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 12:08:06,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 12:08:06,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 12:08:06,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499391693] [2021-10-14 12:08:06,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499391693] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 12:08:06,806 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 12:08:06,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-14 12:08:06,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327225427] [2021-10-14 12:08:06,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-14 12:08:06,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 12:08:06,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-14 12:08:06,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-14 12:08:06,825 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 150 [2021-10-14 12:08:06,828 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 132 transitions, 285 flow. Second operand has 2 states, 2 states have (on average 138.5) internal successors, (277), 2 states have internal predecessors, (277), 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) [2021-10-14 12:08:06,828 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-14 12:08:06,828 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 150 [2021-10-14 12:08:06,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-14 12:08:06,855 INFO L129 PetriNetUnfolder]: 0/120 cut-off events. [2021-10-14 12:08:06,855 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-14 12:08:06,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 120 events. 0/120 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 125 event pairs, 0 based on Foata normal form. 12/128 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-10-14 12:08:06,857 INFO L132 encePairwiseOnDemand]: 138/150 looper letters, 0 selfloop transitions, 0 changer transitions 9/120 dead transitions. [2021-10-14 12:08:06,857 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 120 transitions, 261 flow [2021-10-14 12:08:06,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-14 12:08:06,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-14 12:08:06,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 288 transitions. [2021-10-14 12:08:06,865 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.96 [2021-10-14 12:08:06,865 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 288 transitions. [2021-10-14 12:08:06,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 288 transitions. [2021-10-14 12:08:06,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-14 12:08:06,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 288 transitions. [2021-10-14 12:08:06,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 144.0) internal successors, (288), 2 states have internal predecessors, (288), 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) [2021-10-14 12:08:06,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 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) [2021-10-14 12:08:06,883 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 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) [2021-10-14 12:08:06,884 INFO L186 Difference]: Start difference. First operand has 143 places, 132 transitions, 285 flow. Second operand 2 states and 288 transitions. [2021-10-14 12:08:06,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 120 transitions, 261 flow [2021-10-14 12:08:06,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 120 transitions, 248 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-10-14 12:08:06,889 INFO L242 Difference]: Finished difference. Result has 127 places, 111 transitions, 229 flow [2021-10-14 12:08:06,890 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=229, PETRI_PLACES=127, PETRI_TRANSITIONS=111} [2021-10-14 12:08:06,891 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, -16 predicate places. [2021-10-14 12:08:06,891 INFO L470 AbstractCegarLoop]: Abstraction has has 127 places, 111 transitions, 229 flow [2021-10-14 12:08:06,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 138.5) internal successors, (277), 2 states have internal predecessors, (277), 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) [2021-10-14 12:08:06,891 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-14 12:08:06,891 INFO L254 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] [2021-10-14 12:08:06,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-14 12:08:06,892 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting writerErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 18 more)] === [2021-10-14 12:08:06,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 12:08:06,892 INFO L82 PathProgramCache]: Analyzing trace with hash 962738776, now seen corresponding path program 1 times [2021-10-14 12:08:06,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 12:08:06,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061216391] [2021-10-14 12:08:06,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 12:08:06,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 12:08:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 12:08:06,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 12:08:06,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 12:08:06,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061216391] [2021-10-14 12:08:06,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061216391] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 12:08:06,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 12:08:06,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-14 12:08:06,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083938696] [2021-10-14 12:08:06,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-14 12:08:06,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 12:08:06,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-14 12:08:06,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 12:08:06,942 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 150 [2021-10-14 12:08:06,943 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 111 transitions, 229 flow. Second operand has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 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) [2021-10-14 12:08:06,943 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-14 12:08:06,943 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 150 [2021-10-14 12:08:06,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-14 12:08:07,124 INFO L129 PetriNetUnfolder]: 556/1371 cut-off events. [2021-10-14 12:08:07,124 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-14 12:08:07,132 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2220 conditions, 1371 events. 556/1371 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 9292 event pairs, 329 based on Foata normal form. 0/1183 useless extension candidates. Maximal degree in co-relation 2217. Up to 699 conditions per place. [2021-10-14 12:08:07,141 INFO L132 encePairwiseOnDemand]: 141/150 looper letters, 14 selfloop transitions, 8 changer transitions 0/120 dead transitions. [2021-10-14 12:08:07,142 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 120 transitions, 291 flow [2021-10-14 12:08:07,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-14 12:08:07,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-14 12:08:07,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 398 transitions. [2021-10-14 12:08:07,147 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8844444444444445 [2021-10-14 12:08:07,147 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 398 transitions. [2021-10-14 12:08:07,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 398 transitions. [2021-10-14 12:08:07,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-14 12:08:07,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 398 transitions. [2021-10-14 12:08:07,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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) [2021-10-14 12:08:07,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:08:07,154 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:08:07,154 INFO L186 Difference]: Start difference. First operand has 127 places, 111 transitions, 229 flow. Second operand 3 states and 398 transitions. [2021-10-14 12:08:07,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 120 transitions, 291 flow [2021-10-14 12:08:07,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 120 transitions, 291 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-14 12:08:07,158 INFO L242 Difference]: Finished difference. Result has 122 places, 118 transitions, 291 flow [2021-10-14 12:08:07,158 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=229, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=291, PETRI_PLACES=122, PETRI_TRANSITIONS=118} [2021-10-14 12:08:07,159 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, -21 predicate places. [2021-10-14 12:08:07,159 INFO L470 AbstractCegarLoop]: Abstraction has has 122 places, 118 transitions, 291 flow [2021-10-14 12:08:07,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 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) [2021-10-14 12:08:07,159 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-14 12:08:07,159 INFO L254 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] [2021-10-14 12:08:07,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-14 12:08:07,160 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting writerErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 18 more)] === [2021-10-14 12:08:07,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 12:08:07,160 INFO L82 PathProgramCache]: Analyzing trace with hash -20727057, now seen corresponding path program 1 times [2021-10-14 12:08:07,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 12:08:07,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16454423] [2021-10-14 12:08:07,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 12:08:07,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 12:08:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 12:08:07,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 12:08:07,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 12:08:07,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16454423] [2021-10-14 12:08:07,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16454423] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 12:08:07,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 12:08:07,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-14 12:08:07,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734857489] [2021-10-14 12:08:07,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-14 12:08:07,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 12:08:07,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-14 12:08:07,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 12:08:07,244 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 150 [2021-10-14 12:08:07,244 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 118 transitions, 291 flow. Second operand has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 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) [2021-10-14 12:08:07,244 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-14 12:08:07,244 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 150 [2021-10-14 12:08:07,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-14 12:08:07,359 INFO L129 PetriNetUnfolder]: 225/1102 cut-off events. [2021-10-14 12:08:07,359 INFO L130 PetriNetUnfolder]: For 68/68 co-relation queries the response was YES. [2021-10-14 12:08:07,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1741 conditions, 1102 events. 225/1102 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 8031 event pairs, 113 based on Foata normal form. 20/986 useless extension candidates. Maximal degree in co-relation 1736. Up to 341 conditions per place. [2021-10-14 12:08:07,366 INFO L132 encePairwiseOnDemand]: 144/150 looper letters, 3 selfloop transitions, 4 changer transitions 0/117 dead transitions. [2021-10-14 12:08:07,367 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 117 transitions, 299 flow [2021-10-14 12:08:07,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-14 12:08:07,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-14 12:08:07,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 404 transitions. [2021-10-14 12:08:07,368 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8977777777777778 [2021-10-14 12:08:07,368 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 404 transitions. [2021-10-14 12:08:07,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 404 transitions. [2021-10-14 12:08:07,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-14 12:08:07,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 404 transitions. [2021-10-14 12:08:07,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 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) [2021-10-14 12:08:07,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:08:07,371 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:08:07,371 INFO L186 Difference]: Start difference. First operand has 122 places, 118 transitions, 291 flow. Second operand 3 states and 404 transitions. [2021-10-14 12:08:07,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 117 transitions, 299 flow [2021-10-14 12:08:07,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 117 transitions, 285 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-14 12:08:07,379 INFO L242 Difference]: Finished difference. Result has 123 places, 117 transitions, 287 flow [2021-10-14 12:08:07,379 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=287, PETRI_PLACES=123, PETRI_TRANSITIONS=117} [2021-10-14 12:08:07,380 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, -20 predicate places. [2021-10-14 12:08:07,380 INFO L470 AbstractCegarLoop]: Abstraction has has 123 places, 117 transitions, 287 flow [2021-10-14 12:08:07,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 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) [2021-10-14 12:08:07,380 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-14 12:08:07,380 INFO L254 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] [2021-10-14 12:08:07,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-14 12:08:07,381 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting writerErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 18 more)] === [2021-10-14 12:08:07,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 12:08:07,381 INFO L82 PathProgramCache]: Analyzing trace with hash -425188387, now seen corresponding path program 2 times [2021-10-14 12:08:07,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 12:08:07,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382463983] [2021-10-14 12:08:07,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 12:08:07,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 12:08:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 12:08:07,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 12:08:07,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 12:08:07,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382463983] [2021-10-14 12:08:07,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382463983] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 12:08:07,504 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 12:08:07,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-14 12:08:07,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293404633] [2021-10-14 12:08:07,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-14 12:08:07,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 12:08:07,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-14 12:08:07,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-14 12:08:07,506 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 150 [2021-10-14 12:08:07,506 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 117 transitions, 287 flow. Second operand has 5 states, 5 states have (on average 128.8) internal successors, (644), 5 states have internal predecessors, (644), 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) [2021-10-14 12:08:07,506 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-14 12:08:07,506 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 150 [2021-10-14 12:08:07,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-14 12:08:07,660 INFO L129 PetriNetUnfolder]: 255/1197 cut-off events. [2021-10-14 12:08:07,660 INFO L130 PetriNetUnfolder]: For 141/183 co-relation queries the response was YES. [2021-10-14 12:08:07,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1936 conditions, 1197 events. 255/1197 cut-off events. For 141/183 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 8828 event pairs, 93 based on Foata normal form. 9/1058 useless extension candidates. Maximal degree in co-relation 1930. Up to 302 conditions per place. [2021-10-14 12:08:07,670 INFO L132 encePairwiseOnDemand]: 140/150 looper letters, 8 selfloop transitions, 12 changer transitions 0/127 dead transitions. [2021-10-14 12:08:07,671 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 127 transitions, 361 flow [2021-10-14 12:08:07,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-14 12:08:07,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-10-14 12:08:07,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 662 transitions. [2021-10-14 12:08:07,673 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8826666666666667 [2021-10-14 12:08:07,673 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 662 transitions. [2021-10-14 12:08:07,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 662 transitions. [2021-10-14 12:08:07,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-14 12:08:07,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 662 transitions. [2021-10-14 12:08:07,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 132.4) internal successors, (662), 5 states have internal predecessors, (662), 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) [2021-10-14 12:08:07,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 150.0) internal successors, (900), 6 states have internal predecessors, (900), 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) [2021-10-14 12:08:07,676 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 150.0) internal successors, (900), 6 states have internal predecessors, (900), 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) [2021-10-14 12:08:07,676 INFO L186 Difference]: Start difference. First operand has 123 places, 117 transitions, 287 flow. Second operand 5 states and 662 transitions. [2021-10-14 12:08:07,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 127 transitions, 361 flow [2021-10-14 12:08:07,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 127 transitions, 349 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-14 12:08:07,679 INFO L242 Difference]: Finished difference. Result has 127 places, 123 transitions, 338 flow [2021-10-14 12:08:07,679 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=279, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=338, PETRI_PLACES=127, PETRI_TRANSITIONS=123} [2021-10-14 12:08:07,679 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, -16 predicate places. [2021-10-14 12:08:07,680 INFO L470 AbstractCegarLoop]: Abstraction has has 127 places, 123 transitions, 338 flow [2021-10-14 12:08:07,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 128.8) internal successors, (644), 5 states have internal predecessors, (644), 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) [2021-10-14 12:08:07,680 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-14 12:08:07,680 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 12:08:07,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-14 12:08:07,681 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting writerErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 18 more)] === [2021-10-14 12:08:07,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 12:08:07,681 INFO L82 PathProgramCache]: Analyzing trace with hash -121626021, now seen corresponding path program 1 times [2021-10-14 12:08:07,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 12:08:07,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349475369] [2021-10-14 12:08:07,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 12:08:07,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 12:08:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 12:08:07,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 12:08:07,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 12:08:07,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349475369] [2021-10-14 12:08:07,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349475369] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 12:08:07,731 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 12:08:07,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-14 12:08:07,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496848012] [2021-10-14 12:08:07,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-14 12:08:07,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 12:08:07,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-14 12:08:07,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 12:08:07,733 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 150 [2021-10-14 12:08:07,733 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 123 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 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) [2021-10-14 12:08:07,733 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-14 12:08:07,733 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 150 [2021-10-14 12:08:07,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-14 12:08:07,912 INFO L129 PetriNetUnfolder]: 294/1453 cut-off events. [2021-10-14 12:08:07,913 INFO L130 PetriNetUnfolder]: For 233/350 co-relation queries the response was YES. [2021-10-14 12:08:07,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2682 conditions, 1453 events. 294/1453 cut-off events. For 233/350 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 11412 event pairs, 122 based on Foata normal form. 0/1277 useless extension candidates. Maximal degree in co-relation 2674. Up to 468 conditions per place. [2021-10-14 12:08:07,922 INFO L132 encePairwiseOnDemand]: 142/150 looper letters, 17 selfloop transitions, 7 changer transitions 0/129 dead transitions. [2021-10-14 12:08:07,923 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 129 transitions, 406 flow [2021-10-14 12:08:07,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-14 12:08:07,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-14 12:08:07,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 395 transitions. [2021-10-14 12:08:07,924 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8777777777777778 [2021-10-14 12:08:07,924 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 395 transitions. [2021-10-14 12:08:07,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 395 transitions. [2021-10-14 12:08:07,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-14 12:08:07,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 395 transitions. [2021-10-14 12:08:07,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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) [2021-10-14 12:08:07,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:08:07,926 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:08:07,926 INFO L186 Difference]: Start difference. First operand has 127 places, 123 transitions, 338 flow. Second operand 3 states and 395 transitions. [2021-10-14 12:08:07,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 129 transitions, 406 flow [2021-10-14 12:08:07,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 129 transitions, 395 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-10-14 12:08:07,930 INFO L242 Difference]: Finished difference. Result has 130 places, 129 transitions, 389 flow [2021-10-14 12:08:07,930 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=389, PETRI_PLACES=130, PETRI_TRANSITIONS=129} [2021-10-14 12:08:07,930 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, -13 predicate places. [2021-10-14 12:08:07,930 INFO L470 AbstractCegarLoop]: Abstraction has has 130 places, 129 transitions, 389 flow [2021-10-14 12:08:07,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 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) [2021-10-14 12:08:07,931 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-14 12:08:07,931 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 12:08:07,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-14 12:08:07,931 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting writerErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 18 more)] === [2021-10-14 12:08:07,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 12:08:07,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1508752826, now seen corresponding path program 1 times [2021-10-14 12:08:07,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 12:08:07,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157224721] [2021-10-14 12:08:07,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 12:08:07,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 12:08:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 12:08:08,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 12:08:08,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 12:08:08,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157224721] [2021-10-14 12:08:08,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157224721] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 12:08:08,015 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 12:08:08,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-14 12:08:08,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430226214] [2021-10-14 12:08:08,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-14 12:08:08,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 12:08:08,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-14 12:08:08,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-14 12:08:08,019 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 150 [2021-10-14 12:08:08,020 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 129 transitions, 389 flow. Second operand has 5 states, 5 states have (on average 129.2) internal successors, (646), 5 states have internal predecessors, (646), 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) [2021-10-14 12:08:08,020 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-14 12:08:08,020 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 150 [2021-10-14 12:08:08,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-14 12:08:08,141 INFO L129 PetriNetUnfolder]: 160/1000 cut-off events. [2021-10-14 12:08:08,142 INFO L130 PetriNetUnfolder]: For 384/514 co-relation queries the response was YES. [2021-10-14 12:08:08,146 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1918 conditions, 1000 events. 160/1000 cut-off events. For 384/514 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 7319 event pairs, 32 based on Foata normal form. 23/921 useless extension candidates. Maximal degree in co-relation 1909. Up to 205 conditions per place. [2021-10-14 12:08:08,150 INFO L132 encePairwiseOnDemand]: 141/150 looper letters, 7 selfloop transitions, 17 changer transitions 6/143 dead transitions. [2021-10-14 12:08:08,150 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 143 transitions, 513 flow [2021-10-14 12:08:08,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-14 12:08:08,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-10-14 12:08:08,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 670 transitions. [2021-10-14 12:08:08,151 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8933333333333333 [2021-10-14 12:08:08,151 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 670 transitions. [2021-10-14 12:08:08,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 670 transitions. [2021-10-14 12:08:08,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-14 12:08:08,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 670 transitions. [2021-10-14 12:08:08,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 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) [2021-10-14 12:08:08,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 150.0) internal successors, (900), 6 states have internal predecessors, (900), 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) [2021-10-14 12:08:08,155 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 150.0) internal successors, (900), 6 states have internal predecessors, (900), 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) [2021-10-14 12:08:08,155 INFO L186 Difference]: Start difference. First operand has 130 places, 129 transitions, 389 flow. Second operand 5 states and 670 transitions. [2021-10-14 12:08:08,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 143 transitions, 513 flow [2021-10-14 12:08:08,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 143 transitions, 491 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-10-14 12:08:08,160 INFO L242 Difference]: Finished difference. Result has 133 places, 135 transitions, 439 flow [2021-10-14 12:08:08,161 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=439, PETRI_PLACES=133, PETRI_TRANSITIONS=135} [2021-10-14 12:08:08,161 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, -10 predicate places. [2021-10-14 12:08:08,165 INFO L470 AbstractCegarLoop]: Abstraction has has 133 places, 135 transitions, 439 flow [2021-10-14 12:08:08,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 129.2) internal successors, (646), 5 states have internal predecessors, (646), 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) [2021-10-14 12:08:08,165 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-14 12:08:08,165 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 12:08:08,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-14 12:08:08,166 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting writerErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 18 more)] === [2021-10-14 12:08:08,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 12:08:08,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1305638407, now seen corresponding path program 1 times [2021-10-14 12:08:08,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 12:08:08,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837477481] [2021-10-14 12:08:08,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 12:08:08,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 12:08:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 12:08:08,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 12:08:08,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 12:08:08,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837477481] [2021-10-14 12:08:08,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837477481] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 12:08:08,264 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 12:08:08,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-14 12:08:08,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731824363] [2021-10-14 12:08:08,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-14 12:08:08,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 12:08:08,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-14 12:08:08,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-14 12:08:08,270 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 150 [2021-10-14 12:08:08,272 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 135 transitions, 439 flow. Second operand has 6 states, 6 states have (on average 129.0) internal successors, (774), 6 states have internal predecessors, (774), 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) [2021-10-14 12:08:08,272 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-14 12:08:08,272 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 150 [2021-10-14 12:08:08,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-14 12:08:08,390 INFO L129 PetriNetUnfolder]: 135/1079 cut-off events. [2021-10-14 12:08:08,390 INFO L130 PetriNetUnfolder]: For 589/781 co-relation queries the response was YES. [2021-10-14 12:08:08,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2070 conditions, 1079 events. 135/1079 cut-off events. For 589/781 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 8172 event pairs, 40 based on Foata normal form. 39/1017 useless extension candidates. Maximal degree in co-relation 2060. Up to 187 conditions per place. [2021-10-14 12:08:08,397 INFO L132 encePairwiseOnDemand]: 140/150 looper letters, 10 selfloop transitions, 16 changer transitions 2/141 dead transitions. [2021-10-14 12:08:08,397 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 141 transitions, 539 flow [2021-10-14 12:08:08,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-14 12:08:08,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-14 12:08:08,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 794 transitions. [2021-10-14 12:08:08,399 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8822222222222222 [2021-10-14 12:08:08,399 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 794 transitions. [2021-10-14 12:08:08,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 794 transitions. [2021-10-14 12:08:08,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-14 12:08:08,399 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 794 transitions. [2021-10-14 12:08:08,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 132.33333333333334) internal successors, (794), 6 states have internal predecessors, (794), 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) [2021-10-14 12:08:08,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 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) [2021-10-14 12:08:08,402 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 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) [2021-10-14 12:08:08,402 INFO L186 Difference]: Start difference. First operand has 133 places, 135 transitions, 439 flow. Second operand 6 states and 794 transitions. [2021-10-14 12:08:08,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 141 transitions, 539 flow [2021-10-14 12:08:08,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 141 transitions, 527 flow, removed 6 selfloop flow, removed 0 redundant places. [2021-10-14 12:08:08,405 INFO L242 Difference]: Finished difference. Result has 139 places, 137 transitions, 479 flow [2021-10-14 12:08:08,405 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=479, PETRI_PLACES=139, PETRI_TRANSITIONS=137} [2021-10-14 12:08:08,405 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, -4 predicate places. [2021-10-14 12:08:08,405 INFO L470 AbstractCegarLoop]: Abstraction has has 139 places, 137 transitions, 479 flow [2021-10-14 12:08:08,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 129.0) internal successors, (774), 6 states have internal predecessors, (774), 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) [2021-10-14 12:08:08,406 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-14 12:08:08,406 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 12:08:08,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-14 12:08:08,406 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting writerErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 18 more)] === [2021-10-14 12:08:08,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 12:08:08,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1811536697, now seen corresponding path program 2 times [2021-10-14 12:08:08,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 12:08:08,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954629878] [2021-10-14 12:08:08,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 12:08:08,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 12:08:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 12:08:08,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 12:08:08,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 12:08:08,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954629878] [2021-10-14 12:08:08,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954629878] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 12:08:08,469 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 12:08:08,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-14 12:08:08,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940651553] [2021-10-14 12:08:08,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-14 12:08:08,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 12:08:08,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-14 12:08:08,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-14 12:08:08,471 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 150 [2021-10-14 12:08:08,472 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 137 transitions, 479 flow. Second operand has 6 states, 6 states have (on average 129.0) internal successors, (774), 6 states have internal predecessors, (774), 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) [2021-10-14 12:08:08,472 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-14 12:08:08,472 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 150 [2021-10-14 12:08:08,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-14 12:08:08,564 INFO L129 PetriNetUnfolder]: 86/788 cut-off events. [2021-10-14 12:08:08,565 INFO L130 PetriNetUnfolder]: For 637/764 co-relation queries the response was YES. [2021-10-14 12:08:08,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1557 conditions, 788 events. 86/788 cut-off events. For 637/764 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 5349 event pairs, 32 based on Foata normal form. 38/753 useless extension candidates. Maximal degree in co-relation 1545. Up to 135 conditions per place. [2021-10-14 12:08:08,570 INFO L132 encePairwiseOnDemand]: 140/150 looper letters, 8 selfloop transitions, 8 changer transitions 14/141 dead transitions. [2021-10-14 12:08:08,570 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 141 transitions, 575 flow [2021-10-14 12:08:08,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-14 12:08:08,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-14 12:08:08,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 792 transitions. [2021-10-14 12:08:08,572 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.88 [2021-10-14 12:08:08,572 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 792 transitions. [2021-10-14 12:08:08,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 792 transitions. [2021-10-14 12:08:08,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-14 12:08:08,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 792 transitions. [2021-10-14 12:08:08,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 132.0) internal successors, (792), 6 states have internal predecessors, (792), 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) [2021-10-14 12:08:08,574 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 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) [2021-10-14 12:08:08,575 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 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) [2021-10-14 12:08:08,575 INFO L186 Difference]: Start difference. First operand has 139 places, 137 transitions, 479 flow. Second operand 6 states and 792 transitions. [2021-10-14 12:08:08,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 141 transitions, 575 flow [2021-10-14 12:08:08,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 141 transitions, 539 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-14 12:08:08,578 INFO L242 Difference]: Finished difference. Result has 141 places, 127 transitions, 399 flow [2021-10-14 12:08:08,579 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=447, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=399, PETRI_PLACES=141, PETRI_TRANSITIONS=127} [2021-10-14 12:08:08,579 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, -2 predicate places. [2021-10-14 12:08:08,579 INFO L470 AbstractCegarLoop]: Abstraction has has 141 places, 127 transitions, 399 flow [2021-10-14 12:08:08,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 129.0) internal successors, (774), 6 states have internal predecessors, (774), 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) [2021-10-14 12:08:08,579 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-14 12:08:08,580 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 12:08:08,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-14 12:08:08,580 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting writerErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 18 more)] === [2021-10-14 12:08:08,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 12:08:08,580 INFO L82 PathProgramCache]: Analyzing trace with hash 433898970, now seen corresponding path program 1 times [2021-10-14 12:08:08,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 12:08:08,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231045649] [2021-10-14 12:08:08,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 12:08:08,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 12:08:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 12:08:08,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 12:08:08,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 12:08:08,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231045649] [2021-10-14 12:08:08,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231045649] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 12:08:08,636 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 12:08:08,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-14 12:08:08,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225282968] [2021-10-14 12:08:08,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-14 12:08:08,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 12:08:08,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-14 12:08:08,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-14 12:08:08,638 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 150 [2021-10-14 12:08:08,639 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 127 transitions, 399 flow. Second operand has 6 states, 6 states have (on average 129.33333333333334) internal successors, (776), 6 states have internal predecessors, (776), 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) [2021-10-14 12:08:08,639 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-14 12:08:08,639 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 150 [2021-10-14 12:08:08,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-14 12:08:08,722 INFO L129 PetriNetUnfolder]: 51/503 cut-off events. [2021-10-14 12:08:08,722 INFO L130 PetriNetUnfolder]: For 440/499 co-relation queries the response was YES. [2021-10-14 12:08:08,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 963 conditions, 503 events. 51/503 cut-off events. For 440/499 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2993 event pairs, 17 based on Foata normal form. 24/474 useless extension candidates. Maximal degree in co-relation 950. Up to 91 conditions per place. [2021-10-14 12:08:08,725 INFO L132 encePairwiseOnDemand]: 141/150 looper letters, 5 selfloop transitions, 11 changer transitions 4/131 dead transitions. [2021-10-14 12:08:08,725 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 131 transitions, 475 flow [2021-10-14 12:08:08,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-14 12:08:08,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-14 12:08:08,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 790 transitions. [2021-10-14 12:08:08,738 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8777777777777778 [2021-10-14 12:08:08,738 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 790 transitions. [2021-10-14 12:08:08,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 790 transitions. [2021-10-14 12:08:08,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-14 12:08:08,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 790 transitions. [2021-10-14 12:08:08,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 131.66666666666666) internal successors, (790), 6 states have internal predecessors, (790), 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) [2021-10-14 12:08:08,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 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) [2021-10-14 12:08:08,741 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 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) [2021-10-14 12:08:08,741 INFO L186 Difference]: Start difference. First operand has 141 places, 127 transitions, 399 flow. Second operand 6 states and 790 transitions. [2021-10-14 12:08:08,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 131 transitions, 475 flow [2021-10-14 12:08:08,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 131 transitions, 435 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-10-14 12:08:08,744 INFO L242 Difference]: Finished difference. Result has 137 places, 127 transitions, 401 flow [2021-10-14 12:08:08,744 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=401, PETRI_PLACES=137, PETRI_TRANSITIONS=127} [2021-10-14 12:08:08,744 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, -6 predicate places. [2021-10-14 12:08:08,744 INFO L470 AbstractCegarLoop]: Abstraction has has 137 places, 127 transitions, 401 flow [2021-10-14 12:08:08,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 129.33333333333334) internal successors, (776), 6 states have internal predecessors, (776), 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) [2021-10-14 12:08:08,745 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-14 12:08:08,745 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 12:08:08,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-14 12:08:08,745 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting writerErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 18 more)] === [2021-10-14 12:08:08,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 12:08:08,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1207765270, now seen corresponding path program 2 times [2021-10-14 12:08:08,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 12:08:08,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132842149] [2021-10-14 12:08:08,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 12:08:08,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 12:08:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 12:08:08,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 12:08:08,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 12:08:08,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132842149] [2021-10-14 12:08:08,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132842149] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 12:08:08,830 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 12:08:08,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-14 12:08:08,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793179597] [2021-10-14 12:08:08,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-14 12:08:08,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 12:08:08,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-14 12:08:08,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-14 12:08:08,835 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 150 [2021-10-14 12:08:08,836 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 127 transitions, 401 flow. Second operand has 6 states, 6 states have (on average 129.33333333333334) internal successors, (776), 6 states have internal predecessors, (776), 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) [2021-10-14 12:08:08,836 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-14 12:08:08,836 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 150 [2021-10-14 12:08:08,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-14 12:08:08,875 INFO L129 PetriNetUnfolder]: 3/216 cut-off events. [2021-10-14 12:08:08,875 INFO L130 PetriNetUnfolder]: For 193/220 co-relation queries the response was YES. [2021-10-14 12:08:08,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 216 events. 3/216 cut-off events. For 193/220 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 694 event pairs, 1 based on Foata normal form. 13/219 useless extension candidates. Maximal degree in co-relation 402. Up to 27 conditions per place. [2021-10-14 12:08:08,876 INFO L132 encePairwiseOnDemand]: 141/150 looper letters, 0 selfloop transitions, 0 changer transitions 113/113 dead transitions. [2021-10-14 12:08:08,876 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 113 transitions, 369 flow [2021-10-14 12:08:08,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-14 12:08:08,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-14 12:08:08,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 784 transitions. [2021-10-14 12:08:08,878 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8711111111111111 [2021-10-14 12:08:08,878 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 784 transitions. [2021-10-14 12:08:08,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 784 transitions. [2021-10-14 12:08:08,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-14 12:08:08,879 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 784 transitions. [2021-10-14 12:08:08,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 130.66666666666666) internal successors, (784), 6 states have internal predecessors, (784), 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) [2021-10-14 12:08:08,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 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) [2021-10-14 12:08:08,882 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 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) [2021-10-14 12:08:08,882 INFO L186 Difference]: Start difference. First operand has 137 places, 127 transitions, 401 flow. Second operand 6 states and 784 transitions. [2021-10-14 12:08:08,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 113 transitions, 369 flow [2021-10-14 12:08:08,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 113 transitions, 316 flow, removed 11 selfloop flow, removed 9 redundant places. [2021-10-14 12:08:08,884 INFO L242 Difference]: Finished difference. Result has 130 places, 0 transitions, 0 flow [2021-10-14 12:08:08,885 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=130, PETRI_TRANSITIONS=0} [2021-10-14 12:08:08,885 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, -13 predicate places. [2021-10-14 12:08:08,885 INFO L470 AbstractCegarLoop]: Abstraction has has 130 places, 0 transitions, 0 flow [2021-10-14 12:08:08,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 129.33333333333334) internal successors, (776), 6 states have internal predecessors, (776), 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) [2021-10-14 12:08:08,887 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:08,887 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:08,887 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:08,888 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-14 12:08:08,888 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-14 12:08:08,888 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-14 12:08:08,889 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-14 12:08:08,889 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:08,889 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:08,889 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:08,889 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:08,889 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:08,889 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:08,889 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:08,889 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:08,889 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:08,890 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:08,891 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:08,891 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:08,891 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:08,891 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:08,891 INFO L764 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:08,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-14 12:08:08,896 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-14 12:08:08,896 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-14 12:08:08,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:08:08 BasicIcfg [2021-10-14 12:08:08,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-14 12:08:08,899 INFO L168 Benchmark]: Toolchain (without parser) took 3533.90 ms. Allocated memory was 189.8 MB in the beginning and 245.4 MB in the end (delta: 55.6 MB). Free memory was 139.6 MB in the beginning and 181.5 MB in the end (delta: -41.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 8.0 GB. [2021-10-14 12:08:08,899 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 189.8 MB. Free memory is still 157.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-14 12:08:08,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.99 ms. Allocated memory is still 189.8 MB. Free memory was 139.5 MB in the beginning and 158.1 MB in the end (delta: -18.6 MB). Peak memory consumption was 12.7 MB. Max. memory is 8.0 GB. [2021-10-14 12:08:08,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.47 ms. Allocated memory is still 189.8 MB. Free memory was 158.1 MB in the beginning and 156.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-14 12:08:08,900 INFO L168 Benchmark]: Boogie Preprocessor took 40.37 ms. Allocated memory is still 189.8 MB. Free memory was 156.0 MB in the beginning and 153.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-14 12:08:08,900 INFO L168 Benchmark]: RCFGBuilder took 513.75 ms. Allocated memory is still 189.8 MB. Free memory was 153.9 MB in the beginning and 128.7 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-10-14 12:08:08,901 INFO L168 Benchmark]: TraceAbstraction took 2543.10 ms. Allocated memory was 189.8 MB in the beginning and 245.4 MB in the end (delta: 55.6 MB). Free memory was 128.2 MB in the beginning and 181.5 MB in the end (delta: -53.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 8.0 GB. [2021-10-14 12:08:08,903 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 189.8 MB. Free memory is still 157.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 374.99 ms. Allocated memory is still 189.8 MB. Free memory was 139.5 MB in the beginning and 158.1 MB in the end (delta: -18.6 MB). Peak memory consumption was 12.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 54.47 ms. Allocated memory is still 189.8 MB. Free memory was 158.1 MB in the beginning and 156.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 40.37 ms. Allocated memory is still 189.8 MB. Free memory was 156.0 MB in the beginning and 153.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 513.75 ms. Allocated memory is still 189.8 MB. Free memory was 153.9 MB in the beginning and 128.7 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2543.10 ms. Allocated memory was 189.8 MB in the beginning and 245.4 MB in the end (delta: 55.6 MB). Free memory was 128.2 MB in the beginning and 181.5 MB in the end (delta: -53.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 731]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 183 locations, 22 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 7.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2372.6ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1348.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 84.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 61 SDtfs, 27 SDslu, 11 SDs, 0 SdLazy, 294 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 165.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 89.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=479occurred in iteration=7, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 33.6ms SsaConstructionTime, 143.6ms SatisfiabilityAnalysisTime, 542.4ms InterpolantComputationTime, 462 NumberOfCodeBlocks, 462 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 452 ConstructedInterpolants, 0 QuantifiedInterpolants, 1722 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-14 12:08:08,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...