/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-After.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 11:28:40,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 11:28:40,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 11:28:40,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 11:28:40,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 11:28:40,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 11:28:40,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 11:28:40,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 11:28:40,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 11:28:40,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 11:28:40,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 11:28:40,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 11:28:40,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 11:28:40,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 11:28:40,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 11:28:40,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 11:28:40,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 11:28:40,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 11:28:40,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 11:28:40,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 11:28:40,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 11:28:40,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 11:28:40,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 11:28:40,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 11:28:40,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 11:28:40,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 11:28:40,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 11:28:40,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 11:28:40,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 11:28:40,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 11:28:40,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 11:28:40,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 11:28:40,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 11:28:40,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 11:28:40,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 11:28:40,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 11:28:40,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 11:28:40,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 11:28:40,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 11:28:40,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 11:28:40,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 11:28:40,417 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-After.epf [2022-01-19 11:28:40,437 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 11:28:40,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 11:28:40,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 11:28:40,438 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 11:28:40,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 11:28:40,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 11:28:40,438 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 11:28:40,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 11:28:40,439 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 11:28:40,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 11:28:40,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 11:28:40,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 11:28:40,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 11:28:40,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 11:28:40,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 11:28:40,443 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 11:28:40,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 11:28:40,443 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 11:28:40,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 11:28:40,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 11:28:40,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 11:28:40,444 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 11:28:40,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 11:28:40,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 11:28:40,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 11:28:40,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 11:28:40,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 11:28:40,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 11:28:40,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 11:28:40,445 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 11:28:40,445 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 11:28:40,445 INFO L138 SettingsManager]: * When to check the insufficient erros location relative to the other error locations=AFTER [2022-01-19 11:28:40,445 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 11:28:40,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 11:28:40,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 11:28:40,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 11:28:40,616 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 11:28:40,616 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 11:28:40,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2022-01-19 11:28:40,661 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c45817a8a/70d0d85ff4a34d9a83de2fea96103772/FLAG45ff4a1d8 [2022-01-19 11:28:41,073 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 11:28:41,073 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2022-01-19 11:28:41,088 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c45817a8a/70d0d85ff4a34d9a83de2fea96103772/FLAG45ff4a1d8 [2022-01-19 11:28:41,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c45817a8a/70d0d85ff4a34d9a83de2fea96103772 [2022-01-19 11:28:41,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 11:28:41,453 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 11:28:41,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 11:28:41,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 11:28:41,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 11:28:41,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 11:28:41" (1/1) ... [2022-01-19 11:28:41,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342d277c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:28:41, skipping insertion in model container [2022-01-19 11:28:41,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 11:28:41" (1/1) ... [2022-01-19 11:28:41,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 11:28:41,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 11:28:41,638 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-01-19 11:28:41,898 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i[75002,75015] [2022-01-19 11:28:41,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 11:28:41,942 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 11:28:41,951 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-01-19 11:28:41,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i[75002,75015] [2022-01-19 11:28:41,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 11:28:42,057 INFO L208 MainTranslator]: Completed translation [2022-01-19 11:28:42,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:28:42 WrapperNode [2022-01-19 11:28:42,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 11:28:42,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 11:28:42,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 11:28:42,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 11:28:42,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:28:42" (1/1) ... [2022-01-19 11:28:42,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:28:42" (1/1) ... [2022-01-19 11:28:42,104 INFO L137 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 143 [2022-01-19 11:28:42,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 11:28:42,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 11:28:42,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 11:28:42,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 11:28:42,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:28:42" (1/1) ... [2022-01-19 11:28:42,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:28:42" (1/1) ... [2022-01-19 11:28:42,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:28:42" (1/1) ... [2022-01-19 11:28:42,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:28:42" (1/1) ... [2022-01-19 11:28:42,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:28:42" (1/1) ... [2022-01-19 11:28:42,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:28:42" (1/1) ... [2022-01-19 11:28:42,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:28:42" (1/1) ... [2022-01-19 11:28:42,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 11:28:42,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 11:28:42,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 11:28:42,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 11:28:42,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:28:42" (1/1) ... [2022-01-19 11:28:42,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 11:28:42,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 11:28:42,169 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) [2022-01-19 11:28:42,191 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 [2022-01-19 11:28:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-19 11:28:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 11:28:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-19 11:28:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 11:28:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-19 11:28:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 11:28:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-19 11:28:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 11:28:42,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 11:28:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-01-19 11:28:42,198 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-01-19 11:28:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 11:28:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 11:28:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 11:28:42,199 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 11:28:42,417 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 11:28:42,418 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 11:28:42,567 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 11:28:42,597 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 11:28:42,598 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-19 11:28:42,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 11:28:42 BoogieIcfgContainer [2022-01-19 11:28:42,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 11:28:42,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 11:28:42,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 11:28:42,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 11:28:42,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 11:28:41" (1/3) ... [2022-01-19 11:28:42,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393d1108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 11:28:42, skipping insertion in model container [2022-01-19 11:28:42,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:28:42" (2/3) ... [2022-01-19 11:28:42,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393d1108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 11:28:42, skipping insertion in model container [2022-01-19 11:28:42,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 11:28:42" (3/3) ... [2022-01-19 11:28:42,605 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2022-01-19 11:28:42,608 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 11:28:42,608 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-01-19 11:28:42,608 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 11:28:42,637 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,638 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,638 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,638 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,638 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,638 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,638 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,638 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,639 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,639 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,639 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,639 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,639 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,639 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,639 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,639 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,639 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,640 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,640 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,640 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,640 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,640 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,640 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,640 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,640 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,640 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,640 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,640 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,641 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,641 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,641 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,641 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,641 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,641 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,641 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,641 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,641 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,642 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,642 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,642 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,642 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,642 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,642 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,642 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,642 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,642 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,643 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,643 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,643 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,643 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,643 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,643 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,644 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,644 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,644 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,644 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,644 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,644 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,644 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,645 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,645 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,645 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,645 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,645 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,645 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,645 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,646 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,646 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,646 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,646 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,646 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,646 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,646 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,646 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,646 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,647 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,647 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,647 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,647 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,647 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,647 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,647 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,647 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,647 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,647 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,648 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,648 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,648 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,648 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,648 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,648 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,648 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,648 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,648 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,648 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,649 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,649 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,649 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,649 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,649 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,649 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,649 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,649 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,649 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,649 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,650 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,650 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,650 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,650 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,650 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,650 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,650 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,650 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,651 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,651 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,651 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,651 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,651 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,651 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,652 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,652 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,652 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,652 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,652 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,652 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,652 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,652 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,652 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,653 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,653 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,653 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,653 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,653 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,653 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,654 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,654 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,654 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,654 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,654 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,654 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,656 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,657 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,657 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,657 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,657 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,657 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,657 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,657 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,657 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,657 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,658 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,658 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,658 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,659 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,659 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,659 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,659 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,659 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,659 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,659 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,659 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,659 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,659 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,659 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,660 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,660 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:28:42,662 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-19 11:28:42,693 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 11:28:42,697 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, mAutomataTypeConcurrency=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 [2022-01-19 11:28:42,697 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-01-19 11:28:42,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 175 places, 175 transitions, 366 flow [2022-01-19 11:28:42,775 INFO L129 PetriNetUnfolder]: 8/220 cut-off events. [2022-01-19 11:28:42,775 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-01-19 11:28:42,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 220 events. 8/220 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 376 event pairs, 0 based on Foata normal form. 0/202 useless extension candidates. Maximal degree in co-relation 116. Up to 4 conditions per place. [2022-01-19 11:28:42,778 INFO L82 GeneralOperation]: Start removeDead. Operand has 175 places, 175 transitions, 366 flow [2022-01-19 11:28:42,799 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 163 places, 161 transitions, 334 flow [2022-01-19 11:28:42,814 INFO L129 PetriNetUnfolder]: 1/109 cut-off events. [2022-01-19 11:28:42,814 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-19 11:28:42,814 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 11:28:42,815 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] [2022-01-19 11:28:42,822 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-19 11:28:42,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 11:28:42,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1773378929, now seen corresponding path program 1 times [2022-01-19 11:28:42,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 11:28:42,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084200471] [2022-01-19 11:28:42,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 11:28:42,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 11:28:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 11:28:43,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 11:28:43,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 11:28:43,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084200471] [2022-01-19 11:28:43,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084200471] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 11:28:43,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 11:28:43,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 11:28:43,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494261374] [2022-01-19 11:28:43,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 11:28:43,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 11:28:43,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 11:28:43,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 11:28:43,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-19 11:28:43,265 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 175 [2022-01-19 11:28:43,271 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 161 transitions, 334 flow. Second operand has 6 states, 6 states have (on average 108.66666666666667) internal successors, (652), 6 states have internal predecessors, (652), 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) [2022-01-19 11:28:43,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 11:28:43,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 175 [2022-01-19 11:28:43,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 11:28:43,807 INFO L129 PetriNetUnfolder]: 850/2034 cut-off events. [2022-01-19 11:28:43,807 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-01-19 11:28:43,814 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3561 conditions, 2034 events. 850/2034 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 13473 event pairs, 196 based on Foata normal form. 17/1998 useless extension candidates. Maximal degree in co-relation 3253. Up to 615 conditions per place. [2022-01-19 11:28:43,828 INFO L132 encePairwiseOnDemand]: 151/175 looper letters, 100 selfloop transitions, 48 changer transitions 0/245 dead transitions. [2022-01-19 11:28:43,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 245 transitions, 798 flow [2022-01-19 11:28:43,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-19 11:28:43,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-01-19 11:28:43,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1637 transitions. [2022-01-19 11:28:43,846 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6681632653061225 [2022-01-19 11:28:43,847 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1637 transitions. [2022-01-19 11:28:43,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1637 transitions. [2022-01-19 11:28:43,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 11:28:43,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1637 transitions. [2022-01-19 11:28:43,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 116.92857142857143) internal successors, (1637), 14 states have internal predecessors, (1637), 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) [2022-01-19 11:28:43,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 175.0) internal successors, (2625), 15 states have internal predecessors, (2625), 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) [2022-01-19 11:28:43,874 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 175.0) internal successors, (2625), 15 states have internal predecessors, (2625), 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) [2022-01-19 11:28:43,875 INFO L186 Difference]: Start difference. First operand has 163 places, 161 transitions, 334 flow. Second operand 14 states and 1637 transitions. [2022-01-19 11:28:43,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 245 transitions, 798 flow [2022-01-19 11:28:43,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 245 transitions, 790 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-01-19 11:28:43,887 INFO L242 Difference]: Finished difference. Result has 177 places, 194 transitions, 615 flow [2022-01-19 11:28:43,889 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=615, PETRI_PLACES=177, PETRI_TRANSITIONS=194} [2022-01-19 11:28:43,892 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, 14 predicate places. [2022-01-19 11:28:43,892 INFO L470 AbstractCegarLoop]: Abstraction has has 177 places, 194 transitions, 615 flow [2022-01-19 11:28:43,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 108.66666666666667) internal successors, (652), 6 states have internal predecessors, (652), 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) [2022-01-19 11:28:43,892 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 11:28:43,893 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, 1, 1] [2022-01-19 11:28:43,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 11:28:43,893 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-19 11:28:43,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 11:28:43,894 INFO L85 PathProgramCache]: Analyzing trace with hash -238227831, now seen corresponding path program 1 times [2022-01-19 11:28:43,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 11:28:43,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267716672] [2022-01-19 11:28:43,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 11:28:43,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 11:28:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 11:28:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 11:28:44,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 11:28:44,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267716672] [2022-01-19 11:28:44,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267716672] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 11:28:44,046 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 11:28:44,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 11:28:44,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552045272] [2022-01-19 11:28:44,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 11:28:44,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 11:28:44,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 11:28:44,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 11:28:44,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-19 11:28:44,051 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 175 [2022-01-19 11:28:44,052 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 194 transitions, 615 flow. Second operand has 6 states, 6 states have (on average 109.5) internal successors, (657), 6 states have internal predecessors, (657), 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) [2022-01-19 11:28:44,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 11:28:44,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 175 [2022-01-19 11:28:44,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 11:28:44,544 INFO L129 PetriNetUnfolder]: 1104/2643 cut-off events. [2022-01-19 11:28:44,545 INFO L130 PetriNetUnfolder]: For 10776/10838 co-relation queries the response was YES. [2022-01-19 11:28:44,552 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9141 conditions, 2643 events. 1104/2643 cut-off events. For 10776/10838 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 19069 event pairs, 258 based on Foata normal form. 47/2662 useless extension candidates. Maximal degree in co-relation 8135. Up to 858 conditions per place. [2022-01-19 11:28:44,564 INFO L132 encePairwiseOnDemand]: 156/175 looper letters, 75 selfloop transitions, 44 changer transitions 72/287 dead transitions. [2022-01-19 11:28:44,564 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 287 transitions, 1736 flow [2022-01-19 11:28:44,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-19 11:28:44,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-01-19 11:28:44,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1406 transitions. [2022-01-19 11:28:44,567 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6695238095238095 [2022-01-19 11:28:44,567 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1406 transitions. [2022-01-19 11:28:44,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1406 transitions. [2022-01-19 11:28:44,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 11:28:44,568 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1406 transitions. [2022-01-19 11:28:44,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 117.16666666666667) internal successors, (1406), 12 states have internal predecessors, (1406), 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) [2022-01-19 11:28:44,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 175.0) internal successors, (2275), 13 states have internal predecessors, (2275), 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) [2022-01-19 11:28:44,574 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 175.0) internal successors, (2275), 13 states have internal predecessors, (2275), 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) [2022-01-19 11:28:44,574 INFO L186 Difference]: Start difference. First operand has 177 places, 194 transitions, 615 flow. Second operand 12 states and 1406 transitions. [2022-01-19 11:28:44,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 287 transitions, 1736 flow [2022-01-19 11:28:44,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 287 transitions, 1736 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-19 11:28:44,586 INFO L242 Difference]: Finished difference. Result has 196 places, 197 transitions, 923 flow [2022-01-19 11:28:44,587 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=615, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=923, PETRI_PLACES=196, PETRI_TRANSITIONS=197} [2022-01-19 11:28:44,588 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, 33 predicate places. [2022-01-19 11:28:44,588 INFO L470 AbstractCegarLoop]: Abstraction has has 196 places, 197 transitions, 923 flow [2022-01-19 11:28:44,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 109.5) internal successors, (657), 6 states have internal predecessors, (657), 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) [2022-01-19 11:28:44,588 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 11:28:44,588 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 11:28:44,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 11:28:44,589 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-19 11:28:44,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 11:28:44,589 INFO L85 PathProgramCache]: Analyzing trace with hash 74396295, now seen corresponding path program 1 times [2022-01-19 11:28:44,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 11:28:44,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873545191] [2022-01-19 11:28:44,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 11:28:44,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 11:28:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 11:28:44,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 11:28:44,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 11:28:44,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873545191] [2022-01-19 11:28:44,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873545191] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 11:28:44,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 11:28:44,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-19 11:28:44,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178872187] [2022-01-19 11:28:44,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 11:28:44,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-19 11:28:44,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 11:28:44,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-19 11:28:44,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-19 11:28:44,657 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 175 [2022-01-19 11:28:44,657 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 197 transitions, 923 flow. Second operand has 5 states, 5 states have (on average 148.2) internal successors, (741), 5 states have internal predecessors, (741), 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) [2022-01-19 11:28:44,657 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 11:28:44,657 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 175 [2022-01-19 11:28:44,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 11:28:44,725 INFO L129 PetriNetUnfolder]: 59/340 cut-off events. [2022-01-19 11:28:44,725 INFO L130 PetriNetUnfolder]: For 959/1059 co-relation queries the response was YES. [2022-01-19 11:28:44,726 INFO L84 FinitePrefix]: Finished finitePrefix Result has 814 conditions, 340 events. 59/340 cut-off events. For 959/1059 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1294 event pairs, 14 based on Foata normal form. 0/320 useless extension candidates. Maximal degree in co-relation 795. Up to 54 conditions per place. [2022-01-19 11:28:44,727 INFO L132 encePairwiseOnDemand]: 170/175 looper letters, 23 selfloop transitions, 4 changer transitions 0/136 dead transitions. [2022-01-19 11:28:44,727 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 136 transitions, 447 flow [2022-01-19 11:28:44,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-19 11:28:44,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-01-19 11:28:44,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 904 transitions. [2022-01-19 11:28:44,729 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8609523809523809 [2022-01-19 11:28:44,729 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 904 transitions. [2022-01-19 11:28:44,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 904 transitions. [2022-01-19 11:28:44,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 11:28:44,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 904 transitions. [2022-01-19 11:28:44,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 150.66666666666666) internal successors, (904), 6 states have internal predecessors, (904), 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) [2022-01-19 11:28:44,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 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) [2022-01-19 11:28:44,732 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 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) [2022-01-19 11:28:44,733 INFO L186 Difference]: Start difference. First operand has 196 places, 197 transitions, 923 flow. Second operand 6 states and 904 transitions. [2022-01-19 11:28:44,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 136 transitions, 447 flow [2022-01-19 11:28:44,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 136 transitions, 338 flow, removed 40 selfloop flow, removed 17 redundant places. [2022-01-19 11:28:44,735 INFO L242 Difference]: Finished difference. Result has 141 places, 128 transitions, 276 flow [2022-01-19 11:28:44,736 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=276, PETRI_PLACES=141, PETRI_TRANSITIONS=128} [2022-01-19 11:28:44,736 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, -22 predicate places. [2022-01-19 11:28:44,736 INFO L470 AbstractCegarLoop]: Abstraction has has 141 places, 128 transitions, 276 flow [2022-01-19 11:28:44,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 148.2) internal successors, (741), 5 states have internal predecessors, (741), 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) [2022-01-19 11:28:44,737 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 11:28:44,737 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 11:28:44,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 11:28:44,737 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-19 11:28:44,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 11:28:44,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1976380995, now seen corresponding path program 1 times [2022-01-19 11:28:44,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 11:28:44,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347266558] [2022-01-19 11:28:44,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 11:28:44,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 11:28:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 11:28:44,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 11:28:44,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 11:28:44,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347266558] [2022-01-19 11:28:44,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347266558] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 11:28:44,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 11:28:44,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-19 11:28:44,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981544041] [2022-01-19 11:28:44,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 11:28:44,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 11:28:44,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 11:28:44,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 11:28:44,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 11:28:44,800 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 175 [2022-01-19 11:28:44,800 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 128 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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) [2022-01-19 11:28:44,800 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 11:28:44,800 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 175 [2022-01-19 11:28:44,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 11:28:44,870 INFO L129 PetriNetUnfolder]: 123/446 cut-off events. [2022-01-19 11:28:44,870 INFO L130 PetriNetUnfolder]: For 65/68 co-relation queries the response was YES. [2022-01-19 11:28:44,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 818 conditions, 446 events. 123/446 cut-off events. For 65/68 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1765 event pairs, 94 based on Foata normal form. 0/418 useless extension candidates. Maximal degree in co-relation 810. Up to 227 conditions per place. [2022-01-19 11:28:44,872 INFO L132 encePairwiseOnDemand]: 169/175 looper letters, 37 selfloop transitions, 5 changer transitions 0/138 dead transitions. [2022-01-19 11:28:44,872 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 138 transitions, 385 flow [2022-01-19 11:28:44,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 11:28:44,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 11:28:44,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 436 transitions. [2022-01-19 11:28:44,873 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8304761904761905 [2022-01-19 11:28:44,874 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 436 transitions. [2022-01-19 11:28:44,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 436 transitions. [2022-01-19 11:28:44,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 11:28:44,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 436 transitions. [2022-01-19 11:28:44,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 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) [2022-01-19 11:28:44,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 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) [2022-01-19 11:28:44,875 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 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) [2022-01-19 11:28:44,876 INFO L186 Difference]: Start difference. First operand has 141 places, 128 transitions, 276 flow. Second operand 3 states and 436 transitions. [2022-01-19 11:28:44,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 138 transitions, 385 flow [2022-01-19 11:28:44,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 138 transitions, 378 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-01-19 11:28:44,878 INFO L242 Difference]: Finished difference. Result has 141 places, 132 transitions, 311 flow [2022-01-19 11:28:44,878 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=311, PETRI_PLACES=141, PETRI_TRANSITIONS=132} [2022-01-19 11:28:44,879 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, -22 predicate places. [2022-01-19 11:28:44,879 INFO L470 AbstractCegarLoop]: Abstraction has has 141 places, 132 transitions, 311 flow [2022-01-19 11:28:44,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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) [2022-01-19 11:28:44,879 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 11:28:44,879 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 11:28:44,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-19 11:28:44,879 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-19 11:28:44,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 11:28:44,880 INFO L85 PathProgramCache]: Analyzing trace with hash 219140614, now seen corresponding path program 1 times [2022-01-19 11:28:44,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 11:28:44,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309733331] [2022-01-19 11:28:44,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 11:28:44,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 11:28:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 11:28:44,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 11:28:44,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 11:28:44,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309733331] [2022-01-19 11:28:44,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309733331] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 11:28:44,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 11:28:44,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-19 11:28:44,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250017529] [2022-01-19 11:28:44,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 11:28:44,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 11:28:44,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 11:28:44,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 11:28:44,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 11:28:44,954 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 175 [2022-01-19 11:28:44,955 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 132 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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) [2022-01-19 11:28:44,955 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 11:28:44,955 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 175 [2022-01-19 11:28:44,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 11:28:45,022 INFO L129 PetriNetUnfolder]: 130/465 cut-off events. [2022-01-19 11:28:45,023 INFO L130 PetriNetUnfolder]: For 206/212 co-relation queries the response was YES. [2022-01-19 11:28:45,024 INFO L84 FinitePrefix]: Finished finitePrefix Result has 963 conditions, 465 events. 130/465 cut-off events. For 206/212 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1865 event pairs, 98 based on Foata normal form. 1/442 useless extension candidates. Maximal degree in co-relation 954. Up to 239 conditions per place. [2022-01-19 11:28:45,025 INFO L132 encePairwiseOnDemand]: 169/175 looper letters, 39 selfloop transitions, 7 changer transitions 0/142 dead transitions. [2022-01-19 11:28:45,025 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 142 transitions, 448 flow [2022-01-19 11:28:45,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 11:28:45,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 11:28:45,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 435 transitions. [2022-01-19 11:28:45,026 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8285714285714286 [2022-01-19 11:28:45,026 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 435 transitions. [2022-01-19 11:28:45,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 435 transitions. [2022-01-19 11:28:45,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 11:28:45,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 435 transitions. [2022-01-19 11:28:45,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 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) [2022-01-19 11:28:45,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 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) [2022-01-19 11:28:45,028 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 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) [2022-01-19 11:28:45,028 INFO L186 Difference]: Start difference. First operand has 141 places, 132 transitions, 311 flow. Second operand 3 states and 435 transitions. [2022-01-19 11:28:45,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 142 transitions, 448 flow [2022-01-19 11:28:45,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 142 transitions, 424 flow, removed 4 selfloop flow, removed 2 redundant places. [2022-01-19 11:28:45,031 INFO L242 Difference]: Finished difference. Result has 143 places, 137 transitions, 357 flow [2022-01-19 11:28:45,031 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=357, PETRI_PLACES=143, PETRI_TRANSITIONS=137} [2022-01-19 11:28:45,031 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, -20 predicate places. [2022-01-19 11:28:45,032 INFO L470 AbstractCegarLoop]: Abstraction has has 143 places, 137 transitions, 357 flow [2022-01-19 11:28:45,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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) [2022-01-19 11:28:45,032 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 11:28:45,032 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 11:28:45,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-19 11:28:45,032 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-01-19 11:28:45,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 11:28:45,033 INFO L85 PathProgramCache]: Analyzing trace with hash 698353989, now seen corresponding path program 1 times [2022-01-19 11:28:45,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 11:28:45,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054198199] [2022-01-19 11:28:45,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 11:28:45,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 11:28:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-19 11:28:45,085 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-19 11:28:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-19 11:28:45,136 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-19 11:28:45,136 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-19 11:28:45,137 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2022-01-19 11:28:45,138 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2022-01-19 11:28:45,138 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2022-01-19 11:28:45,138 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2022-01-19 11:28:45,138 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2022-01-19 11:28:45,138 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2022-01-19 11:28:45,138 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 8 remaining) [2022-01-19 11:28:45,138 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 8 remaining) [2022-01-19 11:28:45,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-19 11:28:45,141 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-01-19 11:28:45,144 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-19 11:28:45,144 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-19 11:28:45,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.01 11:28:45 BasicIcfg [2022-01-19 11:28:45,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-19 11:28:45,193 INFO L158 Benchmark]: Toolchain (without parser) took 3739.82ms. Allocated memory was 423.6MB in the beginning and 610.3MB in the end (delta: 186.6MB). Free memory was 366.8MB in the beginning and 494.9MB in the end (delta: -128.1MB). Peak memory consumption was 60.2MB. Max. memory is 16.0GB. [2022-01-19 11:28:45,193 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 423.6MB. Free memory is still 385.9MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 11:28:45,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 602.65ms. Allocated memory is still 423.6MB. Free memory was 366.4MB in the beginning and 353.7MB in the end (delta: 12.8MB). Peak memory consumption was 18.7MB. Max. memory is 16.0GB. [2022-01-19 11:28:45,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.20ms. Allocated memory is still 423.6MB. Free memory was 353.7MB in the beginning and 350.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2022-01-19 11:28:45,194 INFO L158 Benchmark]: Boogie Preprocessor took 32.77ms. Allocated memory is still 423.6MB. Free memory was 350.3MB in the beginning and 347.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 11:28:45,194 INFO L158 Benchmark]: RCFGBuilder took 461.66ms. Allocated memory is still 423.6MB. Free memory was 347.4MB in the beginning and 378.1MB in the end (delta: -30.7MB). Peak memory consumption was 12.5MB. Max. memory is 16.0GB. [2022-01-19 11:28:45,195 INFO L158 Benchmark]: TraceAbstraction took 2591.93ms. Allocated memory was 423.6MB in the beginning and 610.3MB in the end (delta: 186.6MB). Free memory was 378.1MB in the beginning and 494.9MB in the end (delta: -116.8MB). Peak memory consumption was 70.9MB. Max. memory is 16.0GB. [2022-01-19 11:28:45,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 423.6MB. Free memory is still 385.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 602.65ms. Allocated memory is still 423.6MB. Free memory was 366.4MB in the beginning and 353.7MB in the end (delta: 12.8MB). Peak memory consumption was 18.7MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 46.20ms. Allocated memory is still 423.6MB. Free memory was 353.7MB in the beginning and 350.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 32.77ms. Allocated memory is still 423.6MB. Free memory was 350.3MB in the beginning and 347.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 461.66ms. Allocated memory is still 423.6MB. Free memory was 347.4MB in the beginning and 378.1MB in the end (delta: -30.7MB). Peak memory consumption was 12.5MB. Max. memory is 16.0GB. * TraceAbstraction took 2591.93ms. Allocated memory was 423.6MB in the beginning and 610.3MB in the end (delta: 186.6MB). Free memory was 378.1MB in the beginning and 494.9MB in the end (delta: -116.8MB). Peak memory consumption was 70.9MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; VAL [t1={3:0}, t2={4:0}] [L1745] CALL, EXPR 0 my_drv_init() [L1739] 0 return 0; VAL [\result=0, t1={3:0}, t2={4:0}] [L1745] RET, EXPR 0 my_drv_init() [L1745] 0 int ret = my_drv_init(); VAL [my_drv_init()=0, ret=0, t1={3:0}, t2={4:0}] [L1746] COND TRUE 0 ret==0 VAL [ret=0, t1={3:0}, t2={4:0}] [L1747] 0 int probe_ret; VAL [ret=0, t1={3:0}, t2={4:0}] [L1748] 0 struct my_data data; VAL [data={6:0}, ret=0, t1={3:0}, t2={4:0}] [L1749] CALL, EXPR 0 my_drv_probe(&data) [L1706] 0 struct device *d = &data->dev; VAL [d={6:24}, data={6:0}, data={6:0}, t1={3:0}, t2={4:0}] [L1708] 0 data->shared.a = 0 VAL [d={6:24}, data={6:0}, data={6:0}, t1={3:0}, t2={4:0}] [L1709] 0 data->shared.b = 0 VAL [d={6:24}, data={6:0}, data={6:0}, t1={3:0}, t2={4:0}] [L1710] 0 int res = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, d={6:24}, data={6:0}, data={6:0}, res=0, t1={3:0}, t2={4:0}] [L1711] COND FALSE 0 !(\read(res)) VAL [d={6:24}, data={6:0}, data={6:0}, res=0, t1={3:0}, t2={4:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={6:24}, d={6:24}, data={6:0}, data={6:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=7, res=0, t1={3:0}, t2={4:0}] [L1689] 1 struct device *dev = (struct device*)arg; VAL [arg={6:24}, arg={6:24}, dev={6:24}, t1={3:0}, t2={4:0}] [L1690] 1 struct my_data *data; VAL [arg={6:24}, arg={6:24}, dev={6:24}, t1={3:0}, t2={4:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, dev={6:24}, t1={3:0}, t2={4:0}] [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={3:0}, t2={4:0}] [L1694] 1 data->shared.a = 1 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={3:0}, t2={4:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, d={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=8, res=0, t1={3:0}, t2={4:0}] [L1715] 0 return 0; VAL [\result=0, __mptr={6:24}, arg={6:24}, arg={6:24}, d={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, res=0, t1={3:0}, t2={4:0}] [L1749] RET, EXPR 0 my_drv_probe(&data) [L1749] 0 probe_ret = my_drv_probe(&data) VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, dev={6:24}, my_drv_probe(&data)=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1750] COND TRUE 0 probe_ret==0 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, dev={6:24}, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1751] CALL 0 my_drv_disconnect(&data) [L1697] EXPR 1 data->shared.b [L1697] 1 int lb = data->shared.b; [L1700] 1 data->shared.b = lb + 1 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1703] 1 return 0; VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1721] 0 void *status; VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1={3:0}, t2={4:0}] [L1722] 0 \read(t1) VAL [\read(t1)=7, \result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1={3:0}, t2={4:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\read(t1)=7, \result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, pthread_join(t1, &status)={0:0}, status={5:0}, t1={3:0}, t2={4:0}] [L1724] 0 data->shared.a = 3 VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1={3:0}, t2={4:0}] [L1689] 2 struct device *dev = (struct device*)arg; VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1690] 2 struct my_data *data; VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1694] 2 data->shared.a = 1 VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1727] 0 data->shared.b = 3 VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1={3:0}, t2={4:0}] [L1730] EXPR 0 data->shared.a [L1730] CALL 0 ldv_assert(data->shared.a==3) [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, expression=0, lb=0, t1={3:0}, t2={4:0}] - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1714]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1713]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 185 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 209 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 209 mSDsluCounter, 389 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 338 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 559 IncrementalHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 135 mSDtfsCounter, 559 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=923occurred in iteration=2, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 478 NumberOfCodeBlocks, 478 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 536 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-01-19 11:28:45,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...