/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 20:28:38,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 20:28:38,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 20:28:38,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 20:28:38,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 20:28:38,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 20:28:38,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 20:28:38,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 20:28:38,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 20:28:38,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 20:28:38,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 20:28:38,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 20:28:38,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 20:28:38,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 20:28:38,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 20:28:38,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 20:28:38,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 20:28:38,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 20:28:38,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 20:28:38,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 20:28:38,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 20:28:38,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 20:28:38,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 20:28:38,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 20:28:38,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 20:28:38,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 20:28:38,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 20:28:38,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 20:28:38,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 20:28:38,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 20:28:38,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 20:28:38,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 20:28:38,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 20:28:38,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 20:28:38,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 20:28:38,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 20:28:38,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 20:28:38,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 20:28:38,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 20:28:38,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 20:28:38,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 20:28:38,101 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2022-12-05 20:28:38,123 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 20:28:38,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 20:28:38,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 20:28:38,124 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 20:28:38,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 20:28:38,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 20:28:38,124 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 20:28:38,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 20:28:38,125 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 20:28:38,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 20:28:38,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 20:28:38,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 20:28:38,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 20:28:38,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 20:28:38,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 20:28:38,125 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 20:28:38,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 20:28:38,126 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 20:28:38,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 20:28:38,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 20:28:38,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 20:28:38,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 20:28:38,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 20:28:38,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:28:38,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 20:28:38,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 20:28:38,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 20:28:38,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 20:28:38,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 20:28:38,127 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 20:28:38,127 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 20:28:38,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 20:28:38,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 20:28:38,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 20:28:38,421 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 20:28:38,422 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 20:28:38,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2022-12-05 20:28:39,412 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 20:28:39,648 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 20:28:39,648 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2022-12-05 20:28:39,677 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc228c846/3ad20b954f744618b8313a8bf448c24b/FLAG8cf5128b2 [2022-12-05 20:28:39,702 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc228c846/3ad20b954f744618b8313a8bf448c24b [2022-12-05 20:28:39,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 20:28:39,705 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 20:28:39,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 20:28:39,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 20:28:39,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 20:28:39,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:28:39" (1/1) ... [2022-12-05 20:28:39,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa60702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:39, skipping insertion in model container [2022-12-05 20:28:39,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:28:39" (1/1) ... [2022-12-05 20:28:39,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 20:28:39,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 20:28:39,915 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-05 20:28:40,311 WARN L237 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-3_2-container_of-global.i[75009,75022] [2022-12-05 20:28:40,319 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:28:40,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:28:40,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:28:40,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:28:40,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:28:40,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:28:40,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:28:40,359 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 20:28:40,367 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-05 20:28:40,391 WARN L237 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-3_2-container_of-global.i[75009,75022] [2022-12-05 20:28:40,392 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:28:40,392 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:28:40,392 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:28:40,393 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:28:40,393 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:28:40,393 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:28:40,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:28:40,495 INFO L208 MainTranslator]: Completed translation [2022-12-05 20:28:40,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:40 WrapperNode [2022-12-05 20:28:40,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 20:28:40,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 20:28:40,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 20:28:40,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 20:28:40,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:40" (1/1) ... [2022-12-05 20:28:40,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:40" (1/1) ... [2022-12-05 20:28:40,545 INFO L138 Inliner]: procedures = 468, calls = 52, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 134 [2022-12-05 20:28:40,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 20:28:40,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 20:28:40,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 20:28:40,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 20:28:40,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:40" (1/1) ... [2022-12-05 20:28:40,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:40" (1/1) ... [2022-12-05 20:28:40,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:40" (1/1) ... [2022-12-05 20:28:40,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:40" (1/1) ... [2022-12-05 20:28:40,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:40" (1/1) ... [2022-12-05 20:28:40,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:40" (1/1) ... [2022-12-05 20:28:40,570 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:40" (1/1) ... [2022-12-05 20:28:40,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:40" (1/1) ... [2022-12-05 20:28:40,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 20:28:40,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 20:28:40,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 20:28:40,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 20:28:40,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:40" (1/1) ... [2022-12-05 20:28:40,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:28:40,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:28:40,624 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) [2022-12-05 20:28:40,645 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 [2022-12-05 20:28:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-05 20:28:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 20:28:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-05 20:28:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 20:28:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 20:28:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-05 20:28:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 20:28:40,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 20:28:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-12-05 20:28:40,657 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-12-05 20:28:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 20:28:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 20:28:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 20:28:40,658 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 20:28:40,873 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 20:28:40,874 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 20:28:41,073 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 20:28:41,088 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 20:28:41,089 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 20:28:41,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:28:41 BoogieIcfgContainer [2022-12-05 20:28:41,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 20:28:41,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 20:28:41,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 20:28:41,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 20:28:41,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:28:39" (1/3) ... [2022-12-05 20:28:41,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f906040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:28:41, skipping insertion in model container [2022-12-05 20:28:41,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:40" (2/3) ... [2022-12-05 20:28:41,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f906040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:28:41, skipping insertion in model container [2022-12-05 20:28:41,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:28:41" (3/3) ... [2022-12-05 20:28:41,097 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2022-12-05 20:28:41,109 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 20:28:41,110 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-05 20:28:41,110 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 20:28:41,152 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-05 20:28:41,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 163 places, 165 transitions, 346 flow [2022-12-05 20:28:41,273 INFO L130 PetriNetUnfolder]: 10/203 cut-off events. [2022-12-05 20:28:41,273 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 20:28:41,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 203 events. 10/203 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 309 event pairs, 0 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 120. Up to 4 conditions per place. [2022-12-05 20:28:41,277 INFO L82 GeneralOperation]: Start removeDead. Operand has 163 places, 165 transitions, 346 flow [2022-12-05 20:28:41,281 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 153 places, 153 transitions, 318 flow [2022-12-05 20:28:41,282 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 20:28:41,302 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 153 transitions, 318 flow [2022-12-05 20:28:41,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 153 places, 153 transitions, 318 flow [2022-12-05 20:28:41,356 INFO L130 PetriNetUnfolder]: 7/184 cut-off events. [2022-12-05 20:28:41,356 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 20:28:41,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 184 events. 7/184 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 259 event pairs, 0 based on Foata normal form. 0/169 useless extension candidates. Maximal degree in co-relation 110. Up to 4 conditions per place. [2022-12-05 20:28:41,361 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 153 transitions, 318 flow [2022-12-05 20:28:41,362 INFO L188 LiptonReduction]: Number of co-enabled transitions 1584 [2022-12-05 20:28:41,631 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:41,632 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:41,634 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:41,635 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:41,825 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:41,826 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:41,828 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:41,828 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:42,008 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:42,009 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:42,010 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:42,011 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:42,054 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:42,054 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:42,056 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:42,056 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:49,350 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:49,351 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:49,352 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:49,353 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:56,478 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:56,479 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:56,481 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:56,481 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:58,801 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:58,802 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:58,803 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:58,804 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:58,839 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:58,840 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:58,841 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:58,841 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:01,467 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:01,468 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:01,469 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:01,469 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:01,642 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:01,643 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:01,644 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:01,644 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:01,646 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:01,647 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:01,648 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:01,648 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:01,886 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:01,886 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:01,888 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:01,889 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:01,943 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:01,944 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:01,945 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:01,946 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:01,948 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:01,948 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:01,951 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:01,951 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:09,511 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:09,512 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:09,513 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:09,514 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:10,103 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:10,104 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:10,105 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:10,106 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:10,177 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:10,179 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:10,180 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:10,181 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:10,287 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:10,288 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:29:10,291 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:10,292 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:10,295 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:10,295 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:29:10,298 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:10,298 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:17,196 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:17,196 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:17,198 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:17,199 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:22,533 INFO L203 LiptonReduction]: Total number of compositions: 127 [2022-12-05 20:29:22,547 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 20:29:22,556 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@f7b686a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 20:29:22,556 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-05 20:29:22,558 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-05 20:29:22,558 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:29:22,558 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:29:22,559 INFO L213 CegarLoopForPetriNet]: trace histogram [1] [2022-12-05 20:29:22,559 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:29:22,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:29:22,562 INFO L85 PathProgramCache]: Analyzing trace with hash 573, now seen corresponding path program 1 times [2022-12-05 20:29:22,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:29:22,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071244473] [2022-12-05 20:29:22,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:29:22,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:29:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:29:22,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:29:22,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:29:22,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071244473] [2022-12-05 20:29:22,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071244473] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:29:22,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:29:22,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-05 20:29:22,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958388394] [2022-12-05 20:29:22,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:29:22,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-05 20:29:22,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:29:22,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-05 20:29:22,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-05 20:29:22,763 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 29 [2022-12-05 20:29:22,764 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 29 transitions, 70 flow. Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-12-05 20:29:22,764 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:29:22,764 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 29 [2022-12-05 20:29:22,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:29:22,871 INFO L130 PetriNetUnfolder]: 142/276 cut-off events. [2022-12-05 20:29:22,871 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-12-05 20:29:22,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 559 conditions, 276 events. 142/276 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1092 event pairs, 141 based on Foata normal form. 17/269 useless extension candidates. Maximal degree in co-relation 490. Up to 265 conditions per place. [2022-12-05 20:29:22,873 INFO L137 encePairwiseOnDemand]: 26/29 looper letters, 23 selfloop transitions, 0 changer transitions 0/26 dead transitions. [2022-12-05 20:29:22,874 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 26 transitions, 110 flow [2022-12-05 20:29:22,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-05 20:29:22,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-05 20:29:22,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 32 transitions. [2022-12-05 20:29:22,881 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5517241379310345 [2022-12-05 20:29:22,883 INFO L175 Difference]: Start difference. First operand has 33 places, 29 transitions, 70 flow. Second operand 2 states and 32 transitions. [2022-12-05 20:29:22,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 26 transitions, 110 flow [2022-12-05 20:29:22,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 26 transitions, 102 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-05 20:29:22,886 INFO L231 Difference]: Finished difference. Result has 28 places, 26 transitions, 56 flow [2022-12-05 20:29:22,887 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=56, PETRI_PLACES=28, PETRI_TRANSITIONS=26} [2022-12-05 20:29:22,889 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, -5 predicate places. [2022-12-05 20:29:22,889 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 26 transitions, 56 flow [2022-12-05 20:29:22,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-12-05 20:29:22,889 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:29:22,890 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-05 20:29:22,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 20:29:22,890 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:29:22,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:29:22,890 INFO L85 PathProgramCache]: Analyzing trace with hash 17847559, now seen corresponding path program 1 times [2022-12-05 20:29:22,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:29:22,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766777916] [2022-12-05 20:29:22,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:29:22,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:29:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:29:23,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:29:23,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:29:23,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766777916] [2022-12-05 20:29:23,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766777916] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:29:23,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:29:23,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 20:29:23,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140261971] [2022-12-05 20:29:23,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:29:23,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:29:23,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:29:23,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:29:23,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 20:29:23,212 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-05 20:29:23,212 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 26 transitions, 56 flow. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-12-05 20:29:23,212 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:29:23,212 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-05 20:29:23,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:29:23,366 INFO L130 PetriNetUnfolder]: 264/482 cut-off events. [2022-12-05 20:29:23,366 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 20:29:23,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 972 conditions, 482 events. 264/482 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2024 event pairs, 121 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 969. Up to 382 conditions per place. [2022-12-05 20:29:23,370 INFO L137 encePairwiseOnDemand]: 22/29 looper letters, 29 selfloop transitions, 6 changer transitions 0/35 dead transitions. [2022-12-05 20:29:23,370 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 35 transitions, 144 flow [2022-12-05 20:29:23,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:29:23,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:29:23,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 36 transitions. [2022-12-05 20:29:23,373 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.41379310344827586 [2022-12-05 20:29:23,373 INFO L175 Difference]: Start difference. First operand has 28 places, 26 transitions, 56 flow. Second operand 3 states and 36 transitions. [2022-12-05 20:29:23,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 35 transitions, 144 flow [2022-12-05 20:29:23,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 35 transitions, 144 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-05 20:29:23,374 INFO L231 Difference]: Finished difference. Result has 31 places, 30 transitions, 92 flow [2022-12-05 20:29:23,374 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=31, PETRI_TRANSITIONS=30} [2022-12-05 20:29:23,375 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, -2 predicate places. [2022-12-05 20:29:23,375 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 30 transitions, 92 flow [2022-12-05 20:29:23,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-12-05 20:29:23,375 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:29:23,376 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-05 20:29:23,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 20:29:23,376 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:29:23,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:29:23,377 INFO L85 PathProgramCache]: Analyzing trace with hash 553267398, now seen corresponding path program 1 times [2022-12-05 20:29:23,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:29:23,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385814952] [2022-12-05 20:29:23,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:29:23,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:29:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:29:23,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:29:23,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:29:23,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385814952] [2022-12-05 20:29:23,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385814952] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:29:23,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:29:23,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 20:29:23,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291262540] [2022-12-05 20:29:23,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:29:23,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:29:23,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:29:23,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:29:23,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 20:29:23,552 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-05 20:29:23,552 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 30 transitions, 92 flow. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-05 20:29:23,552 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:29:23,552 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-05 20:29:23,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:29:23,688 INFO L130 PetriNetUnfolder]: 291/537 cut-off events. [2022-12-05 20:29:23,689 INFO L131 PetriNetUnfolder]: For 147/147 co-relation queries the response was YES. [2022-12-05 20:29:23,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1398 conditions, 537 events. 291/537 cut-off events. For 147/147 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2428 event pairs, 133 based on Foata normal form. 32/566 useless extension candidates. Maximal degree in co-relation 1393. Up to 419 conditions per place. [2022-12-05 20:29:23,692 INFO L137 encePairwiseOnDemand]: 23/29 looper letters, 30 selfloop transitions, 9 changer transitions 3/42 dead transitions. [2022-12-05 20:29:23,692 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 42 transitions, 222 flow [2022-12-05 20:29:23,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:29:23,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:29:23,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2022-12-05 20:29:23,694 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.40229885057471265 [2022-12-05 20:29:23,694 INFO L175 Difference]: Start difference. First operand has 31 places, 30 transitions, 92 flow. Second operand 3 states and 35 transitions. [2022-12-05 20:29:23,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 42 transitions, 222 flow [2022-12-05 20:29:23,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 42 transitions, 212 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 20:29:23,696 INFO L231 Difference]: Finished difference. Result has 33 places, 35 transitions, 155 flow [2022-12-05 20:29:23,696 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=155, PETRI_PLACES=33, PETRI_TRANSITIONS=35} [2022-12-05 20:29:23,697 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 0 predicate places. [2022-12-05 20:29:23,697 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 35 transitions, 155 flow [2022-12-05 20:29:23,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-05 20:29:23,697 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:29:23,697 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:29:23,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 20:29:23,697 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:29:23,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:29:23,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1018666513, now seen corresponding path program 1 times [2022-12-05 20:29:23,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:29:23,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864628311] [2022-12-05 20:29:23,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:29:23,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:29:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:29:23,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:29:23,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:29:23,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864628311] [2022-12-05 20:29:23,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864628311] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:29:23,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:29:23,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 20:29:23,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626002593] [2022-12-05 20:29:23,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:29:23,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:29:23,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:29:23,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:29:23,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 20:29:23,777 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 29 [2022-12-05 20:29:23,777 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 35 transitions, 155 flow. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-12-05 20:29:23,777 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:29:23,777 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 29 [2022-12-05 20:29:23,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:29:23,840 INFO L130 PetriNetUnfolder]: 69/141 cut-off events. [2022-12-05 20:29:23,840 INFO L131 PetriNetUnfolder]: For 118/118 co-relation queries the response was YES. [2022-12-05 20:29:23,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 401 conditions, 141 events. 69/141 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 405 event pairs, 45 based on Foata normal form. 16/156 useless extension candidates. Maximal degree in co-relation 395. Up to 98 conditions per place. [2022-12-05 20:29:23,841 INFO L137 encePairwiseOnDemand]: 26/29 looper letters, 21 selfloop transitions, 2 changer transitions 0/24 dead transitions. [2022-12-05 20:29:23,842 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 24 transitions, 130 flow [2022-12-05 20:29:23,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:29:23,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:29:23,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2022-12-05 20:29:23,844 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3793103448275862 [2022-12-05 20:29:23,844 INFO L175 Difference]: Start difference. First operand has 33 places, 35 transitions, 155 flow. Second operand 3 states and 33 transitions. [2022-12-05 20:29:23,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 24 transitions, 130 flow [2022-12-05 20:29:23,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 24 transitions, 114 flow, removed 8 selfloop flow, removed 1 redundant places. [2022-12-05 20:29:23,846 INFO L231 Difference]: Finished difference. Result has 26 places, 18 transitions, 52 flow [2022-12-05 20:29:23,847 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=52, PETRI_PLACES=26, PETRI_TRANSITIONS=18} [2022-12-05 20:29:23,848 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, -7 predicate places. [2022-12-05 20:29:23,848 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 18 transitions, 52 flow [2022-12-05 20:29:23,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-12-05 20:29:23,848 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:29:23,848 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:29:23,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-05 20:29:23,849 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:29:23,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:29:23,849 INFO L85 PathProgramCache]: Analyzing trace with hash 617801546, now seen corresponding path program 1 times [2022-12-05 20:29:23,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:29:23,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352061167] [2022-12-05 20:29:23,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:29:23,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:29:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:29:24,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:29:24,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:29:24,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352061167] [2022-12-05 20:29:24,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352061167] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:29:24,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:29:24,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-05 20:29:24,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927190140] [2022-12-05 20:29:24,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:29:24,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-05 20:29:24,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:29:24,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-05 20:29:24,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-05 20:29:24,525 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-05 20:29:24,525 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 18 transitions, 52 flow. Second operand has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 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) [2022-12-05 20:29:24,525 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:29:24,525 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-05 20:29:24,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:29:24,765 INFO L130 PetriNetUnfolder]: 116/245 cut-off events. [2022-12-05 20:29:24,765 INFO L131 PetriNetUnfolder]: For 86/86 co-relation queries the response was YES. [2022-12-05 20:29:24,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 639 conditions, 245 events. 116/245 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 967 event pairs, 6 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 633. Up to 112 conditions per place. [2022-12-05 20:29:24,766 INFO L137 encePairwiseOnDemand]: 22/29 looper letters, 36 selfloop transitions, 10 changer transitions 0/46 dead transitions. [2022-12-05 20:29:24,766 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 46 transitions, 225 flow [2022-12-05 20:29:24,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 20:29:24,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 20:29:24,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 47 transitions. [2022-12-05 20:29:24,767 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.27011494252873564 [2022-12-05 20:29:24,767 INFO L175 Difference]: Start difference. First operand has 26 places, 18 transitions, 52 flow. Second operand 6 states and 47 transitions. [2022-12-05 20:29:24,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 46 transitions, 225 flow [2022-12-05 20:29:24,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 46 transitions, 213 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-05 20:29:24,769 INFO L231 Difference]: Finished difference. Result has 31 places, 24 transitions, 99 flow [2022-12-05 20:29:24,769 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=99, PETRI_PLACES=31, PETRI_TRANSITIONS=24} [2022-12-05 20:29:24,769 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, -2 predicate places. [2022-12-05 20:29:24,769 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 24 transitions, 99 flow [2022-12-05 20:29:24,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 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) [2022-12-05 20:29:24,770 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:29:24,770 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:29:24,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-05 20:29:24,770 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:29:24,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:29:24,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1387766860, now seen corresponding path program 2 times [2022-12-05 20:29:24,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:29:24,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738310560] [2022-12-05 20:29:24,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:29:24,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:29:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:29:25,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:29:25,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:29:25,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738310560] [2022-12-05 20:29:25,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738310560] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:29:25,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:29:25,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 20:29:25,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307152700] [2022-12-05 20:29:25,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:29:25,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 20:29:25,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:29:25,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 20:29:25,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-05 20:29:25,200 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-05 20:29:25,200 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 24 transitions, 99 flow. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) [2022-12-05 20:29:25,200 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:29:25,200 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-05 20:29:25,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:29:25,349 INFO L130 PetriNetUnfolder]: 133/292 cut-off events. [2022-12-05 20:29:25,349 INFO L131 PetriNetUnfolder]: For 207/207 co-relation queries the response was YES. [2022-12-05 20:29:25,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 817 conditions, 292 events. 133/292 cut-off events. For 207/207 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1193 event pairs, 64 based on Foata normal form. 0/291 useless extension candidates. Maximal degree in co-relation 809. Up to 118 conditions per place. [2022-12-05 20:29:25,351 INFO L137 encePairwiseOnDemand]: 21/29 looper letters, 30 selfloop transitions, 15 changer transitions 0/45 dead transitions. [2022-12-05 20:29:25,351 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 45 transitions, 275 flow [2022-12-05 20:29:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 20:29:25,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 20:29:25,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 40 transitions. [2022-12-05 20:29:25,353 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.22988505747126436 [2022-12-05 20:29:25,353 INFO L175 Difference]: Start difference. First operand has 31 places, 24 transitions, 99 flow. Second operand 6 states and 40 transitions. [2022-12-05 20:29:25,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 45 transitions, 275 flow [2022-12-05 20:29:25,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 45 transitions, 266 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-05 20:29:25,357 INFO L231 Difference]: Finished difference. Result has 37 places, 31 transitions, 195 flow [2022-12-05 20:29:25,357 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=195, PETRI_PLACES=37, PETRI_TRANSITIONS=31} [2022-12-05 20:29:25,359 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 4 predicate places. [2022-12-05 20:29:25,359 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 31 transitions, 195 flow [2022-12-05 20:29:25,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) [2022-12-05 20:29:25,359 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:29:25,359 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:29:25,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-05 20:29:25,359 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:29:25,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:29:25,360 INFO L85 PathProgramCache]: Analyzing trace with hash -2129398465, now seen corresponding path program 1 times [2022-12-05 20:29:25,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:29:25,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94482159] [2022-12-05 20:29:25,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:29:25,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:29:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:29:26,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:29:26,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:29:26,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94482159] [2022-12-05 20:29:26,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94482159] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:29:26,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:29:26,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-05 20:29:26,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017272279] [2022-12-05 20:29:26,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:29:26,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-05 20:29:26,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:29:26,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-05 20:29:26,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-12-05 20:29:26,671 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-05 20:29:26,671 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 31 transitions, 195 flow. Second operand has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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) [2022-12-05 20:29:26,671 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:29:26,671 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-05 20:29:26,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:29:27,313 INFO L130 PetriNetUnfolder]: 170/386 cut-off events. [2022-12-05 20:29:27,313 INFO L131 PetriNetUnfolder]: For 683/683 co-relation queries the response was YES. [2022-12-05 20:29:27,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1301 conditions, 386 events. 170/386 cut-off events. For 683/683 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1880 event pairs, 15 based on Foata normal form. 2/387 useless extension candidates. Maximal degree in co-relation 1290. Up to 170 conditions per place. [2022-12-05 20:29:27,315 INFO L137 encePairwiseOnDemand]: 18/29 looper letters, 60 selfloop transitions, 19 changer transitions 13/92 dead transitions. [2022-12-05 20:29:27,315 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 92 transitions, 705 flow [2022-12-05 20:29:27,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-05 20:29:27,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-05 20:29:27,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 69 transitions. [2022-12-05 20:29:27,316 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.23793103448275862 [2022-12-05 20:29:27,316 INFO L175 Difference]: Start difference. First operand has 37 places, 31 transitions, 195 flow. Second operand 10 states and 69 transitions. [2022-12-05 20:29:27,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 92 transitions, 705 flow [2022-12-05 20:29:27,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 92 transitions, 692 flow, removed 6 selfloop flow, removed 1 redundant places. [2022-12-05 20:29:27,319 INFO L231 Difference]: Finished difference. Result has 52 places, 48 transitions, 390 flow [2022-12-05 20:29:27,320 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=390, PETRI_PLACES=52, PETRI_TRANSITIONS=48} [2022-12-05 20:29:27,320 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 19 predicate places. [2022-12-05 20:29:27,320 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 48 transitions, 390 flow [2022-12-05 20:29:27,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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) [2022-12-05 20:29:27,320 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:29:27,320 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:29:27,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-05 20:29:27,320 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:29:27,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:29:27,321 INFO L85 PathProgramCache]: Analyzing trace with hash -984912523, now seen corresponding path program 2 times [2022-12-05 20:29:27,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:29:27,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248375814] [2022-12-05 20:29:27,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:29:27,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:29:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:29:28,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:29:28,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:29:28,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248375814] [2022-12-05 20:29:28,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248375814] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:29:28,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:29:28,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-05 20:29:28,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619897504] [2022-12-05 20:29:28,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:29:28,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-05 20:29:28,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:29:28,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-05 20:29:28,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-12-05 20:29:28,346 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-05 20:29:28,346 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 48 transitions, 390 flow. Second operand has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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) [2022-12-05 20:29:28,346 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:29:28,346 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-05 20:29:28,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:29:28,962 INFO L130 PetriNetUnfolder]: 196/447 cut-off events. [2022-12-05 20:29:28,963 INFO L131 PetriNetUnfolder]: For 1422/1422 co-relation queries the response was YES. [2022-12-05 20:29:28,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1973 conditions, 447 events. 196/447 cut-off events. For 1422/1422 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2278 event pairs, 28 based on Foata normal form. 2/448 useless extension candidates. Maximal degree in co-relation 1955. Up to 270 conditions per place. [2022-12-05 20:29:28,966 INFO L137 encePairwiseOnDemand]: 20/29 looper letters, 55 selfloop transitions, 23 changer transitions 14/92 dead transitions. [2022-12-05 20:29:28,966 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 92 transitions, 872 flow [2022-12-05 20:29:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-05 20:29:28,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-05 20:29:28,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 63 transitions. [2022-12-05 20:29:28,967 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.21724137931034482 [2022-12-05 20:29:28,967 INFO L175 Difference]: Start difference. First operand has 52 places, 48 transitions, 390 flow. Second operand 10 states and 63 transitions. [2022-12-05 20:29:28,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 92 transitions, 872 flow [2022-12-05 20:29:28,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 92 transitions, 842 flow, removed 15 selfloop flow, removed 2 redundant places. [2022-12-05 20:29:28,972 INFO L231 Difference]: Finished difference. Result has 62 places, 60 transitions, 581 flow [2022-12-05 20:29:28,972 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=581, PETRI_PLACES=62, PETRI_TRANSITIONS=60} [2022-12-05 20:29:28,973 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 29 predicate places. [2022-12-05 20:29:28,973 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 60 transitions, 581 flow [2022-12-05 20:29:28,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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) [2022-12-05 20:29:28,973 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:29:28,973 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:29:28,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-05 20:29:28,973 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:29:28,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:29:28,974 INFO L85 PathProgramCache]: Analyzing trace with hash 669381121, now seen corresponding path program 3 times [2022-12-05 20:29:28,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:29:28,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414576287] [2022-12-05 20:29:28,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:29:28,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:29:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:29:29,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:29:29,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:29:29,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414576287] [2022-12-05 20:29:29,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414576287] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:29:29,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:29:29,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-05 20:29:29,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406068031] [2022-12-05 20:29:29,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:29:29,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-05 20:29:29,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:29:29,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-05 20:29:29,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-12-05 20:29:29,842 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-05 20:29:29,842 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 60 transitions, 581 flow. Second operand has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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) [2022-12-05 20:29:29,842 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:29:29,842 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-05 20:29:29,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:29:30,427 INFO L130 PetriNetUnfolder]: 216/559 cut-off events. [2022-12-05 20:29:30,427 INFO L131 PetriNetUnfolder]: For 2420/2420 co-relation queries the response was YES. [2022-12-05 20:29:30,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2669 conditions, 559 events. 216/559 cut-off events. For 2420/2420 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 3348 event pairs, 32 based on Foata normal form. 2/557 useless extension candidates. Maximal degree in co-relation 2646. Up to 187 conditions per place. [2022-12-05 20:29:30,431 INFO L137 encePairwiseOnDemand]: 19/29 looper letters, 79 selfloop transitions, 43 changer transitions 14/136 dead transitions. [2022-12-05 20:29:30,431 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 136 transitions, 1385 flow [2022-12-05 20:29:30,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-05 20:29:30,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-12-05 20:29:30,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 87 transitions. [2022-12-05 20:29:30,432 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.25 [2022-12-05 20:29:30,432 INFO L175 Difference]: Start difference. First operand has 62 places, 60 transitions, 581 flow. Second operand 12 states and 87 transitions. [2022-12-05 20:29:30,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 136 transitions, 1385 flow [2022-12-05 20:29:30,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 136 transitions, 1311 flow, removed 27 selfloop flow, removed 5 redundant places. [2022-12-05 20:29:30,440 INFO L231 Difference]: Finished difference. Result has 71 places, 79 transitions, 880 flow [2022-12-05 20:29:30,440 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=535, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=880, PETRI_PLACES=71, PETRI_TRANSITIONS=79} [2022-12-05 20:29:30,441 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 38 predicate places. [2022-12-05 20:29:30,441 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 79 transitions, 880 flow [2022-12-05 20:29:30,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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) [2022-12-05 20:29:30,441 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:29:30,441 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:29:30,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-05 20:29:30,441 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:29:30,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:29:30,442 INFO L85 PathProgramCache]: Analyzing trace with hash 315622814, now seen corresponding path program 3 times [2022-12-05 20:29:30,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:29:30,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353816195] [2022-12-05 20:29:30,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:29:30,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:29:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:29:30,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:29:30,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:29:30,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353816195] [2022-12-05 20:29:30,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353816195] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:29:30,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:29:30,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-05 20:29:30,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155467840] [2022-12-05 20:29:30,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:29:30,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-05 20:29:30,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:29:30,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-05 20:29:30,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-05 20:29:30,928 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-05 20:29:30,929 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 79 transitions, 880 flow. Second operand has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 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) [2022-12-05 20:29:30,929 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:29:30,929 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-05 20:29:30,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:29:31,185 INFO L130 PetriNetUnfolder]: 208/560 cut-off events. [2022-12-05 20:29:31,186 INFO L131 PetriNetUnfolder]: For 3324/3324 co-relation queries the response was YES. [2022-12-05 20:29:31,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2837 conditions, 560 events. 208/560 cut-off events. For 3324/3324 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 3362 event pairs, 58 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 2811. Up to 320 conditions per place. [2022-12-05 20:29:31,192 INFO L137 encePairwiseOnDemand]: 22/29 looper letters, 96 selfloop transitions, 37 changer transitions 3/136 dead transitions. [2022-12-05 20:29:31,192 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 136 transitions, 1740 flow [2022-12-05 20:29:31,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 20:29:31,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 20:29:31,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 44 transitions. [2022-12-05 20:29:31,194 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.25287356321839083 [2022-12-05 20:29:31,194 INFO L175 Difference]: Start difference. First operand has 71 places, 79 transitions, 880 flow. Second operand 6 states and 44 transitions. [2022-12-05 20:29:31,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 136 transitions, 1740 flow [2022-12-05 20:29:31,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 136 transitions, 1647 flow, removed 22 selfloop flow, removed 5 redundant places. [2022-12-05 20:29:31,209 INFO L231 Difference]: Finished difference. Result has 70 places, 91 transitions, 1105 flow [2022-12-05 20:29:31,209 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1105, PETRI_PLACES=70, PETRI_TRANSITIONS=91} [2022-12-05 20:29:31,210 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 37 predicate places. [2022-12-05 20:29:31,210 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 91 transitions, 1105 flow [2022-12-05 20:29:31,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 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) [2022-12-05 20:29:31,210 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:29:31,210 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:29:31,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-05 20:29:31,210 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:29:31,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:29:31,211 INFO L85 PathProgramCache]: Analyzing trace with hash 717721127, now seen corresponding path program 4 times [2022-12-05 20:29:31,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:29:31,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007125382] [2022-12-05 20:29:31,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:29:31,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:29:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-05 20:29:31,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-05 20:29:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-05 20:29:31,293 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-05 20:29:31,293 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-05 20:29:31,294 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2022-12-05 20:29:31,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2022-12-05 20:29:31,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2022-12-05 20:29:31,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2022-12-05 20:29:31,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2022-12-05 20:29:31,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2022-12-05 20:29:31,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2022-12-05 20:29:31,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2022-12-05 20:29:31,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-05 20:29:31,296 INFO L458 BasicCegarLoop]: Path program histogram: [4, 3, 1, 1, 1, 1] [2022-12-05 20:29:31,300 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 20:29:31,300 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 20:29:31,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 08:29:31 BasicIcfg [2022-12-05 20:29:31,334 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 20:29:31,334 INFO L158 Benchmark]: Toolchain (without parser) took 51629.37ms. Allocated memory was 204.5MB in the beginning and 382.7MB in the end (delta: 178.3MB). Free memory was 162.3MB in the beginning and 229.3MB in the end (delta: -67.0MB). Peak memory consumption was 112.3MB. Max. memory is 8.0GB. [2022-12-05 20:29:31,334 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 204.5MB. Free memory is still 181.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 20:29:31,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 790.07ms. Allocated memory is still 204.5MB. Free memory was 161.8MB in the beginning and 159.3MB in the end (delta: 2.5MB). Peak memory consumption was 45.3MB. Max. memory is 8.0GB. [2022-12-05 20:29:31,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.87ms. Allocated memory is still 204.5MB. Free memory was 159.3MB in the beginning and 155.8MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-05 20:29:31,336 INFO L158 Benchmark]: Boogie Preprocessor took 29.53ms. Allocated memory is still 204.5MB. Free memory was 155.8MB in the beginning and 153.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-05 20:29:31,337 INFO L158 Benchmark]: RCFGBuilder took 504.22ms. Allocated memory is still 204.5MB. Free memory was 153.2MB in the beginning and 129.6MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-12-05 20:29:31,337 INFO L158 Benchmark]: TraceAbstraction took 50241.31ms. Allocated memory was 204.5MB in the beginning and 382.7MB in the end (delta: 178.3MB). Free memory was 129.1MB in the beginning and 229.3MB in the end (delta: -100.2MB). Peak memory consumption was 77.5MB. Max. memory is 8.0GB. [2022-12-05 20:29:31,340 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 204.5MB. Free memory is still 181.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 790.07ms. Allocated memory is still 204.5MB. Free memory was 161.8MB in the beginning and 159.3MB in the end (delta: 2.5MB). Peak memory consumption was 45.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.87ms. Allocated memory is still 204.5MB. Free memory was 159.3MB in the beginning and 155.8MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.53ms. Allocated memory is still 204.5MB. Free memory was 155.8MB in the beginning and 153.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 504.22ms. Allocated memory is still 204.5MB. Free memory was 153.2MB in the beginning and 129.6MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 50241.31ms. Allocated memory was 204.5MB in the beginning and 382.7MB in the end (delta: 178.3MB). Free memory was 129.1MB in the beginning and 229.3MB in the end (delta: -100.2MB). Peak memory consumption was 77.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.2s, 153 PlacesBefore, 33 PlacesAfterwards, 153 TransitionsBefore, 29 TransitionsAfterwards, 1584 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 77 TrivialYvCompositions, 43 ConcurrentYvCompositions, 4 ChoiceCompositions, 127 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 981, independent: 919, independent conditional: 919, independent unconditional: 0, dependent: 38, dependent conditional: 38, dependent unconditional: 0, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 981, independent: 919, independent conditional: 0, independent unconditional: 919, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 24, unknown conditional: 0, unknown unconditional: 24] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 981, independent: 919, independent conditional: 0, independent unconditional: 919, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 24, unknown conditional: 0, unknown unconditional: 24] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 981, independent: 919, independent conditional: 0, independent unconditional: 919, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 24, unknown conditional: 0, unknown unconditional: 24] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 845, independent: 808, independent conditional: 0, independent unconditional: 808, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 845, independent: 808, independent conditional: 0, independent unconditional: 808, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 37, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , SemanticIndependenceRelation.Query Time [ms]: [ total: 30617, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 455, dependent conditional: 0, dependent unconditional: 455, unknown: 30162, unknown conditional: 0, unknown unconditional: 30162] ], Cache Queries: [ total: 981, independent: 111, independent conditional: 0, independent unconditional: 111, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 855, unknown conditional: 0, unknown unconditional: 855] , Statistics on independence cache: Total cache size (in pairs): 1321, Positive cache size: 1298, Positive conditional cache size: 0, Positive unconditional cache size: 1298, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 14, Unknown conditional cache size: 0, Unknown unconditional cache size: 14, Eliminated conditions: 0, Maximal queried relation: -1 - 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; [L1688] 0 struct device *my_dev; [L1733] CALL, EXPR 0 my_drv_init() [L1727] 0 return 0; [L1733] RET, EXPR 0 my_drv_init() [L1733] 0 int ret = my_drv_init(); [L1734] COND TRUE 0 ret==0 [L1735] 0 int probe_ret; [L1736] 0 struct my_data data; [L1737] CALL, EXPR 0 my_drv_probe(&data) [L1705] 0 data->shared.a = 0 [L1706] 0 data->shared.b = 0 [L1707] EXPR 0 data->shared.a [L1707] CALL 0 ldv_assert(data->shared.a==0) [L1675] COND FALSE 0 !(!expression) [L1707] RET 0 ldv_assert(data->shared.a==0) [L1708] EXPR 0 data->shared.b [L1708] CALL 0 ldv_assert(data->shared.b==0) [L1675] COND FALSE 0 !(!expression) [L1708] RET 0 ldv_assert(data->shared.b==0) [L1709] 0 int res = __VERIFIER_nondet_int(); [L1710] COND FALSE 0 !(\read(res)) [L1712] 0 my_dev = &data->dev [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, data={6:0}, data={6:0}, my_dev={6:24}, pthread_create(&t1, ((void *)0), my_callback, ((void *)0))=-2, res=0, t1={3:0}, t2={4:0}] [L1690] 1 struct my_data *data; [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1693] 1 data->shared.a = 1 VAL [__mptr={6:24}, arg={0:0}, arg={0:0}, data={6:0}, my_dev={6:24}, t1={3:0}, t2={4:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, ((void *)0)) VAL [__mptr={6:24}, arg={0:0}, arg={0:0}, data={6:0}, data={6:0}, data={6:0}, my_dev={6:24}, pthread_create(&t2, ((void *)0), my_callback, ((void *)0))=-1, res=0, t1={3:0}, t2={4:0}] [L1696] EXPR 1 data->shared.b [L1696] 1 int lb = data->shared.b; [L1715] 0 return 0; [L1737] RET, EXPR 0 my_drv_probe(&data) [L1690] 2 struct my_data *data; [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1693] 2 data->shared.a = 1 VAL [__mptr={6:24}, arg={0:0}, arg={0:0}, data={6:0}, lb=0, my_dev={6:24}, t1={3:0}, t2={4:0}] [L1696] EXPR 2 data->shared.b [L1696] 2 int lb = data->shared.b; [L1737] 0 probe_ret = my_drv_probe(&data) [L1738] COND TRUE 0 probe_ret==0 [L1739] CALL 0 my_drv_disconnect(&data) [L1721] 0 void *status; [L1722] 0 \read(t1) VAL [\read(t1)=-2, __mptr={6:24}, arg={0:0}, arg={0:0}, data={6:0}, data={6:0}, data={6:0}, lb=0, my_dev={6:24}, status={5:0}, t1={3:0}, t2={4:0}] [L1699] 2 data->shared.b = lb + 1 [L1701] 2 return 0; [L1699] 1 data->shared.b = lb + 1 [L1701] 1 return 0; [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\read(t1)=-2, \result={0:0}, __mptr={6:24}, arg={0:0}, arg={0:0}, data={6:0}, data={6:0}, data={6:0}, lb=0, my_dev={6:24}, pthread_join(t1, &status)={0:0}, status={5:0}, t1={3:0}, t2={4:0}] [L1723] 0 \read(t2) VAL [\read(t2)=-1, \result={0:0}, __mptr={6:24}, arg={0:0}, arg={0:0}, data={6:0}, data={6:0}, data={6:0}, lb=0, my_dev={6:24}, status={5:0}, t1={3:0}, t2={4:0}] [L1723] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\read(t2)=-1, \result={0:0}, __mptr={6:24}, arg={0:0}, arg={0:0}, data={6:0}, data={6:0}, data={6:0}, lb=0, my_dev={6:24}, pthread_join(t2, &status)={0:0}, status={5:0}, t1={3:0}, t2={4:0}] [L1739] RET 0 my_drv_disconnect(&data) [L1740] EXPR 0 data.shared.a [L1740] CALL 0 ldv_assert(data.shared.a==1) [L1675] COND FALSE 0 !(!expression) [L1740] RET 0 ldv_assert(data.shared.a==1) [L1741] EXPR 0 data.shared.b [L1741] CALL 0 ldv_assert(data.shared.b==2) [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, __mptr={6:24}, arg={0:0}, arg={0:0}, data={6:0}, expression=0, lb=0, my_dev={6:24}, 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, 169 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: 50.1s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 41.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 222 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 222 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1800 IncrementalHoareTripleChecker+Invalid, 1903 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 7 mSDtfsCounter, 1800 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1105occurred in iteration=10, InterpolantAutomatonStates: 61, 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, 0.3s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 2325 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-05 20:29:31,400 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...