/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-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix052_pso.opt_rmo.opt_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 01:08:47,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 01:08:47,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 01:08:47,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 01:08:47,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 01:08:47,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 01:08:47,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 01:08:47,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 01:08:47,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 01:08:47,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 01:08:47,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 01:08:47,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 01:08:47,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 01:08:47,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 01:08:47,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 01:08:47,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 01:08:47,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 01:08:47,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 01:08:47,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 01:08:47,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 01:08:47,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 01:08:47,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 01:08:47,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 01:08:47,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 01:08:47,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 01:08:47,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 01:08:47,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 01:08:47,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 01:08:47,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 01:08:47,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 01:08:47,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 01:08:47,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 01:08:47,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 01:08:47,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 01:08:47,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 01:08:47,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 01:08:47,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 01:08:47,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 01:08:47,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 01:08:47,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 01:08:47,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 01:08:47,567 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-RepeatedSemanticLbe.epf [2022-12-06 01:08:47,593 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 01:08:47,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 01:08:47,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 01:08:47,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 01:08:47,596 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 01:08:47,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 01:08:47,597 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 01:08:47,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 01:08:47,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 01:08:47,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 01:08:47,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 01:08:47,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 01:08:47,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 01:08:47,599 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 01:08:47,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 01:08:47,599 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 01:08:47,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 01:08:47,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 01:08:47,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 01:08:47,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 01:08:47,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 01:08:47,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:08:47,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 01:08:47,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 01:08:47,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 01:08:47,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 01:08:47,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 01:08:47,601 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 01:08:47,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 01:08:47,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 01:08:47,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 01:08:47,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 01:08:47,913 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 01:08:47,914 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 01:08:47,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix052_pso.opt_rmo.opt_tso.opt.i [2022-12-06 01:08:49,019 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 01:08:49,220 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 01:08:49,220 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix052_pso.opt_rmo.opt_tso.opt.i [2022-12-06 01:08:49,230 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05dbd255e/8f703bf5f5b4421f8bb66e359cef3f80/FLAG0b19fc612 [2022-12-06 01:08:49,242 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05dbd255e/8f703bf5f5b4421f8bb66e359cef3f80 [2022-12-06 01:08:49,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 01:08:49,245 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 01:08:49,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 01:08:49,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 01:08:49,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 01:08:49,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:08:49" (1/1) ... [2022-12-06 01:08:49,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e665824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:49, skipping insertion in model container [2022-12-06 01:08:49,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:08:49" (1/1) ... [2022-12-06 01:08:49,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 01:08:49,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 01:08:49,423 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix052_pso.opt_rmo.opt_tso.opt.i[964,977] [2022-12-06 01:08:49,572 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,572 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,573 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,573 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,573 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,574 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,574 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,575 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,595 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,595 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,595 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,596 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,596 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,600 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,611 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,612 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,612 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,619 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,619 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,620 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,628 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,628 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,630 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:08:49,643 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 01:08:49,653 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix052_pso.opt_rmo.opt_tso.opt.i[964,977] [2022-12-06 01:08:49,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,692 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,692 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,692 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,692 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,693 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,693 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,694 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,694 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,694 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,694 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,695 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,695 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,695 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,697 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,697 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,697 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,698 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,699 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:08:49,699 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:08:49,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:08:49,734 INFO L208 MainTranslator]: Completed translation [2022-12-06 01:08:49,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:49 WrapperNode [2022-12-06 01:08:49,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 01:08:49,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 01:08:49,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 01:08:49,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 01:08:49,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:49" (1/1) ... [2022-12-06 01:08:49,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:49" (1/1) ... [2022-12-06 01:08:49,782 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 128 [2022-12-06 01:08:49,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 01:08:49,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 01:08:49,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 01:08:49,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 01:08:49,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:49" (1/1) ... [2022-12-06 01:08:49,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:49" (1/1) ... [2022-12-06 01:08:49,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:49" (1/1) ... [2022-12-06 01:08:49,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:49" (1/1) ... [2022-12-06 01:08:49,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:49" (1/1) ... [2022-12-06 01:08:49,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:49" (1/1) ... [2022-12-06 01:08:49,813 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:49" (1/1) ... [2022-12-06 01:08:49,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:49" (1/1) ... [2022-12-06 01:08:49,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 01:08:49,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 01:08:49,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 01:08:49,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 01:08:49,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:49" (1/1) ... [2022-12-06 01:08:49,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:08:49,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 01:08:49,859 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) [2022-12-06 01:08:49,867 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 [2022-12-06 01:08:49,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 01:08:49,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 01:08:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 01:08:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 01:08:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 01:08:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 01:08:49,890 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 01:08:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 01:08:49,890 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 01:08:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-06 01:08:49,890 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-06 01:08:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 01:08:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 01:08:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 01:08:49,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 01:08:49,891 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 01:08:50,035 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 01:08:50,036 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 01:08:50,333 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 01:08:50,415 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 01:08:50,415 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 01:08:50,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:08:50 BoogieIcfgContainer [2022-12-06 01:08:50,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 01:08:50,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 01:08:50,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 01:08:50,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 01:08:50,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 01:08:49" (1/3) ... [2022-12-06 01:08:50,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6673fcd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:08:50, skipping insertion in model container [2022-12-06 01:08:50,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:49" (2/3) ... [2022-12-06 01:08:50,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6673fcd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:08:50, skipping insertion in model container [2022-12-06 01:08:50,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:08:50" (3/3) ... [2022-12-06 01:08:50,423 INFO L112 eAbstractionObserver]: Analyzing ICFG mix052_pso.opt_rmo.opt_tso.opt.i [2022-12-06 01:08:50,435 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 01:08:50,436 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 01:08:50,436 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 01:08:50,494 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 01:08:50,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 114 places, 106 transitions, 227 flow [2022-12-06 01:08:50,598 INFO L130 PetriNetUnfolder]: 2/103 cut-off events. [2022-12-06 01:08:50,598 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:08:50,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 103 events. 2/103 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2022-12-06 01:08:50,604 INFO L82 GeneralOperation]: Start removeDead. Operand has 114 places, 106 transitions, 227 flow [2022-12-06 01:08:50,607 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 103 transitions, 215 flow [2022-12-06 01:08:50,609 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:08:50,628 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 103 transitions, 215 flow [2022-12-06 01:08:50,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 111 places, 103 transitions, 215 flow [2022-12-06 01:08:50,678 INFO L130 PetriNetUnfolder]: 2/103 cut-off events. [2022-12-06 01:08:50,679 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:08:50,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 103 events. 2/103 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2022-12-06 01:08:50,683 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 103 transitions, 215 flow [2022-12-06 01:08:50,684 INFO L188 LiptonReduction]: Number of co-enabled transitions 1676 [2022-12-06 01:08:54,351 INFO L203 LiptonReduction]: Total number of compositions: 82 [2022-12-06 01:08:54,362 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 01:08:54,366 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=REPEATED_LIPTON_PN, 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;@7cadd97e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 01:08:54,366 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-06 01:08:54,369 INFO L130 PetriNetUnfolder]: 0/12 cut-off events. [2022-12-06 01:08:54,369 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:08:54,369 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:08:54,369 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:08:54,370 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:08:54,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:08:54,373 INFO L85 PathProgramCache]: Analyzing trace with hash -625975120, now seen corresponding path program 1 times [2022-12-06 01:08:54,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:08:54,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744177690] [2022-12-06 01:08:54,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:08:54,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:08:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:08:54,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:08:54,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:08:54,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744177690] [2022-12-06 01:08:54,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744177690] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:08:54,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:08:54,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 01:08:54,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025115204] [2022-12-06 01:08:54,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:08:54,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:08:54,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:08:54,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:08:54,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:08:54,742 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 24 [2022-12-06 01:08:54,743 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-12-06 01:08:54,743 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:08:54,743 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 24 [2022-12-06 01:08:54,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:08:54,912 INFO L130 PetriNetUnfolder]: 615/1007 cut-off events. [2022-12-06 01:08:54,912 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-12-06 01:08:54,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1978 conditions, 1007 events. 615/1007 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4743 event pairs, 129 based on Foata normal form. 0/910 useless extension candidates. Maximal degree in co-relation 1967. Up to 703 conditions per place. [2022-12-06 01:08:54,921 INFO L137 encePairwiseOnDemand]: 19/24 looper letters, 23 selfloop transitions, 2 changer transitions 4/31 dead transitions. [2022-12-06 01:08:54,921 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 31 transitions, 129 flow [2022-12-06 01:08:54,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:08:54,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:08:54,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 40 transitions. [2022-12-06 01:08:54,930 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2022-12-06 01:08:54,933 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 0 predicate places. [2022-12-06 01:08:54,934 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:08:54,934 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 31 transitions, 129 flow [2022-12-06 01:08:54,947 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 31 transitions, 129 flow [2022-12-06 01:08:54,947 INFO L188 LiptonReduction]: Number of co-enabled transitions 68 [2022-12-06 01:08:55,077 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 01:08:55,078 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 145 [2022-12-06 01:08:55,078 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 29 transitions, 125 flow [2022-12-06 01:08:55,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-12-06 01:08:55,078 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:08:55,078 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:08:55,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 01:08:55,079 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:08:55,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:08:55,080 INFO L85 PathProgramCache]: Analyzing trace with hash -266648059, now seen corresponding path program 1 times [2022-12-06 01:08:55,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:08:55,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294088307] [2022-12-06 01:08:55,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:08:55,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:08:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:08:55,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:08:55,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:08:55,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294088307] [2022-12-06 01:08:55,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294088307] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:08:55,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:08:55,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 01:08:55,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193386487] [2022-12-06 01:08:55,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:08:55,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:08:55,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:08:55,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:08:55,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:08:55,211 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 20 [2022-12-06 01:08:55,212 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 29 transitions, 125 flow. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-12-06 01:08:55,212 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:08:55,212 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 20 [2022-12-06 01:08:55,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:08:55,349 INFO L130 PetriNetUnfolder]: 604/919 cut-off events. [2022-12-06 01:08:55,349 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-12-06 01:08:55,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2795 conditions, 919 events. 604/919 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3644 event pairs, 33 based on Foata normal form. 0/827 useless extension candidates. Maximal degree in co-relation 2781. Up to 883 conditions per place. [2022-12-06 01:08:55,353 INFO L137 encePairwiseOnDemand]: 15/20 looper letters, 35 selfloop transitions, 5 changer transitions 8/48 dead transitions. [2022-12-06 01:08:55,353 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 48 transitions, 303 flow [2022-12-06 01:08:55,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:08:55,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:08:55,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2022-12-06 01:08:55,355 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2022-12-06 01:08:55,356 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 0 predicate places. [2022-12-06 01:08:55,356 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:08:55,357 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 48 transitions, 303 flow [2022-12-06 01:08:55,360 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 48 transitions, 303 flow [2022-12-06 01:08:55,360 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:08:55,361 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:08:55,362 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 6 [2022-12-06 01:08:55,363 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 48 transitions, 303 flow [2022-12-06 01:08:55,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-12-06 01:08:55,363 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:08:55,363 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:08:55,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 01:08:55,364 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:08:55,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:08:55,364 INFO L85 PathProgramCache]: Analyzing trace with hash 323846209, now seen corresponding path program 1 times [2022-12-06 01:08:55,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:08:55,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758513091] [2022-12-06 01:08:55,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:08:55,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:08:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:08:55,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:08:55,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:08:55,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758513091] [2022-12-06 01:08:55,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758513091] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:08:55,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:08:55,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 01:08:55,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435966212] [2022-12-06 01:08:55,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:08:55,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:08:55,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:08:55,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:08:55,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:08:55,504 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 20 [2022-12-06 01:08:55,504 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 48 transitions, 303 flow. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-12-06 01:08:55,505 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:08:55,505 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 20 [2022-12-06 01:08:55,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:08:55,697 INFO L130 PetriNetUnfolder]: 892/1393 cut-off events. [2022-12-06 01:08:55,697 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-12-06 01:08:55,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5623 conditions, 1393 events. 892/1393 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 6459 event pairs, 11 based on Foata normal form. 0/1277 useless extension candidates. Maximal degree in co-relation 5606. Up to 1356 conditions per place. [2022-12-06 01:08:55,703 INFO L137 encePairwiseOnDemand]: 12/20 looper letters, 48 selfloop transitions, 12 changer transitions 17/77 dead transitions. [2022-12-06 01:08:55,703 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 77 transitions, 634 flow [2022-12-06 01:08:55,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:08:55,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:08:55,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 36 transitions. [2022-12-06 01:08:55,704 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6 [2022-12-06 01:08:55,705 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 2 predicate places. [2022-12-06 01:08:55,706 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:08:55,706 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 77 transitions, 634 flow [2022-12-06 01:08:55,713 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 77 transitions, 634 flow [2022-12-06 01:08:55,713 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:08:55,714 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:08:55,715 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 9 [2022-12-06 01:08:55,715 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 77 transitions, 634 flow [2022-12-06 01:08:55,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-12-06 01:08:55,715 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:08:55,715 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:08:55,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 01:08:55,717 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:08:55,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:08:55,720 INFO L85 PathProgramCache]: Analyzing trace with hash 323843605, now seen corresponding path program 1 times [2022-12-06 01:08:55,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:08:55,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711198354] [2022-12-06 01:08:55,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:08:55,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:08:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:08:55,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:08:55,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:08:55,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711198354] [2022-12-06 01:08:55,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711198354] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:08:55,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:08:55,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 01:08:55,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955148219] [2022-12-06 01:08:55,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:08:55,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 01:08:55,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:08:55,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 01:08:55,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 01:08:55,861 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 20 [2022-12-06 01:08:55,861 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 77 transitions, 634 flow. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-12-06 01:08:55,862 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:08:55,862 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 20 [2022-12-06 01:08:55,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:08:56,073 INFO L130 PetriNetUnfolder]: 697/1161 cut-off events. [2022-12-06 01:08:56,074 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-12-06 01:08:56,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5857 conditions, 1161 events. 697/1161 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 5463 event pairs, 13 based on Foata normal form. 76/1134 useless extension candidates. Maximal degree in co-relation 5837. Up to 1137 conditions per place. [2022-12-06 01:08:56,081 INFO L137 encePairwiseOnDemand]: 13/20 looper letters, 75 selfloop transitions, 12 changer transitions 85/172 dead transitions. [2022-12-06 01:08:56,081 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 172 transitions, 1747 flow [2022-12-06 01:08:56,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 01:08:56,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 01:08:56,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2022-12-06 01:08:56,084 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.55 [2022-12-06 01:08:56,086 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 6 predicate places. [2022-12-06 01:08:56,087 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:08:56,087 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 172 transitions, 1747 flow [2022-12-06 01:08:56,097 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 172 transitions, 1747 flow [2022-12-06 01:08:56,098 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:08:56,100 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:08:56,106 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 20 [2022-12-06 01:08:56,107 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 172 transitions, 1747 flow [2022-12-06 01:08:56,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-12-06 01:08:56,107 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:08:56,107 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:08:56,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 01:08:56,107 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:08:56,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:08:56,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1560846955, now seen corresponding path program 1 times [2022-12-06 01:08:56,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:08:56,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978439567] [2022-12-06 01:08:56,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:08:56,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:08:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:08:56,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:08:56,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:08:56,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978439567] [2022-12-06 01:08:56,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978439567] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:08:56,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:08:56,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 01:08:56,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43025598] [2022-12-06 01:08:56,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:08:56,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 01:08:56,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:08:56,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 01:08:56,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 01:08:56,261 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 20 [2022-12-06 01:08:56,261 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 172 transitions, 1747 flow. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 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) [2022-12-06 01:08:56,261 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:08:56,261 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 20 [2022-12-06 01:08:56,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:08:56,446 INFO L130 PetriNetUnfolder]: 518/898 cut-off events. [2022-12-06 01:08:56,447 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-12-06 01:08:56,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5441 conditions, 898 events. 518/898 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 4158 event pairs, 0 based on Foata normal form. 51/864 useless extension candidates. Maximal degree in co-relation 5418. Up to 876 conditions per place. [2022-12-06 01:08:56,454 INFO L137 encePairwiseOnDemand]: 13/20 looper letters, 80 selfloop transitions, 22 changer transitions 147/249 dead transitions. [2022-12-06 01:08:56,454 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 249 transitions, 3021 flow [2022-12-06 01:08:56,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 01:08:56,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 01:08:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 75 transitions. [2022-12-06 01:08:56,456 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5357142857142857 [2022-12-06 01:08:56,457 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 12 predicate places. [2022-12-06 01:08:56,458 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:08:56,458 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 249 transitions, 3021 flow [2022-12-06 01:08:56,465 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 249 transitions, 3021 flow [2022-12-06 01:08:56,465 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:08:56,465 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:08:56,466 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 9 [2022-12-06 01:08:56,466 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 249 transitions, 3021 flow [2022-12-06 01:08:56,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 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) [2022-12-06 01:08:56,466 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:08:56,466 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:08:56,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 01:08:56,467 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:08:56,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:08:56,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1570285619, now seen corresponding path program 1 times [2022-12-06 01:08:56,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:08:56,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890805242] [2022-12-06 01:08:56,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:08:56,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:08:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:08:56,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:08:56,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:08:56,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890805242] [2022-12-06 01:08:56,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890805242] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:08:56,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:08:56,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 01:08:56,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544699186] [2022-12-06 01:08:56,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:08:56,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 01:08:56,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:08:56,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 01:08:56,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-06 01:08:56,678 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 20 [2022-12-06 01:08:56,678 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 249 transitions, 3021 flow. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-12-06 01:08:56,678 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:08:56,679 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 20 [2022-12-06 01:08:56,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:08:56,890 INFO L130 PetriNetUnfolder]: 480/825 cut-off events. [2022-12-06 01:08:56,890 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-12-06 01:08:56,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5829 conditions, 825 events. 480/825 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3731 event pairs, 0 based on Foata normal form. 17/765 useless extension candidates. Maximal degree in co-relation 5803. Up to 803 conditions per place. [2022-12-06 01:08:56,894 INFO L137 encePairwiseOnDemand]: 13/20 looper letters, 68 selfloop transitions, 25 changer transitions 169/262 dead transitions. [2022-12-06 01:08:56,894 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 262 transitions, 3701 flow [2022-12-06 01:08:56,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-06 01:08:56,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-06 01:08:56,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 77 transitions. [2022-12-06 01:08:56,897 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.42777777777777776 [2022-12-06 01:08:56,899 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 20 predicate places. [2022-12-06 01:08:56,901 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:08:56,901 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 262 transitions, 3701 flow [2022-12-06 01:08:56,908 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 262 transitions, 3701 flow [2022-12-06 01:08:56,908 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:08:56,910 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:08:56,910 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 10 [2022-12-06 01:08:56,910 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 262 transitions, 3701 flow [2022-12-06 01:08:56,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-12-06 01:08:56,911 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:08:56,911 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:08:56,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 01:08:56,911 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:08:56,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:08:56,911 INFO L85 PathProgramCache]: Analyzing trace with hash -590233886, now seen corresponding path program 1 times [2022-12-06 01:08:56,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:08:56,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720879170] [2022-12-06 01:08:56,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:08:56,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:08:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:08:57,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:08:57,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:08:57,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720879170] [2022-12-06 01:08:57,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720879170] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:08:57,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:08:57,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 01:08:57,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957772529] [2022-12-06 01:08:57,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:08:57,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 01:08:57,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:08:57,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 01:08:57,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 01:08:57,043 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 20 [2022-12-06 01:08:57,043 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 262 transitions, 3701 flow. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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) [2022-12-06 01:08:57,043 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:08:57,043 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 20 [2022-12-06 01:08:57,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:08:57,228 INFO L130 PetriNetUnfolder]: 530/929 cut-off events. [2022-12-06 01:08:57,228 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-12-06 01:08:57,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7487 conditions, 929 events. 530/929 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4411 event pairs, 0 based on Foata normal form. 0/840 useless extension candidates. Maximal degree in co-relation 7458. Up to 907 conditions per place. [2022-12-06 01:08:57,231 INFO L137 encePairwiseOnDemand]: 16/20 looper letters, 43 selfloop transitions, 4 changer transitions 304/351 dead transitions. [2022-12-06 01:08:57,231 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 351 transitions, 5655 flow [2022-12-06 01:08:57,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 01:08:57,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 01:08:57,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 42 transitions. [2022-12-06 01:08:57,232 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.525 [2022-12-06 01:08:57,233 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 23 predicate places. [2022-12-06 01:08:57,233 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:08:57,233 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 351 transitions, 5655 flow [2022-12-06 01:08:57,243 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 351 transitions, 5655 flow [2022-12-06 01:08:57,243 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:08:57,244 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:08:57,245 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 12 [2022-12-06 01:08:57,245 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 351 transitions, 5655 flow [2022-12-06 01:08:57,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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) [2022-12-06 01:08:57,245 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:08:57,245 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:08:57,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 01:08:57,247 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:08:57,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:08:57,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1229268611, now seen corresponding path program 1 times [2022-12-06 01:08:57,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:08:57,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364931403] [2022-12-06 01:08:57,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:08:57,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:08:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:08:57,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:08:57,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:08:57,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364931403] [2022-12-06 01:08:57,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364931403] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:08:57,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:08:57,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 01:08:57,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640776677] [2022-12-06 01:08:57,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:08:57,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 01:08:57,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:08:57,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 01:08:57,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-06 01:08:57,689 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 20 [2022-12-06 01:08:57,689 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 351 transitions, 5655 flow. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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) [2022-12-06 01:08:57,689 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:08:57,689 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 20 [2022-12-06 01:08:57,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:08:57,935 INFO L130 PetriNetUnfolder]: 608/1098 cut-off events. [2022-12-06 01:08:57,936 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-12-06 01:08:57,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9938 conditions, 1098 events. 608/1098 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5695 event pairs, 0 based on Foata normal form. 0/990 useless extension candidates. Maximal degree in co-relation 9906. Up to 1076 conditions per place. [2022-12-06 01:08:57,939 INFO L137 encePairwiseOnDemand]: 14/20 looper letters, 0 selfloop transitions, 0 changer transitions 525/525 dead transitions. [2022-12-06 01:08:57,939 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 525 transitions, 9489 flow [2022-12-06 01:08:57,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 01:08:57,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 01:08:57,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 41 transitions. [2022-12-06 01:08:57,940 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.29285714285714287 [2022-12-06 01:08:57,941 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 28 predicate places. [2022-12-06 01:08:57,941 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:08:57,941 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 525 transitions, 9489 flow [2022-12-06 01:08:57,951 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 525 transitions, 9489 flow [2022-12-06 01:08:57,951 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:08:57,952 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:08:57,952 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 11 [2022-12-06 01:08:57,953 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 525 transitions, 9489 flow [2022-12-06 01:08:57,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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) [2022-12-06 01:08:57,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-12-06 01:08:57,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-12-06 01:08:57,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2022-12-06 01:08:57,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2022-12-06 01:08:57,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2022-12-06 01:08:57,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-12-06 01:08:57,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-06 01:08:57,956 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:08:57,959 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 01:08:57,959 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 01:08:57,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 01:08:57 BasicIcfg [2022-12-06 01:08:57,961 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 01:08:57,961 INFO L158 Benchmark]: Toolchain (without parser) took 8716.86ms. Allocated memory was 178.3MB in the beginning and 393.2MB in the end (delta: 215.0MB). Free memory was 141.8MB in the beginning and 267.0MB in the end (delta: -125.3MB). Peak memory consumption was 91.3MB. Max. memory is 8.0GB. [2022-12-06 01:08:57,962 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 178.3MB. Free memory is still 155.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 01:08:57,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.34ms. Allocated memory is still 178.3MB. Free memory was 141.2MB in the beginning and 116.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-12-06 01:08:57,962 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.29ms. Allocated memory is still 178.3MB. Free memory was 116.1MB in the beginning and 113.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 01:08:57,962 INFO L158 Benchmark]: Boogie Preprocessor took 32.74ms. Allocated memory is still 178.3MB. Free memory was 113.5MB in the beginning and 111.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 01:08:57,962 INFO L158 Benchmark]: RCFGBuilder took 601.05ms. Allocated memory is still 178.3MB. Free memory was 111.4MB in the beginning and 82.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-12-06 01:08:57,962 INFO L158 Benchmark]: TraceAbstraction took 7542.51ms. Allocated memory was 178.3MB in the beginning and 393.2MB in the end (delta: 215.0MB). Free memory was 81.5MB in the beginning and 267.0MB in the end (delta: -185.6MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-12-06 01:08:57,963 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 178.3MB. Free memory is still 155.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 489.34ms. Allocated memory is still 178.3MB. Free memory was 141.2MB in the beginning and 116.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.29ms. Allocated memory is still 178.3MB. Free memory was 116.1MB in the beginning and 113.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.74ms. Allocated memory is still 178.3MB. Free memory was 113.5MB in the beginning and 111.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 601.05ms. Allocated memory is still 178.3MB. Free memory was 111.4MB in the beginning and 82.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 7542.51ms. Allocated memory was 178.3MB in the beginning and 393.2MB in the end (delta: 215.0MB). Free memory was 81.5MB in the beginning and 267.0MB in the end (delta: -185.6MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.7s, 111 PlacesBefore, 33 PlacesAfterwards, 103 TransitionsBefore, 24 TransitionsAfterwards, 1676 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 38 TrivialYvCompositions, 42 ConcurrentYvCompositions, 1 ChoiceCompositions, 82 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1318, independent: 1275, independent conditional: 1275, independent unconditional: 0, dependent: 43, dependent conditional: 43, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1318, independent: 1275, independent conditional: 0, independent unconditional: 1275, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1318, independent: 1275, independent conditional: 0, independent unconditional: 1275, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1318, independent: 1275, independent conditional: 0, independent unconditional: 1275, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1059, independent: 1032, independent conditional: 0, independent unconditional: 1032, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1059, independent: 1016, independent conditional: 0, independent unconditional: 1016, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1318, independent: 243, independent conditional: 0, independent unconditional: 243, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 1059, unknown conditional: 0, unknown unconditional: 1059] , Statistics on independence cache: Total cache size (in pairs): 1698, Positive cache size: 1671, Positive conditional cache size: 0, Positive unconditional cache size: 1671, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 33 PlacesBefore, 31 PlacesAfterwards, 31 TransitionsBefore, 29 TransitionsAfterwards, 68 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 33 PlacesBefore, 33 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 35 PlacesBefore, 35 PlacesAfterwards, 77 TransitionsBefore, 77 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 39 PlacesBefore, 39 PlacesAfterwards, 172 TransitionsBefore, 172 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 45 PlacesBefore, 45 PlacesAfterwards, 249 TransitionsBefore, 249 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 53 PlacesBefore, 53 PlacesAfterwards, 262 TransitionsBefore, 262 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 56 PlacesBefore, 56 PlacesAfterwards, 351 TransitionsBefore, 351 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 61 PlacesBefore, 61 PlacesAfterwards, 525 TransitionsBefore, 525 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 131 locations, 6 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: 7.4s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 218 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 218 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 628 IncrementalHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 0 mSDtfsCounter, 628 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9489occurred in iteration=8, InterpolantAutomatonStates: 41, 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, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 304 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 01:08:57,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...