/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 04:31:59,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 04:31:59,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 04:31:59,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 04:31:59,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 04:31:59,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 04:31:59,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 04:31:59,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 04:31:59,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 04:31:59,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 04:31:59,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 04:31:59,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 04:31:59,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 04:31:59,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 04:31:59,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 04:31:59,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 04:31:59,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 04:31:59,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 04:31:59,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 04:31:59,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 04:31:59,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 04:31:59,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 04:31:59,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 04:31:59,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 04:31:59,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 04:31:59,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 04:31:59,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 04:31:59,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 04:31:59,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 04:31:59,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 04:31:59,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 04:31:59,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 04:31:59,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 04:31:59,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 04:31:59,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 04:31:59,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 04:31:59,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 04:31:59,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 04:31:59,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 04:31:59,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 04:31:59,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 04:31:59,383 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-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 04:31:59,415 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 04:31:59,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 04:31:59,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 04:31:59,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 04:31:59,418 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 04:31:59,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 04:31:59,419 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 04:31:59,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 04:31:59,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 04:31:59,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 04:31:59,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 04:31:59,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 04:31:59,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 04:31:59,420 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 04:31:59,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 04:31:59,421 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 04:31:59,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 04:31:59,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 04:31:59,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 04:31:59,421 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 04:31:59,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 04:31:59,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:31:59,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 04:31:59,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 04:31:59,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 04:31:59,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 04:31:59,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 04:31:59,422 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 04:31:59,422 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 04:31:59,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 04:31:59,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 04:31:59,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 04:31:59,766 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 04:31:59,767 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 04:31:59,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.i [2022-12-06 04:32:00,937 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 04:32:01,248 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 04:32:01,248 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.i [2022-12-06 04:32:01,261 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c22414f9/51aa2687b3f8444cb352b02126039f9f/FLAGf0b1b2fd0 [2022-12-06 04:32:01,291 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c22414f9/51aa2687b3f8444cb352b02126039f9f [2022-12-06 04:32:01,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 04:32:01,295 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 04:32:01,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 04:32:01,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 04:32:01,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 04:32:01,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:32:01" (1/1) ... [2022-12-06 04:32:01,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16dbbbf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:01, skipping insertion in model container [2022-12-06 04:32:01,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:32:01" (1/1) ... [2022-12-06 04:32:01,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 04:32:01,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 04:32:01,521 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/safe021_tso.i[945,958] [2022-12-06 04:32:01,666 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,667 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,667 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,667 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,669 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,670 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,670 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:32:01,696 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 04:32:01,710 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/safe021_tso.i[945,958] [2022-12-06 04:32:01,745 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,746 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,746 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,746 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,746 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,746 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,751 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,751 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,752 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,752 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,752 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,752 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,756 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,756 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,762 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,762 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,763 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,763 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,763 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:32:01,765 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:32:01,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:32:01,811 INFO L208 MainTranslator]: Completed translation [2022-12-06 04:32:01,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:01 WrapperNode [2022-12-06 04:32:01,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 04:32:01,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 04:32:01,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 04:32:01,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 04:32:01,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:01" (1/1) ... [2022-12-06 04:32:01,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:01" (1/1) ... [2022-12-06 04:32:01,866 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-12-06 04:32:01,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 04:32:01,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 04:32:01,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 04:32:01,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 04:32:01,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:01" (1/1) ... [2022-12-06 04:32:01,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:01" (1/1) ... [2022-12-06 04:32:01,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:01" (1/1) ... [2022-12-06 04:32:01,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:01" (1/1) ... [2022-12-06 04:32:01,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:01" (1/1) ... [2022-12-06 04:32:01,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:01" (1/1) ... [2022-12-06 04:32:01,900 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:01" (1/1) ... [2022-12-06 04:32:01,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:01" (1/1) ... [2022-12-06 04:32:01,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 04:32:01,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 04:32:01,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 04:32:01,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 04:32:01,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:01" (1/1) ... [2022-12-06 04:32:01,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:32:01,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 04:32:01,932 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 04:32:01,938 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 04:32:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 04:32:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 04:32:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 04:32:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 04:32:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 04:32:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 04:32:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 04:32:01,972 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 04:32:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 04:32:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-06 04:32:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-06 04:32:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 04:32:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 04:32:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 04:32:01,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 04:32:01,975 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 04:32:02,128 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 04:32:02,129 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 04:32:02,295 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 04:32:02,301 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 04:32:02,301 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 04:32:02,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:32:02 BoogieIcfgContainer [2022-12-06 04:32:02,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 04:32:02,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 04:32:02,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 04:32:02,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 04:32:02,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:32:01" (1/3) ... [2022-12-06 04:32:02,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d091f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:32:02, skipping insertion in model container [2022-12-06 04:32:02,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:01" (2/3) ... [2022-12-06 04:32:02,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d091f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:32:02, skipping insertion in model container [2022-12-06 04:32:02,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:32:02" (3/3) ... [2022-12-06 04:32:02,310 INFO L112 eAbstractionObserver]: Analyzing ICFG safe021_tso.i [2022-12-06 04:32:02,330 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 04:32:02,330 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 04:32:02,330 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 04:32:02,373 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 04:32:02,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 85 transitions, 185 flow [2022-12-06 04:32:02,439 INFO L130 PetriNetUnfolder]: 2/82 cut-off events. [2022-12-06 04:32:02,440 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:32:02,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2022-12-06 04:32:02,444 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 85 transitions, 185 flow [2022-12-06 04:32:02,447 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 70 transitions, 149 flow [2022-12-06 04:32:02,448 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:32:02,462 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 70 transitions, 149 flow [2022-12-06 04:32:02,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 70 transitions, 149 flow [2022-12-06 04:32:02,486 INFO L130 PetriNetUnfolder]: 1/70 cut-off events. [2022-12-06 04:32:02,489 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:32:02,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 70 events. 1/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 38 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2022-12-06 04:32:02,492 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 70 transitions, 149 flow [2022-12-06 04:32:02,492 INFO L188 LiptonReduction]: Number of co-enabled transitions 1044 [2022-12-06 04:32:04,659 INFO L203 LiptonReduction]: Total number of compositions: 53 [2022-12-06 04:32:04,674 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 04:32:04,679 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;@4d2f1f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 04:32:04,680 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 04:32:04,684 INFO L130 PetriNetUnfolder]: 0/13 cut-off events. [2022-12-06 04:32:04,684 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:32:04,684 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:32:04,687 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:32:04,687 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:32:04,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:32:04,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1273860417, now seen corresponding path program 1 times [2022-12-06 04:32:04,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:32:04,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649084562] [2022-12-06 04:32:04,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:32:04,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:32:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:32:05,093 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 04:32:05,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:32:05,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649084562] [2022-12-06 04:32:05,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649084562] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:32:05,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:32:05,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 04:32:05,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012771930] [2022-12-06 04:32:05,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:32:05,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:32:05,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:32:05,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:32:05,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:32:05,122 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 18 [2022-12-06 04:32:05,123 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 18 transitions, 45 flow. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:32:05,123 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:32:05,123 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 18 [2022-12-06 04:32:05,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:32:05,194 INFO L130 PetriNetUnfolder]: 143/266 cut-off events. [2022-12-06 04:32:05,195 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-12-06 04:32:05,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 537 conditions, 266 events. 143/266 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1098 event pairs, 53 based on Foata normal form. 9/271 useless extension candidates. Maximal degree in co-relation 526. Up to 154 conditions per place. [2022-12-06 04:32:05,199 INFO L137 encePairwiseOnDemand]: 14/18 looper letters, 17 selfloop transitions, 2 changer transitions 0/22 dead transitions. [2022-12-06 04:32:05,199 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 22 transitions, 91 flow [2022-12-06 04:32:05,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:32:05,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:32:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2022-12-06 04:32:05,209 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5740740740740741 [2022-12-06 04:32:05,210 INFO L175 Difference]: Start difference. First operand has 27 places, 18 transitions, 45 flow. Second operand 3 states and 31 transitions. [2022-12-06 04:32:05,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 22 transitions, 91 flow [2022-12-06 04:32:05,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 22 transitions, 88 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-06 04:32:05,214 INFO L231 Difference]: Finished difference. Result has 27 places, 17 transitions, 48 flow [2022-12-06 04:32:05,216 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=48, PETRI_PLACES=27, PETRI_TRANSITIONS=17} [2022-12-06 04:32:05,219 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 0 predicate places. [2022-12-06 04:32:05,219 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:32:05,219 INFO L89 Accepts]: Start accepts. Operand has 27 places, 17 transitions, 48 flow [2022-12-06 04:32:05,222 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:32:05,222 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:32:05,222 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 17 transitions, 48 flow [2022-12-06 04:32:05,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 17 transitions, 48 flow [2022-12-06 04:32:05,229 INFO L130 PetriNetUnfolder]: 0/17 cut-off events. [2022-12-06 04:32:05,230 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:32:05,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 17 events. 0/17 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 04:32:05,230 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 17 transitions, 48 flow [2022-12-06 04:32:05,230 INFO L188 LiptonReduction]: Number of co-enabled transitions 124 [2022-12-06 04:32:05,250 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:32:05,253 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 34 [2022-12-06 04:32:05,253 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 17 transitions, 48 flow [2022-12-06 04:32:05,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:32:05,254 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:32:05,254 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:32:05,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 04:32:05,257 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:32:05,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:32:05,258 INFO L85 PathProgramCache]: Analyzing trace with hash 834966767, now seen corresponding path program 1 times [2022-12-06 04:32:05,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:32:05,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293263384] [2022-12-06 04:32:05,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:32:05,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:32:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:32:05,438 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 04:32:05,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:32:05,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293263384] [2022-12-06 04:32:05,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293263384] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:32:05,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:32:05,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:32:05,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808403835] [2022-12-06 04:32:05,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:32:05,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 04:32:05,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:32:05,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 04:32:05,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 04:32:05,441 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 17 [2022-12-06 04:32:05,441 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 17 transitions, 48 flow. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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 04:32:05,441 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:32:05,441 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 17 [2022-12-06 04:32:05,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:32:05,551 INFO L130 PetriNetUnfolder]: 336/599 cut-off events. [2022-12-06 04:32:05,551 INFO L131 PetriNetUnfolder]: For 80/80 co-relation queries the response was YES. [2022-12-06 04:32:05,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1299 conditions, 599 events. 336/599 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2861 event pairs, 31 based on Foata normal form. 24/623 useless extension candidates. Maximal degree in co-relation 1288. Up to 360 conditions per place. [2022-12-06 04:32:05,557 INFO L137 encePairwiseOnDemand]: 11/17 looper letters, 29 selfloop transitions, 7 changer transitions 0/37 dead transitions. [2022-12-06 04:32:05,557 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 37 transitions, 172 flow [2022-12-06 04:32:05,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 04:32:05,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 04:32:05,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 42 transitions. [2022-12-06 04:32:05,558 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6176470588235294 [2022-12-06 04:32:05,559 INFO L175 Difference]: Start difference. First operand has 27 places, 17 transitions, 48 flow. Second operand 4 states and 42 transitions. [2022-12-06 04:32:05,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 37 transitions, 172 flow [2022-12-06 04:32:05,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 37 transitions, 164 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 04:32:05,560 INFO L231 Difference]: Finished difference. Result has 30 places, 22 transitions, 87 flow [2022-12-06 04:32:05,560 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=87, PETRI_PLACES=30, PETRI_TRANSITIONS=22} [2022-12-06 04:32:05,561 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 3 predicate places. [2022-12-06 04:32:05,561 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:32:05,561 INFO L89 Accepts]: Start accepts. Operand has 30 places, 22 transitions, 87 flow [2022-12-06 04:32:05,562 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:32:05,562 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:32:05,562 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 22 transitions, 87 flow [2022-12-06 04:32:05,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 22 transitions, 87 flow [2022-12-06 04:32:05,569 INFO L130 PetriNetUnfolder]: 10/57 cut-off events. [2022-12-06 04:32:05,569 INFO L131 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2022-12-06 04:32:05,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 57 events. 10/57 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 214 event pairs, 5 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 119. Up to 23 conditions per place. [2022-12-06 04:32:05,570 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 22 transitions, 87 flow [2022-12-06 04:32:05,570 INFO L188 LiptonReduction]: Number of co-enabled transitions 154 [2022-12-06 04:32:05,574 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:32:05,575 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 14 [2022-12-06 04:32:05,575 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 22 transitions, 87 flow [2022-12-06 04:32:05,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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 04:32:05,576 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:32:05,576 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:32:05,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 04:32:05,576 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:32:05,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:32:05,576 INFO L85 PathProgramCache]: Analyzing trace with hash 114165877, now seen corresponding path program 1 times [2022-12-06 04:32:05,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:32:05,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742782795] [2022-12-06 04:32:05,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:32:05,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:32:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:32:05,710 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 04:32:05,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:32:05,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742782795] [2022-12-06 04:32:05,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742782795] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:32:05,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:32:05,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 04:32:05,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113515052] [2022-12-06 04:32:05,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:32:05,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 04:32:05,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:32:05,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 04:32:05,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 04:32:05,713 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 17 [2022-12-06 04:32:05,713 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 22 transitions, 87 flow. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 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 04:32:05,713 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:32:05,714 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 17 [2022-12-06 04:32:05,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:32:05,831 INFO L130 PetriNetUnfolder]: 531/880 cut-off events. [2022-12-06 04:32:05,832 INFO L131 PetriNetUnfolder]: For 543/543 co-relation queries the response was YES. [2022-12-06 04:32:05,834 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2273 conditions, 880 events. 531/880 cut-off events. For 543/543 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3890 event pairs, 149 based on Foata normal form. 42/922 useless extension candidates. Maximal degree in co-relation 2260. Up to 320 conditions per place. [2022-12-06 04:32:05,837 INFO L137 encePairwiseOnDemand]: 11/17 looper letters, 30 selfloop transitions, 6 changer transitions 9/45 dead transitions. [2022-12-06 04:32:05,838 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 45 transitions, 248 flow [2022-12-06 04:32:05,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 04:32:05,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 04:32:05,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 40 transitions. [2022-12-06 04:32:05,844 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.47058823529411764 [2022-12-06 04:32:05,844 INFO L175 Difference]: Start difference. First operand has 30 places, 22 transitions, 87 flow. Second operand 5 states and 40 transitions. [2022-12-06 04:32:05,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 45 transitions, 248 flow [2022-12-06 04:32:05,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 45 transitions, 248 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-06 04:32:05,848 INFO L231 Difference]: Finished difference. Result has 37 places, 22 transitions, 116 flow [2022-12-06 04:32:05,848 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=116, PETRI_PLACES=37, PETRI_TRANSITIONS=22} [2022-12-06 04:32:05,849 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 10 predicate places. [2022-12-06 04:32:05,849 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:32:05,849 INFO L89 Accepts]: Start accepts. Operand has 37 places, 22 transitions, 116 flow [2022-12-06 04:32:05,851 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:32:05,851 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:32:05,851 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 22 transitions, 116 flow [2022-12-06 04:32:05,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 37 places, 22 transitions, 116 flow [2022-12-06 04:32:05,876 INFO L130 PetriNetUnfolder]: 5/41 cut-off events. [2022-12-06 04:32:05,877 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-12-06 04:32:05,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 41 events. 5/41 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 106 event pairs, 2 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 110. Up to 15 conditions per place. [2022-12-06 04:32:05,877 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 22 transitions, 116 flow [2022-12-06 04:32:05,878 INFO L188 LiptonReduction]: Number of co-enabled transitions 126 [2022-12-06 04:32:05,933 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 04:32:05,934 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 85 [2022-12-06 04:32:05,934 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 21 transitions, 118 flow [2022-12-06 04:32:05,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 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 04:32:05,935 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:32:05,935 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:32:05,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 04:32:05,936 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:32:05,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:32:05,936 INFO L85 PathProgramCache]: Analyzing trace with hash 171108599, now seen corresponding path program 1 times [2022-12-06 04:32:05,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:32:05,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090935185] [2022-12-06 04:32:05,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:32:05,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:32:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:32:06,072 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 04:32:06,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:32:06,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090935185] [2022-12-06 04:32:06,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090935185] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:32:06,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:32:06,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:32:06,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943199388] [2022-12-06 04:32:06,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:32:06,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 04:32:06,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:32:06,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 04:32:06,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 04:32:06,075 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 17 [2022-12-06 04:32:06,075 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 21 transitions, 118 flow. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 04:32:06,075 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:32:06,075 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 17 [2022-12-06 04:32:06,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:32:06,156 INFO L130 PetriNetUnfolder]: 169/333 cut-off events. [2022-12-06 04:32:06,156 INFO L131 PetriNetUnfolder]: For 867/885 co-relation queries the response was YES. [2022-12-06 04:32:06,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1027 conditions, 333 events. 169/333 cut-off events. For 867/885 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1505 event pairs, 45 based on Foata normal form. 26/350 useless extension candidates. Maximal degree in co-relation 1009. Up to 205 conditions per place. [2022-12-06 04:32:06,159 INFO L137 encePairwiseOnDemand]: 11/17 looper letters, 30 selfloop transitions, 7 changer transitions 6/48 dead transitions. [2022-12-06 04:32:06,159 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 48 transitions, 335 flow [2022-12-06 04:32:06,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 04:32:06,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 04:32:06,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2022-12-06 04:32:06,161 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6 [2022-12-06 04:32:06,161 INFO L175 Difference]: Start difference. First operand has 36 places, 21 transitions, 118 flow. Second operand 5 states and 51 transitions. [2022-12-06 04:32:06,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 48 transitions, 335 flow [2022-12-06 04:32:06,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 48 transitions, 297 flow, removed 3 selfloop flow, removed 4 redundant places. [2022-12-06 04:32:06,165 INFO L231 Difference]: Finished difference. Result has 39 places, 27 transitions, 153 flow [2022-12-06 04:32:06,165 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=153, PETRI_PLACES=39, PETRI_TRANSITIONS=27} [2022-12-06 04:32:06,166 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 12 predicate places. [2022-12-06 04:32:06,166 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:32:06,166 INFO L89 Accepts]: Start accepts. Operand has 39 places, 27 transitions, 153 flow [2022-12-06 04:32:06,167 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:32:06,167 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:32:06,167 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 27 transitions, 153 flow [2022-12-06 04:32:06,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 27 transitions, 153 flow [2022-12-06 04:32:06,182 INFO L130 PetriNetUnfolder]: 64/156 cut-off events. [2022-12-06 04:32:06,182 INFO L131 PetriNetUnfolder]: For 202/246 co-relation queries the response was YES. [2022-12-06 04:32:06,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 488 conditions, 156 events. 64/156 cut-off events. For 202/246 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 749 event pairs, 28 based on Foata normal form. 2/141 useless extension candidates. Maximal degree in co-relation 472. Up to 109 conditions per place. [2022-12-06 04:32:06,184 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 27 transitions, 153 flow [2022-12-06 04:32:06,184 INFO L188 LiptonReduction]: Number of co-enabled transitions 168 [2022-12-06 04:32:06,190 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [237] L783-3-->L2: Formula: (and (= (mod v_~main$tmp_guard0~0_32 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_15|) (= v_~main$tmp_guard0~0_32 (ite (= (ite (= v_~__unbuffered_cnt~0_103 3) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_103} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_25|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_23|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_103, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_29|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [239] L729-->P0EXIT: Formula: (and (= v_~__unbuffered_cnt~0_115 (+ v_~__unbuffered_cnt~0_116 1)) (= |v_P0Thread1of1ForFork1_#res.offset_19| 0) (= |v_P0Thread1of1ForFork1_#res.base_19| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_116} OutVars{P0Thread1of1ForFork1_#res.offset=|v_P0Thread1of1ForFork1_#res.offset_19|, P0Thread1of1ForFork1_#res.base=|v_P0Thread1of1ForFork1_#res.base_19|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_115} AuxVars[] AssignedVars[P0Thread1of1ForFork1_#res.offset, P0Thread1of1ForFork1_#res.base, ~__unbuffered_cnt~0] [2022-12-06 04:32:06,216 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [237] L783-3-->L2: Formula: (and (= (mod v_~main$tmp_guard0~0_32 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_15|) (= v_~main$tmp_guard0~0_32 (ite (= (ite (= v_~__unbuffered_cnt~0_103 3) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_103} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_25|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_23|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_103, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_29|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [244] L744-->P1EXIT: Formula: (and (= |v_P1Thread1of1ForFork2_#res.base_11| 0) (= 0 |v_P1Thread1of1ForFork2_#res.offset_11|) (= v_~__unbuffered_cnt~0_129 (+ v_~__unbuffered_cnt~0_130 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_130} OutVars{P1Thread1of1ForFork2_#res.offset=|v_P1Thread1of1ForFork2_#res.offset_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_129, P1Thread1of1ForFork2_#res.base=|v_P1Thread1of1ForFork2_#res.base_11|} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork2_#res.base] [2022-12-06 04:32:06,279 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 04:32:06,285 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 119 [2022-12-06 04:32:06,285 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 25 transitions, 145 flow [2022-12-06 04:32:06,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 04:32:06,285 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:32:06,285 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:32:06,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 04:32:06,286 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:32:06,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:32:06,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1009031117, now seen corresponding path program 1 times [2022-12-06 04:32:06,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:32:06,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730406677] [2022-12-06 04:32:06,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:32:06,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:32:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:32:06,398 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 04:32:06,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:32:06,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730406677] [2022-12-06 04:32:06,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730406677] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:32:06,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:32:06,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 04:32:06,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682279447] [2022-12-06 04:32:06,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:32:06,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 04:32:06,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:32:06,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 04:32:06,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 04:32:06,401 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 18 [2022-12-06 04:32:06,401 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 25 transitions, 145 flow. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 04:32:06,401 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:32:06,401 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 18 [2022-12-06 04:32:06,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:32:06,482 INFO L130 PetriNetUnfolder]: 117/257 cut-off events. [2022-12-06 04:32:06,482 INFO L131 PetriNetUnfolder]: For 507/559 co-relation queries the response was YES. [2022-12-06 04:32:06,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 994 conditions, 257 events. 117/257 cut-off events. For 507/559 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1130 event pairs, 18 based on Foata normal form. 37/290 useless extension candidates. Maximal degree in co-relation 975. Up to 144 conditions per place. [2022-12-06 04:32:06,484 INFO L137 encePairwiseOnDemand]: 11/18 looper letters, 30 selfloop transitions, 11 changer transitions 9/55 dead transitions. [2022-12-06 04:32:06,484 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 55 transitions, 409 flow [2022-12-06 04:32:06,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 04:32:06,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 04:32:06,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 59 transitions. [2022-12-06 04:32:06,487 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5462962962962963 [2022-12-06 04:32:06,492 INFO L175 Difference]: Start difference. First operand has 38 places, 25 transitions, 145 flow. Second operand 6 states and 59 transitions. [2022-12-06 04:32:06,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 55 transitions, 409 flow [2022-12-06 04:32:06,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 55 transitions, 403 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-06 04:32:06,498 INFO L231 Difference]: Finished difference. Result has 45 places, 31 transitions, 222 flow [2022-12-06 04:32:06,498 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=139, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=222, PETRI_PLACES=45, PETRI_TRANSITIONS=31} [2022-12-06 04:32:06,505 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 18 predicate places. [2022-12-06 04:32:06,505 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:32:06,505 INFO L89 Accepts]: Start accepts. Operand has 45 places, 31 transitions, 222 flow [2022-12-06 04:32:06,506 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:32:06,507 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:32:06,507 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 31 transitions, 222 flow [2022-12-06 04:32:06,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 31 transitions, 222 flow [2022-12-06 04:32:06,521 INFO L130 PetriNetUnfolder]: 28/109 cut-off events. [2022-12-06 04:32:06,521 INFO L131 PetriNetUnfolder]: For 411/510 co-relation queries the response was YES. [2022-12-06 04:32:06,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 473 conditions, 109 events. 28/109 cut-off events. For 411/510 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 536 event pairs, 4 based on Foata normal form. 6/111 useless extension candidates. Maximal degree in co-relation 453. Up to 83 conditions per place. [2022-12-06 04:32:06,522 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 31 transitions, 222 flow [2022-12-06 04:32:06,523 INFO L188 LiptonReduction]: Number of co-enabled transitions 166 [2022-12-06 04:32:06,549 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 04:32:06,551 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 46 [2022-12-06 04:32:06,551 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 29 transitions, 204 flow [2022-12-06 04:32:06,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 04:32:06,552 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:32:06,552 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:32:06,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 04:32:06,552 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:32:06,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:32:06,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1033374837, now seen corresponding path program 1 times [2022-12-06 04:32:06,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:32:06,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190386189] [2022-12-06 04:32:06,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:32:06,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:32:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:32:06,689 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 04:32:06,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:32:06,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190386189] [2022-12-06 04:32:06,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190386189] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:32:06,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:32:06,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 04:32:06,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552188308] [2022-12-06 04:32:06,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:32:06,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 04:32:06,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:32:06,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 04:32:06,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-06 04:32:06,691 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 18 [2022-12-06 04:32:06,691 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 29 transitions, 204 flow. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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 04:32:06,692 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:32:06,692 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 18 [2022-12-06 04:32:06,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:32:06,818 INFO L130 PetriNetUnfolder]: 81/186 cut-off events. [2022-12-06 04:32:06,819 INFO L131 PetriNetUnfolder]: For 641/699 co-relation queries the response was YES. [2022-12-06 04:32:06,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 817 conditions, 186 events. 81/186 cut-off events. For 641/699 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 730 event pairs, 14 based on Foata normal form. 36/219 useless extension candidates. Maximal degree in co-relation 794. Up to 95 conditions per place. [2022-12-06 04:32:06,821 INFO L137 encePairwiseOnDemand]: 11/18 looper letters, 24 selfloop transitions, 13 changer transitions 10/52 dead transitions. [2022-12-06 04:32:06,821 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 52 transitions, 434 flow [2022-12-06 04:32:06,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-06 04:32:06,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-06 04:32:06,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 60 transitions. [2022-12-06 04:32:06,822 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4166666666666667 [2022-12-06 04:32:06,822 INFO L175 Difference]: Start difference. First operand has 45 places, 29 transitions, 204 flow. Second operand 8 states and 60 transitions. [2022-12-06 04:32:06,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 52 transitions, 434 flow [2022-12-06 04:32:06,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 52 transitions, 410 flow, removed 9 selfloop flow, removed 2 redundant places. [2022-12-06 04:32:06,825 INFO L231 Difference]: Finished difference. Result has 53 places, 30 transitions, 227 flow [2022-12-06 04:32:06,825 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=227, PETRI_PLACES=53, PETRI_TRANSITIONS=30} [2022-12-06 04:32:06,826 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 26 predicate places. [2022-12-06 04:32:06,826 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:32:06,826 INFO L89 Accepts]: Start accepts. Operand has 53 places, 30 transitions, 227 flow [2022-12-06 04:32:06,827 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:32:06,827 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:32:06,827 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 30 transitions, 227 flow [2022-12-06 04:32:06,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 30 transitions, 227 flow [2022-12-06 04:32:06,835 INFO L130 PetriNetUnfolder]: 14/68 cut-off events. [2022-12-06 04:32:06,835 INFO L131 PetriNetUnfolder]: For 205/222 co-relation queries the response was YES. [2022-12-06 04:32:06,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 303 conditions, 68 events. 14/68 cut-off events. For 205/222 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 250 event pairs, 0 based on Foata normal form. 4/70 useless extension candidates. Maximal degree in co-relation 280. Up to 29 conditions per place. [2022-12-06 04:32:06,836 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 30 transitions, 227 flow [2022-12-06 04:32:06,836 INFO L188 LiptonReduction]: Number of co-enabled transitions 136 [2022-12-06 04:32:06,839 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [260] L783-3-->P0EXIT: Formula: (and (= |v_P0Thread1of1ForFork1_#res.offset_33| 0) (= |v_P0Thread1of1ForFork1_#res.base_33| 0) (= (mod v_~main$tmp_guard0~0_62 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_51|) (= v_~main$tmp_guard0~0_62 (ite (= (ite (= v_~__unbuffered_cnt~0_202 3) 1 0) 0) 0 1)) (= v_~__unbuffered_cnt~0_201 (+ v_~__unbuffered_cnt~0_202 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_202} OutVars{P0Thread1of1ForFork1_#res.offset=|v_P0Thread1of1ForFork1_#res.offset_33|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_65|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_53|, P0Thread1of1ForFork1_#res.base=|v_P0Thread1of1ForFork1_#res.base_33|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_201, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_63|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_62, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_51|} AuxVars[] AssignedVars[P0Thread1of1ForFork1_#res.offset, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, P0Thread1of1ForFork1_#res.base, ~__unbuffered_cnt~0, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [244] L744-->P1EXIT: Formula: (and (= |v_P1Thread1of1ForFork2_#res.base_11| 0) (= 0 |v_P1Thread1of1ForFork2_#res.offset_11|) (= v_~__unbuffered_cnt~0_129 (+ v_~__unbuffered_cnt~0_130 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_130} OutVars{P1Thread1of1ForFork2_#res.offset=|v_P1Thread1of1ForFork2_#res.offset_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_129, P1Thread1of1ForFork2_#res.base=|v_P1Thread1of1ForFork2_#res.base_11|} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork2_#res.base] [2022-12-06 04:32:06,954 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 04:32:06,955 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 129 [2022-12-06 04:32:06,955 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 26 transitions, 195 flow [2022-12-06 04:32:06,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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 04:32:06,955 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:32:06,955 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:32:06,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 04:32:06,955 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:32:06,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:32:06,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1826932117, now seen corresponding path program 1 times [2022-12-06 04:32:06,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:32:06,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699534826] [2022-12-06 04:32:06,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:32:06,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:32:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:32:07,050 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 04:32:07,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:32:07,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699534826] [2022-12-06 04:32:07,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699534826] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:32:07,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:32:07,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 04:32:07,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457013299] [2022-12-06 04:32:07,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:32:07,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 04:32:07,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:32:07,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 04:32:07,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 04:32:07,052 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 16 [2022-12-06 04:32:07,053 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 26 transitions, 195 flow. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 04:32:07,053 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:32:07,053 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 16 [2022-12-06 04:32:07,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:32:07,128 INFO L130 PetriNetUnfolder]: 100/197 cut-off events. [2022-12-06 04:32:07,128 INFO L131 PetriNetUnfolder]: For 446/446 co-relation queries the response was YES. [2022-12-06 04:32:07,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 850 conditions, 197 events. 100/197 cut-off events. For 446/446 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 667 event pairs, 8 based on Foata normal form. 1/198 useless extension candidates. Maximal degree in co-relation 834. Up to 105 conditions per place. [2022-12-06 04:32:07,129 INFO L137 encePairwiseOnDemand]: 8/16 looper letters, 0 selfloop transitions, 0 changer transitions 48/48 dead transitions. [2022-12-06 04:32:07,129 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 48 transitions, 400 flow [2022-12-06 04:32:07,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 04:32:07,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 04:32:07,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 36 transitions. [2022-12-06 04:32:07,131 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.45 [2022-12-06 04:32:07,131 INFO L175 Difference]: Start difference. First operand has 46 places, 26 transitions, 195 flow. Second operand 5 states and 36 transitions. [2022-12-06 04:32:07,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 48 transitions, 400 flow [2022-12-06 04:32:07,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 48 transitions, 302 flow, removed 10 selfloop flow, removed 10 redundant places. [2022-12-06 04:32:07,134 INFO L231 Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow [2022-12-06 04:32:07,134 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=16, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=39, PETRI_TRANSITIONS=0} [2022-12-06 04:32:07,134 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 12 predicate places. [2022-12-06 04:32:07,134 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:32:07,135 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 0 transitions, 0 flow [2022-12-06 04:32:07,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-06 04:32:07,135 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-06 04:32:07,136 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:32:07,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-06 04:32:07,136 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-06 04:32:07,137 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 04:32:07,137 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:32:07,138 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4 [2022-12-06 04:32:07,138 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-06 04:32:07,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 04:32:07,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-06 04:32:07,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 04:32:07,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-06 04:32:07,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-12-06 04:32:07,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 04:32:07,141 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:32:07,151 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 04:32:07,151 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 04:32:07,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:32:07 BasicIcfg [2022-12-06 04:32:07,153 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 04:32:07,154 INFO L158 Benchmark]: Toolchain (without parser) took 5858.78ms. Allocated memory was 186.6MB in the beginning and 299.9MB in the end (delta: 113.2MB). Free memory was 162.5MB in the beginning and 205.3MB in the end (delta: -42.8MB). Peak memory consumption was 70.4MB. Max. memory is 8.0GB. [2022-12-06 04:32:07,154 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 04:32:07,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.07ms. Allocated memory is still 186.6MB. Free memory was 162.1MB in the beginning and 138.9MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-12-06 04:32:07,155 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.57ms. Allocated memory is still 186.6MB. Free memory was 138.9MB in the beginning and 136.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 04:32:07,155 INFO L158 Benchmark]: Boogie Preprocessor took 34.08ms. Allocated memory is still 186.6MB. Free memory was 136.9MB in the beginning and 135.5MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 04:32:07,155 INFO L158 Benchmark]: RCFGBuilder took 399.65ms. Allocated memory is still 186.6MB. Free memory was 135.5MB in the beginning and 121.6MB in the end (delta: 13.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-06 04:32:07,156 INFO L158 Benchmark]: TraceAbstraction took 4848.50ms. Allocated memory was 186.6MB in the beginning and 299.9MB in the end (delta: 113.2MB). Free memory was 120.8MB in the beginning and 205.3MB in the end (delta: -84.5MB). Peak memory consumption was 29.5MB. Max. memory is 8.0GB. [2022-12-06 04:32:07,157 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 186.6MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 516.07ms. Allocated memory is still 186.6MB. Free memory was 162.1MB in the beginning and 138.9MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.57ms. Allocated memory is still 186.6MB. Free memory was 138.9MB in the beginning and 136.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.08ms. Allocated memory is still 186.6MB. Free memory was 136.9MB in the beginning and 135.5MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 399.65ms. Allocated memory is still 186.6MB. Free memory was 135.5MB in the beginning and 121.6MB in the end (delta: 13.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 4848.50ms. Allocated memory was 186.6MB in the beginning and 299.9MB in the end (delta: 113.2MB). Free memory was 120.8MB in the beginning and 205.3MB in the end (delta: -84.5MB). Peak memory consumption was 29.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 79 PlacesBefore, 27 PlacesAfterwards, 70 TransitionsBefore, 18 TransitionsAfterwards, 1044 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 32 ConcurrentYvCompositions, 0 ChoiceCompositions, 53 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 828, independent: 787, independent conditional: 787, independent unconditional: 0, dependent: 41, dependent conditional: 41, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 828, independent: 787, independent conditional: 0, independent unconditional: 787, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 828, independent: 787, independent conditional: 0, independent unconditional: 787, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 828, independent: 787, independent conditional: 0, independent unconditional: 787, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 718, independent: 684, independent conditional: 0, independent unconditional: 684, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 718, independent: 675, independent conditional: 0, independent unconditional: 675, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 828, independent: 103, independent conditional: 0, independent unconditional: 103, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 718, unknown conditional: 0, unknown unconditional: 718] , Statistics on independence cache: Total cache size (in pairs): 1102, Positive cache size: 1068, Positive conditional cache size: 0, Positive unconditional cache size: 1068, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, 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, 27 PlacesBefore, 27 PlacesAfterwards, 17 TransitionsBefore, 17 TransitionsAfterwards, 124 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 64, independent: 52, independent conditional: 52, independent unconditional: 0, dependent: 12, dependent conditional: 12, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 64, independent: 52, independent conditional: 1, independent unconditional: 51, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 64, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 64, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 54, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 54, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 13, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 64, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 54, unknown conditional: 0, unknown unconditional: 54] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 30 PlacesBefore, 30 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 154 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55, independent: 46, independent conditional: 46, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 55, independent: 46, independent conditional: 9, independent unconditional: 37, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 55, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, independent: 8, independent conditional: 0, independent unconditional: 8, 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: 8, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 55, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 53, Positive conditional cache size: 0, Positive unconditional cache size: 53, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 37 PlacesBefore, 36 PlacesAfterwards, 22 TransitionsBefore, 21 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 139, independent: 118, independent conditional: 118, independent unconditional: 0, dependent: 21, dependent conditional: 21, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 139, independent: 118, independent conditional: 33, independent unconditional: 85, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 139, independent: 118, independent conditional: 0, independent unconditional: 118, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 139, independent: 118, independent conditional: 0, independent unconditional: 118, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, 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: 1, independent: 1, independent conditional: 0, independent unconditional: 1, 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: 139, independent: 117, independent conditional: 0, independent unconditional: 117, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 73, Positive cache size: 64, Positive conditional cache size: 0, Positive unconditional cache size: 64, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 33, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 39 PlacesBefore, 38 PlacesAfterwards, 27 TransitionsBefore, 25 TransitionsAfterwards, 168 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 87, independent: 81, independent conditional: 81, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 87, independent: 81, independent conditional: 45, independent unconditional: 36, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 87, independent: 81, independent conditional: 18, independent unconditional: 63, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 87, independent: 81, independent conditional: 18, independent unconditional: 63, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, independent: 8, independent conditional: 4, independent unconditional: 4, 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: 8, independent: 8, independent conditional: 0, independent unconditional: 8, 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: 87, independent: 73, independent conditional: 14, independent unconditional: 59, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 8, unknown conditional: 4, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 75, Positive conditional cache size: 4, Positive unconditional cache size: 71, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 27, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 45 PlacesBefore, 45 PlacesAfterwards, 31 TransitionsBefore, 29 TransitionsAfterwards, 166 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 112, independent: 103, independent conditional: 103, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 112, independent: 103, independent conditional: 58, independent unconditional: 45, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 112, independent: 103, independent conditional: 35, independent unconditional: 68, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 112, independent: 103, independent conditional: 35, independent unconditional: 68, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 1, independent unconditional: 3, 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: 4, independent: 4, independent conditional: 0, independent unconditional: 4, 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: 112, independent: 99, independent conditional: 34, independent unconditional: 65, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 4, unknown conditional: 1, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 79, Positive conditional cache size: 5, Positive unconditional cache size: 74, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 23, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 52 PlacesBefore, 46 PlacesAfterwards, 30 TransitionsBefore, 26 TransitionsAfterwards, 136 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33, independent: 27, independent conditional: 27, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 33, independent: 27, independent conditional: 21, independent unconditional: 6, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, independent: 27, independent conditional: 19, independent unconditional: 8, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, independent: 27, independent conditional: 19, independent unconditional: 8, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 2, independent unconditional: 1, 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: 3, independent: 3, independent conditional: 0, independent unconditional: 3, 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: 33, independent: 24, independent conditional: 17, independent unconditional: 7, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 3, unknown conditional: 2, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 91, Positive cache size: 82, Positive conditional cache size: 7, Positive unconditional cache size: 75, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 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): 91, Positive cache size: 82, Positive conditional cache size: 7, Positive unconditional cache size: 75, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 108 locations, 4 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: 4.7s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 179 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 179 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 358 IncrementalHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 7 mSDtfsCounter, 358 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=227occurred in iteration=6, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 255 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 04:32:07,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...