/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix026.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 01:03:34,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 01:03:34,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 01:03:34,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 01:03:34,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 01:03:34,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 01:03:34,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 01:03:34,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 01:03:34,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 01:03:34,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 01:03:34,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 01:03:34,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 01:03:34,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 01:03:34,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 01:03:34,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 01:03:34,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 01:03:34,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 01:03:34,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 01:03:34,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 01:03:34,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 01:03:34,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 01:03:34,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 01:03:34,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 01:03:34,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 01:03:34,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 01:03:34,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 01:03:34,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 01:03:34,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 01:03:34,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 01:03:34,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 01:03:34,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 01:03:34,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 01:03:34,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 01:03:34,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 01:03:34,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 01:03:34,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 01:03:34,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 01:03:34,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 01:03:34,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 01:03:34,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 01:03:34,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 01:03:34,975 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2022-12-06 01:03:35,001 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 01:03:35,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 01:03:35,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 01:03:35,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 01:03:35,003 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 01:03:35,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 01:03:35,004 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 01:03:35,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 01:03:35,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 01:03:35,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 01:03:35,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 01:03:35,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 01:03:35,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 01:03:35,005 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 01:03:35,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 01:03:35,005 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 01:03:35,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 01:03:35,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 01:03:35,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 01:03:35,005 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 01:03:35,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 01:03:35,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:03:35,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 01:03:35,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 01:03:35,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 01:03:35,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 01:03:35,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 01:03:35,006 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 01:03:35,006 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 01:03:35,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 01:03:35,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 01:03:35,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 01:03:35,316 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 01:03:35,317 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 01:03:35,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix026.oepc.i [2022-12-06 01:03:36,463 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 01:03:36,726 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 01:03:36,727 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix026.oepc.i [2022-12-06 01:03:36,764 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a79c5bad5/ccad4df1aca541ae9012979e27ee69b8/FLAG7db1d4901 [2022-12-06 01:03:36,778 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a79c5bad5/ccad4df1aca541ae9012979e27ee69b8 [2022-12-06 01:03:36,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 01:03:36,781 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 01:03:36,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 01:03:36,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 01:03:36,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 01:03:36,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:03:36" (1/1) ... [2022-12-06 01:03:36,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f636281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:36, skipping insertion in model container [2022-12-06 01:03:36,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:03:36" (1/1) ... [2022-12-06 01:03:36,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 01:03:36,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 01:03:36,974 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/mix026.oepc.i[945,958] [2022-12-06 01:03:37,097 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,100 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,106 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,106 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,107 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,108 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,118 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,118 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,132 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,132 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,133 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,133 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,134 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,134 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,134 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,134 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,139 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,139 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,140 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,145 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,154 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,156 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:03:37,167 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 01:03:37,176 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/mix026.oepc.i[945,958] [2022-12-06 01:03:37,195 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,196 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,196 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,196 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,196 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,198 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,198 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,198 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,198 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,198 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,199 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,199 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,199 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,200 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,200 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,200 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,201 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,201 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,201 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,201 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,201 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,203 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,203 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,203 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,203 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,203 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,204 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,204 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,204 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,208 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,208 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,209 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,209 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,210 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,214 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,215 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:37,215 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:37,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:03:37,246 INFO L208 MainTranslator]: Completed translation [2022-12-06 01:03:37,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:37 WrapperNode [2022-12-06 01:03:37,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 01:03:37,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 01:03:37,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 01:03:37,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 01:03:37,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:37" (1/1) ... [2022-12-06 01:03:37,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:37" (1/1) ... [2022-12-06 01:03:37,315 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 145 [2022-12-06 01:03:37,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 01:03:37,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 01:03:37,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 01:03:37,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 01:03:37,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:37" (1/1) ... [2022-12-06 01:03:37,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:37" (1/1) ... [2022-12-06 01:03:37,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:37" (1/1) ... [2022-12-06 01:03:37,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:37" (1/1) ... [2022-12-06 01:03:37,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:37" (1/1) ... [2022-12-06 01:03:37,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:37" (1/1) ... [2022-12-06 01:03:37,350 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:37" (1/1) ... [2022-12-06 01:03:37,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:37" (1/1) ... [2022-12-06 01:03:37,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 01:03:37,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 01:03:37,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 01:03:37,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 01:03:37,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:37" (1/1) ... [2022-12-06 01:03:37,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:03:37,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 01:03:37,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 01:03:37,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 01:03:37,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 01:03:37,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 01:03:37,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 01:03:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 01:03:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 01:03:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 01:03:37,464 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 01:03:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 01:03:37,464 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 01:03:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-06 01:03:37,464 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-06 01:03:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-06 01:03:37,465 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-06 01:03:37,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 01:03:37,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 01:03:37,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 01:03:37,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 01:03:37,467 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 01:03:37,585 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 01:03:37,587 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 01:03:37,868 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 01:03:37,967 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 01:03:37,967 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 01:03:37,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:03:37 BoogieIcfgContainer [2022-12-06 01:03:37,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 01:03:37,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 01:03:37,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 01:03:37,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 01:03:37,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 01:03:36" (1/3) ... [2022-12-06 01:03:37,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486b494c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:03:37, skipping insertion in model container [2022-12-06 01:03:37,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:37" (2/3) ... [2022-12-06 01:03:37,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486b494c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:03:37, skipping insertion in model container [2022-12-06 01:03:37,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:03:37" (3/3) ... [2022-12-06 01:03:37,975 INFO L112 eAbstractionObserver]: Analyzing ICFG mix026.oepc.i [2022-12-06 01:03:37,991 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 01:03:37,992 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 01:03:37,992 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 01:03:38,090 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 01:03:38,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 142 places, 131 transitions, 282 flow [2022-12-06 01:03:38,221 INFO L130 PetriNetUnfolder]: 2/127 cut-off events. [2022-12-06 01:03:38,221 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:03:38,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 127 events. 2/127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 68 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 88. Up to 2 conditions per place. [2022-12-06 01:03:38,242 INFO L82 GeneralOperation]: Start removeDead. Operand has 142 places, 131 transitions, 282 flow [2022-12-06 01:03:38,245 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 138 places, 127 transitions, 266 flow [2022-12-06 01:03:38,247 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:03:38,262 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 127 transitions, 266 flow [2022-12-06 01:03:38,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 138 places, 127 transitions, 266 flow [2022-12-06 01:03:38,289 INFO L130 PetriNetUnfolder]: 2/127 cut-off events. [2022-12-06 01:03:38,289 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:03:38,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 127 events. 2/127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 68 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 88. Up to 2 conditions per place. [2022-12-06 01:03:38,293 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 127 transitions, 266 flow [2022-12-06 01:03:38,293 INFO L188 LiptonReduction]: Number of co-enabled transitions 3164 [2022-12-06 01:03:42,475 INFO L203 LiptonReduction]: Total number of compositions: 97 [2022-12-06 01:03:42,495 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 01:03:42,500 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;@714bc3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 01:03:42,501 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-06 01:03:42,506 INFO L130 PetriNetUnfolder]: 0/2 cut-off events. [2022-12-06 01:03:42,506 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:03:42,506 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:03:42,507 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-06 01:03:42,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 01:03:42,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:03:42,510 INFO L85 PathProgramCache]: Analyzing trace with hash 545536, now seen corresponding path program 1 times [2022-12-06 01:03:42,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:03:42,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552883469] [2022-12-06 01:03:42,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:03:42,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:03:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:03:42,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:03:42,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:03:42,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552883469] [2022-12-06 01:03:42,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552883469] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:03:42,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:03:42,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 01:03:42,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764850963] [2022-12-06 01:03:42,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:03:42,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:03:42,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:03:42,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:03:42,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:03:42,806 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 36 [2022-12-06 01:03:42,807 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 36 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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 01:03:42,807 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:03:42,807 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 36 [2022-12-06 01:03:42,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:03:43,725 INFO L130 PetriNetUnfolder]: 6050/8806 cut-off events. [2022-12-06 01:03:43,726 INFO L131 PetriNetUnfolder]: For 71/71 co-relation queries the response was YES. [2022-12-06 01:03:43,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17205 conditions, 8806 events. 6050/8806 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 52879 event pairs, 1106 based on Foata normal form. 0/8049 useless extension candidates. Maximal degree in co-relation 17193. Up to 6574 conditions per place. [2022-12-06 01:03:43,767 INFO L137 encePairwiseOnDemand]: 31/36 looper letters, 41 selfloop transitions, 2 changer transitions 10/57 dead transitions. [2022-12-06 01:03:43,767 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 57 transitions, 241 flow [2022-12-06 01:03:43,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:03:43,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:03:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions. [2022-12-06 01:03:43,775 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6481481481481481 [2022-12-06 01:03:43,778 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, 0 predicate places. [2022-12-06 01:03:43,779 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:03:43,779 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 57 transitions, 241 flow [2022-12-06 01:03:43,809 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 57 transitions, 241 flow [2022-12-06 01:03:43,810 INFO L188 LiptonReduction]: Number of co-enabled transitions 254 [2022-12-06 01:03:44,282 INFO L203 LiptonReduction]: Total number of compositions: 4 [2022-12-06 01:03:44,283 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 505 [2022-12-06 01:03:44,283 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 55 transitions, 237 flow [2022-12-06 01:03:44,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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 01:03:44,283 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:03:44,284 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:03:44,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 01:03:44,284 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 01:03:44,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:03:44,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1368413395, now seen corresponding path program 1 times [2022-12-06 01:03:44,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:03:44,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330617837] [2022-12-06 01:03:44,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:03:44,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:03:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:03:44,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:03:44,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:03:44,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330617837] [2022-12-06 01:03:44,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330617837] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:03:44,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:03:44,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 01:03:44,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718130695] [2022-12-06 01:03:44,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:03:44,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:03:44,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:03:44,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:03:44,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:03:44,490 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 34 [2022-12-06 01:03:44,490 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 55 transitions, 237 flow. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:44,490 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:03:44,490 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 34 [2022-12-06 01:03:44,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:03:46,517 INFO L130 PetriNetUnfolder]: 14110/19219 cut-off events. [2022-12-06 01:03:46,517 INFO L131 PetriNetUnfolder]: For 587/587 co-relation queries the response was YES. [2022-12-06 01:03:46,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56426 conditions, 19219 events. 14110/19219 cut-off events. For 587/587 co-relation queries the response was YES. Maximal size of possible extension queue 787. Compared 103087 event pairs, 2395 based on Foata normal form. 0/17867 useless extension candidates. Maximal degree in co-relation 56411. Up to 14336 conditions per place. [2022-12-06 01:03:46,586 INFO L137 encePairwiseOnDemand]: 22/34 looper letters, 73 selfloop transitions, 11 changer transitions 19/103 dead transitions. [2022-12-06 01:03:46,586 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 103 transitions, 646 flow [2022-12-06 01:03:46,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:03:46,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:03:46,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 66 transitions. [2022-12-06 01:03:46,588 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6470588235294118 [2022-12-06 01:03:46,589 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, 0 predicate places. [2022-12-06 01:03:46,589 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:03:46,589 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 103 transitions, 646 flow [2022-12-06 01:03:46,659 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 103 transitions, 646 flow [2022-12-06 01:03:46,659 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:03:46,664 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:03:46,665 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 76 [2022-12-06 01:03:46,666 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 103 transitions, 646 flow [2022-12-06 01:03:46,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:46,666 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:03:46,666 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:03:46,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 01:03:46,666 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 01:03:46,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:03:46,667 INFO L85 PathProgramCache]: Analyzing trace with hash 528856182, now seen corresponding path program 1 times [2022-12-06 01:03:46,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:03:46,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78319629] [2022-12-06 01:03:46,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:03:46,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:03:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:03:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:03:46,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:03:46,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78319629] [2022-12-06 01:03:46,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78319629] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:03:46,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:03:46,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 01:03:46,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064602310] [2022-12-06 01:03:46,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:03:46,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 01:03:46,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:03:46,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 01:03:46,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 01:03:46,788 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 34 [2022-12-06 01:03:46,789 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 103 transitions, 646 flow. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:46,789 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:03:46,789 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 34 [2022-12-06 01:03:46,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:03:48,307 INFO L130 PetriNetUnfolder]: 13482/18367 cut-off events. [2022-12-06 01:03:48,307 INFO L131 PetriNetUnfolder]: For 737/737 co-relation queries the response was YES. [2022-12-06 01:03:48,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72394 conditions, 18367 events. 13482/18367 cut-off events. For 737/737 co-relation queries the response was YES. Maximal size of possible extension queue 734. Compared 96592 event pairs, 611 based on Foata normal form. 0/17155 useless extension candidates. Maximal degree in co-relation 72376. Up to 13748 conditions per place. [2022-12-06 01:03:48,372 INFO L137 encePairwiseOnDemand]: 23/34 looper letters, 109 selfloop transitions, 12 changer transitions 30/151 dead transitions. [2022-12-06 01:03:48,372 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 151 transitions, 1232 flow [2022-12-06 01:03:48,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 01:03:48,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 01:03:48,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 70 transitions. [2022-12-06 01:03:48,374 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5147058823529411 [2022-12-06 01:03:48,374 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, 3 predicate places. [2022-12-06 01:03:48,375 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:03:48,375 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 151 transitions, 1232 flow [2022-12-06 01:03:48,449 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 151 transitions, 1232 flow [2022-12-06 01:03:48,450 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:03:48,456 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:03:48,457 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 82 [2022-12-06 01:03:48,457 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 151 transitions, 1232 flow [2022-12-06 01:03:48,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:48,457 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:03:48,457 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:03:48,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 01:03:48,457 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 01:03:48,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:03:48,458 INFO L85 PathProgramCache]: Analyzing trace with hash -785280343, now seen corresponding path program 1 times [2022-12-06 01:03:48,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:03:48,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699063735] [2022-12-06 01:03:48,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:03:48,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:03:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:03:48,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:03:48,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:03:48,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699063735] [2022-12-06 01:03:48,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699063735] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:03:48,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:03:48,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 01:03:48,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567563230] [2022-12-06 01:03:48,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:03:48,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:03:48,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:03:48,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:03:48,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:03:48,609 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 34 [2022-12-06 01:03:48,609 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 151 transitions, 1232 flow. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:48,609 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:03:48,609 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 34 [2022-12-06 01:03:48,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:03:49,867 INFO L130 PetriNetUnfolder]: 9364/13152 cut-off events. [2022-12-06 01:03:49,867 INFO L131 PetriNetUnfolder]: For 1462/1462 co-relation queries the response was YES. [2022-12-06 01:03:49,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64133 conditions, 13152 events. 9364/13152 cut-off events. For 1462/1462 co-relation queries the response was YES. Maximal size of possible extension queue 532. Compared 69652 event pairs, 292 based on Foata normal form. 0/12310 useless extension candidates. Maximal degree in co-relation 64112. Up to 10223 conditions per place. [2022-12-06 01:03:49,912 INFO L137 encePairwiseOnDemand]: 28/34 looper letters, 177 selfloop transitions, 25 changer transitions 47/254 dead transitions. [2022-12-06 01:03:49,912 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 254 transitions, 2573 flow [2022-12-06 01:03:49,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:03:49,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:03:49,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 65 transitions. [2022-12-06 01:03:49,916 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6372549019607843 [2022-12-06 01:03:49,917 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, 5 predicate places. [2022-12-06 01:03:49,917 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:03:49,918 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 254 transitions, 2573 flow [2022-12-06 01:03:49,964 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 254 transitions, 2573 flow [2022-12-06 01:03:49,964 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:03:49,968 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:03:49,975 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 58 [2022-12-06 01:03:49,975 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 254 transitions, 2573 flow [2022-12-06 01:03:49,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:49,975 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:03:49,976 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:03:49,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 01:03:49,976 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 01:03:49,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:03:49,977 INFO L85 PathProgramCache]: Analyzing trace with hash -142510228, now seen corresponding path program 1 times [2022-12-06 01:03:49,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:03:49,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772985488] [2022-12-06 01:03:49,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:03:49,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:03:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:03:50,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:03:50,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:03:50,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772985488] [2022-12-06 01:03:50,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772985488] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:03:50,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:03:50,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 01:03:50,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195116723] [2022-12-06 01:03:50,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:03:50,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 01:03:50,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:03:50,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 01:03:50,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 01:03:50,122 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 34 [2022-12-06 01:03:50,123 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 254 transitions, 2573 flow. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:50,123 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:03:50,123 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 34 [2022-12-06 01:03:50,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:03:50,936 INFO L130 PetriNetUnfolder]: 5834/8374 cut-off events. [2022-12-06 01:03:50,936 INFO L131 PetriNetUnfolder]: For 2084/2084 co-relation queries the response was YES. [2022-12-06 01:03:50,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48716 conditions, 8374 events. 5834/8374 cut-off events. For 2084/2084 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 42453 event pairs, 123 based on Foata normal form. 0/7987 useless extension candidates. Maximal degree in co-relation 48692. Up to 6481 conditions per place. [2022-12-06 01:03:50,969 INFO L137 encePairwiseOnDemand]: 28/34 looper letters, 224 selfloop transitions, 49 changer transitions 59/337 dead transitions. [2022-12-06 01:03:50,969 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 337 transitions, 4080 flow [2022-12-06 01:03:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 01:03:50,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 01:03:50,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2022-12-06 01:03:50,971 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6617647058823529 [2022-12-06 01:03:50,972 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, 8 predicate places. [2022-12-06 01:03:50,974 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:03:50,974 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 337 transitions, 4080 flow [2022-12-06 01:03:51,011 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 337 transitions, 4080 flow [2022-12-06 01:03:51,011 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:03:51,015 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:03:51,018 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 46 [2022-12-06 01:03:51,019 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 337 transitions, 4080 flow [2022-12-06 01:03:51,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:51,019 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:03:51,019 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:03:51,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 01:03:51,019 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 01:03:51,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:03:51,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1482980269, now seen corresponding path program 1 times [2022-12-06 01:03:51,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:03:51,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060750748] [2022-12-06 01:03:51,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:03:51,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:03:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:03:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:03:51,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:03:51,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060750748] [2022-12-06 01:03:51,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060750748] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:03:51,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:03:51,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 01:03:51,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963123333] [2022-12-06 01:03:51,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:03:51,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 01:03:51,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:03:51,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 01:03:51,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 01:03:51,171 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 34 [2022-12-06 01:03:51,171 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 337 transitions, 4080 flow. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:51,171 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:03:51,171 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 34 [2022-12-06 01:03:51,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:03:52,741 INFO L130 PetriNetUnfolder]: 7990/11610 cut-off events. [2022-12-06 01:03:52,750 INFO L131 PetriNetUnfolder]: For 3542/3542 co-relation queries the response was YES. [2022-12-06 01:03:52,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78215 conditions, 11610 events. 7990/11610 cut-off events. For 3542/3542 co-relation queries the response was YES. Maximal size of possible extension queue 410. Compared 63898 event pairs, 84 based on Foata normal form. 0/11063 useless extension candidates. Maximal degree in co-relation 78188. Up to 9459 conditions per place. [2022-12-06 01:03:52,799 INFO L137 encePairwiseOnDemand]: 31/34 looper letters, 396 selfloop transitions, 24 changer transitions 244/669 dead transitions. [2022-12-06 01:03:52,799 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 669 transitions, 9453 flow [2022-12-06 01:03:52,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 01:03:52,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 01:03:52,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2022-12-06 01:03:52,800 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6176470588235294 [2022-12-06 01:03:52,801 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, 11 predicate places. [2022-12-06 01:03:52,801 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:03:52,801 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 669 transitions, 9453 flow [2022-12-06 01:03:52,913 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 669 transitions, 9453 flow [2022-12-06 01:03:52,913 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:03:52,919 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:03:52,919 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 118 [2022-12-06 01:03:52,919 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 669 transitions, 9453 flow [2022-12-06 01:03:52,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:52,920 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:03:52,920 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:03:52,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 01:03:52,920 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 01:03:52,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:03:52,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1989961829, now seen corresponding path program 2 times [2022-12-06 01:03:52,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:03:52,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099182399] [2022-12-06 01:03:52,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:03:52,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:03:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:03:53,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:03:53,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:03:53,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099182399] [2022-12-06 01:03:53,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099182399] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:03:53,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:03:53,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 01:03:53,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094355834] [2022-12-06 01:03:53,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:03:53,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 01:03:53,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:03:53,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 01:03:53,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-06 01:03:53,183 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 34 [2022-12-06 01:03:53,183 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 669 transitions, 9453 flow. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:53,183 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:03:53,183 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 34 [2022-12-06 01:03:53,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:03:54,574 INFO L130 PetriNetUnfolder]: 6496/9322 cut-off events. [2022-12-06 01:03:54,574 INFO L131 PetriNetUnfolder]: For 5247/5247 co-relation queries the response was YES. [2022-12-06 01:03:54,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71475 conditions, 9322 events. 6496/9322 cut-off events. For 5247/5247 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 48607 event pairs, 26 based on Foata normal form. 0/9064 useless extension candidates. Maximal degree in co-relation 71445. Up to 7473 conditions per place. [2022-12-06 01:03:54,613 INFO L137 encePairwiseOnDemand]: 28/34 looper letters, 310 selfloop transitions, 102 changer transitions 297/714 dead transitions. [2022-12-06 01:03:54,613 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 714 transitions, 11511 flow [2022-12-06 01:03:54,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 01:03:54,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 01:03:54,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 109 transitions. [2022-12-06 01:03:54,615 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6411764705882353 [2022-12-06 01:03:54,615 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, 15 predicate places. [2022-12-06 01:03:54,616 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:03:54,616 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 714 transitions, 11511 flow [2022-12-06 01:03:54,692 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 714 transitions, 11511 flow [2022-12-06 01:03:54,692 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:03:54,696 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:03:54,697 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 81 [2022-12-06 01:03:54,697 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 714 transitions, 11511 flow [2022-12-06 01:03:54,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:54,697 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:03:54,697 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:03:54,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 01:03:54,698 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 01:03:54,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:03:54,698 INFO L85 PathProgramCache]: Analyzing trace with hash 711511917, now seen corresponding path program 1 times [2022-12-06 01:03:54,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:03:54,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570692293] [2022-12-06 01:03:54,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:03:54,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:03:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:03:54,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:03:54,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:03:54,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570692293] [2022-12-06 01:03:54,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570692293] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:03:54,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:03:54,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 01:03:54,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496427773] [2022-12-06 01:03:54,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:03:54,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 01:03:54,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:03:54,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 01:03:54,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 01:03:54,978 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 34 [2022-12-06 01:03:54,978 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 714 transitions, 11511 flow. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:54,978 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:03:54,979 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 34 [2022-12-06 01:03:54,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:03:56,516 INFO L130 PetriNetUnfolder]: 8875/12876 cut-off events. [2022-12-06 01:03:56,516 INFO L131 PetriNetUnfolder]: For 20148/20148 co-relation queries the response was YES. [2022-12-06 01:03:56,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110601 conditions, 12876 events. 8875/12876 cut-off events. For 20148/20148 co-relation queries the response was YES. Maximal size of possible extension queue 531. Compared 71511 event pairs, 11 based on Foata normal form. 0/12520 useless extension candidates. Maximal degree in co-relation 110568. Up to 10363 conditions per place. [2022-12-06 01:03:56,577 INFO L137 encePairwiseOnDemand]: 29/34 looper letters, 426 selfloop transitions, 21 changer transitions 844/1296 dead transitions. [2022-12-06 01:03:56,577 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 1296 transitions, 23505 flow [2022-12-06 01:03:56,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 01:03:56,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 01:03:56,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 79 transitions. [2022-12-06 01:03:56,578 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5808823529411765 [2022-12-06 01:03:56,580 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, 18 predicate places. [2022-12-06 01:03:56,581 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:03:56,581 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 1296 transitions, 23505 flow [2022-12-06 01:03:56,674 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 1296 transitions, 23505 flow [2022-12-06 01:03:56,674 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:03:56,682 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:03:56,684 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 104 [2022-12-06 01:03:56,684 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 1296 transitions, 23505 flow [2022-12-06 01:03:56,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:56,685 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:03:56,685 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:03:56,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-06 01:03:56,685 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 01:03:56,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:03:56,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1296415897, now seen corresponding path program 2 times [2022-12-06 01:03:56,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:03:56,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587852946] [2022-12-06 01:03:56,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:03:56,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:03:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:03:57,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:03:57,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:03:57,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587852946] [2022-12-06 01:03:57,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587852946] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:03:57,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:03:57,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 01:03:57,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900324192] [2022-12-06 01:03:57,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:03:57,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 01:03:57,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:03:57,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 01:03:57,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-06 01:03:57,037 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 34 [2022-12-06 01:03:57,037 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 1296 transitions, 23505 flow. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:57,037 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:03:57,037 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 34 [2022-12-06 01:03:57,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:03:59,201 INFO L130 PetriNetUnfolder]: 8603/12339 cut-off events. [2022-12-06 01:03:59,201 INFO L131 PetriNetUnfolder]: For 26871/26871 co-relation queries the response was YES. [2022-12-06 01:03:59,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117332 conditions, 12339 events. 8603/12339 cut-off events. For 26871/26871 co-relation queries the response was YES. Maximal size of possible extension queue 533. Compared 67393 event pairs, 0 based on Foata normal form. 0/12084 useless extension candidates. Maximal degree in co-relation 117296. Up to 9866 conditions per place. [2022-12-06 01:03:59,234 INFO L137 encePairwiseOnDemand]: 28/34 looper letters, 101 selfloop transitions, 45 changer transitions 1105/1253 dead transitions. [2022-12-06 01:03:59,234 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 1253 transitions, 25239 flow [2022-12-06 01:03:59,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 01:03:59,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 01:03:59,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 112 transitions. [2022-12-06 01:03:59,236 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5490196078431373 [2022-12-06 01:03:59,236 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, 23 predicate places. [2022-12-06 01:03:59,238 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:03:59,239 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 1253 transitions, 25239 flow [2022-12-06 01:03:59,314 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 1253 transitions, 25239 flow [2022-12-06 01:03:59,314 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:03:59,320 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:03:59,321 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 85 [2022-12-06 01:03:59,321 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 1253 transitions, 25239 flow [2022-12-06 01:03:59,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:59,321 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:03:59,321 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:03:59,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-06 01:03:59,321 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 01:03:59,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:03:59,322 INFO L85 PathProgramCache]: Analyzing trace with hash -129706553, now seen corresponding path program 1 times [2022-12-06 01:03:59,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:03:59,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364006799] [2022-12-06 01:03:59,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:03:59,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:03:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:04:00,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:04:00,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:04:00,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364006799] [2022-12-06 01:04:00,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364006799] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:04:00,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:04:00,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 01:04:00,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379529947] [2022-12-06 01:04:00,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:04:00,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-06 01:04:00,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:04:00,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-06 01:04:00,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-06 01:04:00,341 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 34 [2022-12-06 01:04:00,341 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 1253 transitions, 25239 flow. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:04:00,341 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:04:00,341 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 34 [2022-12-06 01:04:00,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:04:04,454 INFO L130 PetriNetUnfolder]: 12308/17842 cut-off events. [2022-12-06 01:04:04,454 INFO L131 PetriNetUnfolder]: For 39899/39899 co-relation queries the response was YES. [2022-12-06 01:04:04,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 187547 conditions, 17842 events. 12308/17842 cut-off events. For 39899/39899 co-relation queries the response was YES. Maximal size of possible extension queue 806. Compared 106000 event pairs, 0 based on Foata normal form. 0/17526 useless extension candidates. Maximal degree in co-relation 187508. Up to 15141 conditions per place. [2022-12-06 01:04:04,508 INFO L137 encePairwiseOnDemand]: 28/34 looper letters, 0 selfloop transitions, 0 changer transitions 2328/2328 dead transitions. [2022-12-06 01:04:04,508 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 2328 transitions, 51514 flow [2022-12-06 01:04:04,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 01:04:04,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 01:04:04,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 111 transitions. [2022-12-06 01:04:04,509 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5441176470588235 [2022-12-06 01:04:04,510 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, 27 predicate places. [2022-12-06 01:04:04,510 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:04:04,510 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 2328 transitions, 51514 flow [2022-12-06 01:04:04,674 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 2328 transitions, 51514 flow [2022-12-06 01:04:04,675 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:04:04,682 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:04:04,683 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 173 [2022-12-06 01:04:04,683 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 2328 transitions, 51514 flow [2022-12-06 01:04:04,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:04:04,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-12-06 01:04:04,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-12-06 01:04:04,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-12-06 01:04:04,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2022-12-06 01:04:04,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2022-12-06 01:04:04,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2022-12-06 01:04:04,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-12-06 01:04:04,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-06 01:04:04,687 INFO L458 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1] [2022-12-06 01:04:04,691 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 01:04:04,691 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 01:04:04,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 01:04:04 BasicIcfg [2022-12-06 01:04:04,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 01:04:04,694 INFO L158 Benchmark]: Toolchain (without parser) took 27912.80ms. Allocated memory was 204.5MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 179.9MB in the beginning and 3.0GB in the end (delta: -2.8GB). Peak memory consumption was 838.2MB. Max. memory is 8.0GB. [2022-12-06 01:04:04,694 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 204.5MB. Free memory was 180.8MB in the beginning and 180.7MB in the end (delta: 87.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 01:04:04,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.82ms. Allocated memory is still 204.5MB. Free memory was 179.4MB in the beginning and 151.6MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-12-06 01:04:04,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.07ms. Allocated memory is still 204.5MB. Free memory was 151.6MB in the beginning and 149.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 01:04:04,695 INFO L158 Benchmark]: Boogie Preprocessor took 36.17ms. Allocated memory is still 204.5MB. Free memory was 149.0MB in the beginning and 146.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 01:04:04,695 INFO L158 Benchmark]: RCFGBuilder took 615.11ms. Allocated memory is still 204.5MB. Free memory was 146.9MB in the beginning and 109.7MB in the end (delta: 37.2MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2022-12-06 01:04:04,696 INFO L158 Benchmark]: TraceAbstraction took 26723.20ms. Allocated memory was 204.5MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 108.7MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 766.9MB. Max. memory is 8.0GB. [2022-12-06 01:04:04,697 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 204.5MB. Free memory was 180.8MB in the beginning and 180.7MB in the end (delta: 87.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 464.82ms. Allocated memory is still 204.5MB. Free memory was 179.4MB in the beginning and 151.6MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 68.07ms. Allocated memory is still 204.5MB. Free memory was 151.6MB in the beginning and 149.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.17ms. Allocated memory is still 204.5MB. Free memory was 149.0MB in the beginning and 146.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 615.11ms. Allocated memory is still 204.5MB. Free memory was 146.9MB in the beginning and 109.7MB in the end (delta: 37.2MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. * TraceAbstraction took 26723.20ms. Allocated memory was 204.5MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 108.7MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 766.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.2s, 138 PlacesBefore, 48 PlacesAfterwards, 127 TransitionsBefore, 36 TransitionsAfterwards, 3164 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 43 TrivialYvCompositions, 52 ConcurrentYvCompositions, 1 ChoiceCompositions, 97 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2109, independent: 2036, independent conditional: 2036, independent unconditional: 0, dependent: 73, dependent conditional: 73, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2109, independent: 2036, independent conditional: 0, independent unconditional: 2036, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2109, independent: 2036, independent conditional: 0, independent unconditional: 2036, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2109, independent: 2036, independent conditional: 0, independent unconditional: 2036, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1810, independent: 1761, independent conditional: 0, independent unconditional: 1761, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1810, independent: 1748, independent conditional: 0, independent unconditional: 1748, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 62, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 216, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 200, dependent conditional: 0, dependent unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2109, independent: 275, independent conditional: 0, independent unconditional: 275, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 1810, unknown conditional: 0, unknown unconditional: 1810] , Statistics on independence cache: Total cache size (in pairs): 2605, Positive cache size: 2556, Positive conditional cache size: 0, Positive unconditional cache size: 2556, Negative cache size: 49, Negative conditional cache size: 0, Negative unconditional cache size: 49, 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: 0.5s, 48 PlacesBefore, 46 PlacesAfterwards, 57 TransitionsBefore, 55 TransitionsAfterwards, 254 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 48 PlacesBefore, 48 PlacesAfterwards, 103 TransitionsBefore, 103 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 51 PlacesBefore, 51 PlacesAfterwards, 151 TransitionsBefore, 151 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 53 PlacesBefore, 53 PlacesAfterwards, 254 TransitionsBefore, 254 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 56 PlacesBefore, 56 PlacesAfterwards, 337 TransitionsBefore, 337 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 59 PlacesBefore, 59 PlacesAfterwards, 669 TransitionsBefore, 669 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 63 PlacesBefore, 63 PlacesAfterwards, 714 TransitionsBefore, 714 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 66 PlacesBefore, 66 PlacesAfterwards, 1296 TransitionsBefore, 1296 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 71 PlacesBefore, 71 PlacesAfterwards, 1253 TransitionsBefore, 1253 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 75 PlacesBefore, 75 PlacesAfterwards, 2328 TransitionsBefore, 2328 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 168 locations, 7 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: 26.6s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 17.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 500 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 500 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1259 IncrementalHoareTripleChecker+Invalid, 1321 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 4 mSDtfsCounter, 1259 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51514occurred in iteration=10, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 1049 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 01:04:04,723 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...