/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 04:35:28,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 04:35:28,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 04:35:28,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 04:35:28,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 04:35:28,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 04:35:28,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 04:35:28,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 04:35:28,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 04:35:28,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 04:35:28,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 04:35:28,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 04:35:28,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 04:35:28,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 04:35:28,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 04:35:28,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 04:35:28,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 04:35:28,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 04:35:28,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 04:35:28,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 04:35:28,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 04:35:28,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 04:35:28,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 04:35:28,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 04:35:28,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 04:35:28,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 04:35:28,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 04:35:28,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 04:35:28,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 04:35:28,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 04:35:28,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 04:35:28,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 04:35:28,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 04:35:28,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 04:35:28,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 04:35:28,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 04:35:28,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 04:35:28,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 04:35:28,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 04:35:28,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 04:35:28,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 04:35:28,435 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 04:35:28,462 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 04:35:28,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 04:35:28,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 04:35:28,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 04:35:28,464 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 04:35:28,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 04:35:28,464 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 04:35:28,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 04:35:28,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 04:35:28,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 04:35:28,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 04:35:28,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 04:35:28,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 04:35:28,465 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 04:35:28,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 04:35:28,466 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 04:35:28,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 04:35:28,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 04:35:28,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 04:35:28,466 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 04:35:28,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 04:35:28,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:35:28,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 04:35:28,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 04:35:28,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 04:35:28,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 04:35:28,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 04:35:28,467 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 04:35:28,467 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 04:35:28,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 04:35:28,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 04:35:28,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 04:35:28,729 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 04:35:28,730 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 04:35:28,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2022-12-06 04:35:29,733 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 04:35:29,972 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 04:35:29,973 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2022-12-06 04:35:29,980 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eae36ab7/1a9aa1a16f694d148a0b5366a416a77c/FLAG2a09a73d1 [2022-12-06 04:35:29,997 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eae36ab7/1a9aa1a16f694d148a0b5366a416a77c [2022-12-06 04:35:29,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 04:35:30,000 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 04:35:30,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 04:35:30,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 04:35:30,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 04:35:30,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:35:29" (1/1) ... [2022-12-06 04:35:30,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbbd26c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:30, skipping insertion in model container [2022-12-06 04:35:30,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:35:29" (1/1) ... [2022-12-06 04:35:30,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 04:35:30,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 04:35:30,153 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/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i[992,1005] [2022-12-06 04:35:30,279 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,279 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,279 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,280 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,280 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,280 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,280 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,280 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,280 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,281 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,281 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,281 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,281 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,281 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,282 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,282 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,282 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,282 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,282 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,282 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,284 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,284 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,284 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,294 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,295 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,296 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,296 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,296 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,298 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:35:30,307 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 04:35:30,319 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/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i[992,1005] [2022-12-06 04:35:30,351 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,351 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,351 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,351 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,351 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,351 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,352 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,352 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,352 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,352 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,352 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,353 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,353 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,353 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,353 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,353 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,353 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,353 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,353 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,354 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,354 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,354 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,354 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,354 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,354 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,355 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,355 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,362 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,362 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,362 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,364 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,364 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,364 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:35:30,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:35:30,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:35:30,393 INFO L208 MainTranslator]: Completed translation [2022-12-06 04:35:30,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:30 WrapperNode [2022-12-06 04:35:30,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 04:35:30,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 04:35:30,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 04:35:30,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 04:35:30,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:30" (1/1) ... [2022-12-06 04:35:30,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:30" (1/1) ... [2022-12-06 04:35:30,430 INFO L138 Inliner]: procedures = 176, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-12-06 04:35:30,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 04:35:30,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 04:35:30,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 04:35:30,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 04:35:30,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:30" (1/1) ... [2022-12-06 04:35:30,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:30" (1/1) ... [2022-12-06 04:35:30,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:30" (1/1) ... [2022-12-06 04:35:30,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:30" (1/1) ... [2022-12-06 04:35:30,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:30" (1/1) ... [2022-12-06 04:35:30,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:30" (1/1) ... [2022-12-06 04:35:30,462 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:30" (1/1) ... [2022-12-06 04:35:30,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:30" (1/1) ... [2022-12-06 04:35:30,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 04:35:30,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 04:35:30,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 04:35:30,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 04:35:30,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:30" (1/1) ... [2022-12-06 04:35:30,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:35:30,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 04:35:30,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 04:35:30,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 04:35:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 04:35:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 04:35:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 04:35:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 04:35:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 04:35:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 04:35:30,546 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 04:35:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 04:35:30,546 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 04:35:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-06 04:35:30,546 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-06 04:35:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 04:35:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 04:35:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 04:35:30,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 04:35:30,548 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 04:35:30,641 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 04:35:30,642 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 04:35:30,830 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 04:35:30,836 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 04:35:30,836 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 04:35:30,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:35:30 BoogieIcfgContainer [2022-12-06 04:35:30,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 04:35:30,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 04:35:30,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 04:35:30,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 04:35:30,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:35:29" (1/3) ... [2022-12-06 04:35:30,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728d6fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:35:30, skipping insertion in model container [2022-12-06 04:35:30,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:35:30" (2/3) ... [2022-12-06 04:35:30,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728d6fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:35:30, skipping insertion in model container [2022-12-06 04:35:30,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:35:30" (3/3) ... [2022-12-06 04:35:30,845 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2022-12-06 04:35:30,859 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 04:35:30,859 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 04:35:30,859 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 04:35:30,893 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 04:35:30,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 85 transitions, 185 flow [2022-12-06 04:35:30,944 INFO L130 PetriNetUnfolder]: 2/82 cut-off events. [2022-12-06 04:35:30,945 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:35:30,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2022-12-06 04:35:30,948 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 85 transitions, 185 flow [2022-12-06 04:35:30,951 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 70 transitions, 149 flow [2022-12-06 04:35:30,952 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:35:30,980 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 70 transitions, 149 flow [2022-12-06 04:35:30,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 70 transitions, 149 flow [2022-12-06 04:35:30,997 INFO L130 PetriNetUnfolder]: 1/70 cut-off events. [2022-12-06 04:35:30,997 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:35:30,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 70 events. 1/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 39 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2022-12-06 04:35:30,999 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 70 transitions, 149 flow [2022-12-06 04:35:30,999 INFO L188 LiptonReduction]: Number of co-enabled transitions 1044 [2022-12-06 04:35:32,872 INFO L203 LiptonReduction]: Total number of compositions: 53 [2022-12-06 04:35:32,897 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 04:35:32,902 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;@272f9853, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 04:35:32,902 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 04:35:32,905 INFO L130 PetriNetUnfolder]: 0/14 cut-off events. [2022-12-06 04:35:32,905 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:35:32,906 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:35:32,906 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:35:32,906 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:35:32,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:35:32,910 INFO L85 PathProgramCache]: Analyzing trace with hash 235629856, now seen corresponding path program 1 times [2022-12-06 04:35:32,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:35:32,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500263119] [2022-12-06 04:35:32,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:35:32,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:35:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:35:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:35:33,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:35:33,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500263119] [2022-12-06 04:35:33,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500263119] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:35:33,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:35:33,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 04:35:33,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250666657] [2022-12-06 04:35:33,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:35:33,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:35:33,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:35:33,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:35:33,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:35:33,366 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 18 [2022-12-06 04:35:33,367 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 18 transitions, 45 flow. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:35:33,367 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:35:33,367 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 18 [2022-12-06 04:35:33,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:35:33,495 INFO L130 PetriNetUnfolder]: 577/932 cut-off events. [2022-12-06 04:35:33,495 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-12-06 04:35:33,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1923 conditions, 932 events. 577/932 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 4232 event pairs, 206 based on Foata normal form. 58/990 useless extension candidates. Maximal degree in co-relation 1912. Up to 482 conditions per place. [2022-12-06 04:35:33,505 INFO L137 encePairwiseOnDemand]: 10/18 looper letters, 24 selfloop transitions, 6 changer transitions 0/30 dead transitions. [2022-12-06 04:35:33,505 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 30 transitions, 135 flow [2022-12-06 04:35:33,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:35:33,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:35:33,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2022-12-06 04:35:33,515 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6111111111111112 [2022-12-06 04:35:33,516 INFO L175 Difference]: Start difference. First operand has 27 places, 18 transitions, 45 flow. Second operand 3 states and 33 transitions. [2022-12-06 04:35:33,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 30 transitions, 135 flow [2022-12-06 04:35:33,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 30 transitions, 130 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-06 04:35:33,521 INFO L231 Difference]: Finished difference. Result has 28 places, 21 transitions, 82 flow [2022-12-06 04:35:33,523 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=28, PETRI_TRANSITIONS=21} [2022-12-06 04:35:33,529 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 1 predicate places. [2022-12-06 04:35:33,530 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:35:33,530 INFO L89 Accepts]: Start accepts. Operand has 28 places, 21 transitions, 82 flow [2022-12-06 04:35:33,532 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:35:33,533 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:35:33,533 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 21 transitions, 82 flow [2022-12-06 04:35:33,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 28 places, 21 transitions, 82 flow [2022-12-06 04:35:33,546 INFO L130 PetriNetUnfolder]: 46/132 cut-off events. [2022-12-06 04:35:33,546 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-12-06 04:35:33,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 132 events. 46/132 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 631 event pairs, 16 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 273. Up to 56 conditions per place. [2022-12-06 04:35:33,547 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 21 transitions, 82 flow [2022-12-06 04:35:33,548 INFO L188 LiptonReduction]: Number of co-enabled transitions 138 [2022-12-06 04:35:33,555 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:35:33,557 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 27 [2022-12-06 04:35:33,557 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 21 transitions, 82 flow [2022-12-06 04:35:33,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:35:33,557 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:35:33,557 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:35:33,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 04:35:33,558 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:35:33,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:35:33,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1285410536, now seen corresponding path program 1 times [2022-12-06 04:35:33,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:35:33,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370446113] [2022-12-06 04:35:33,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:35:33,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:35:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:35:33,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:35:33,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:35:33,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370446113] [2022-12-06 04:35:33,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370446113] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:35:33,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:35:33,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 04:35:33,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133035206] [2022-12-06 04:35:33,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:35:33,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:35:33,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:35:33,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:35:33,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:35:33,658 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 17 [2022-12-06 04:35:33,658 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 21 transitions, 82 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 04:35:33,659 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:35:33,659 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 17 [2022-12-06 04:35:33,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:35:33,735 INFO L130 PetriNetUnfolder]: 372/646 cut-off events. [2022-12-06 04:35:33,735 INFO L131 PetriNetUnfolder]: For 281/285 co-relation queries the response was YES. [2022-12-06 04:35:33,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1637 conditions, 646 events. 372/646 cut-off events. For 281/285 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2972 event pairs, 170 based on Foata normal form. 19/640 useless extension candidates. Maximal degree in co-relation 1625. Up to 316 conditions per place. [2022-12-06 04:35:33,741 INFO L137 encePairwiseOnDemand]: 14/17 looper letters, 18 selfloop transitions, 3 changer transitions 1/26 dead transitions. [2022-12-06 04:35:33,741 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 26 transitions, 140 flow [2022-12-06 04:35:33,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:35:33,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:35:33,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2022-12-06 04:35:33,742 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5294117647058824 [2022-12-06 04:35:33,742 INFO L175 Difference]: Start difference. First operand has 28 places, 21 transitions, 82 flow. Second operand 3 states and 27 transitions. [2022-12-06 04:35:33,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 26 transitions, 140 flow [2022-12-06 04:35:33,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 26 transitions, 126 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 04:35:33,745 INFO L231 Difference]: Finished difference. Result has 29 places, 21 transitions, 81 flow [2022-12-06 04:35:33,745 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=81, PETRI_PLACES=29, PETRI_TRANSITIONS=21} [2022-12-06 04:35:33,745 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 2 predicate places. [2022-12-06 04:35:33,745 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:35:33,746 INFO L89 Accepts]: Start accepts. Operand has 29 places, 21 transitions, 81 flow [2022-12-06 04:35:33,746 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:35:33,746 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:35:33,746 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 21 transitions, 81 flow [2022-12-06 04:35:33,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 21 transitions, 81 flow [2022-12-06 04:35:33,755 INFO L130 PetriNetUnfolder]: 24/83 cut-off events. [2022-12-06 04:35:33,756 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-12-06 04:35:33,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 83 events. 24/83 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 302 event pairs, 8 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 166. Up to 34 conditions per place. [2022-12-06 04:35:33,757 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 21 transitions, 81 flow [2022-12-06 04:35:33,757 INFO L188 LiptonReduction]: Number of co-enabled transitions 138 [2022-12-06 04:35:33,766 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:35:33,768 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 23 [2022-12-06 04:35:33,769 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 21 transitions, 81 flow [2022-12-06 04:35:33,769 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 04:35:33,769 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:35:33,769 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:35:33,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 04:35:33,769 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:35:33,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:35:33,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1672012076, now seen corresponding path program 1 times [2022-12-06 04:35:33,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:35:33,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111843222] [2022-12-06 04:35:33,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:35:33,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:35:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:35:33,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:35:33,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:35:33,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111843222] [2022-12-06 04:35:33,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111843222] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:35:33,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:35:33,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:35:33,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493314018] [2022-12-06 04:35:33,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:35:33,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 04:35:33,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:35:33,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 04:35:33,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 04:35:33,914 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 17 [2022-12-06 04:35:33,914 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 21 transitions, 81 flow. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:35:33,914 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:35:33,915 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 17 [2022-12-06 04:35:33,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:35:34,030 INFO L130 PetriNetUnfolder]: 297/585 cut-off events. [2022-12-06 04:35:34,030 INFO L131 PetriNetUnfolder]: For 200/208 co-relation queries the response was YES. [2022-12-06 04:35:34,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1397 conditions, 585 events. 297/585 cut-off events. For 200/208 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3190 event pairs, 62 based on Foata normal form. 23/579 useless extension candidates. Maximal degree in co-relation 1384. Up to 306 conditions per place. [2022-12-06 04:35:34,033 INFO L137 encePairwiseOnDemand]: 11/17 looper letters, 32 selfloop transitions, 8 changer transitions 1/47 dead transitions. [2022-12-06 04:35:34,033 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 47 transitions, 237 flow [2022-12-06 04:35:34,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 04:35:34,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 04:35:34,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions. [2022-12-06 04:35:34,048 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6352941176470588 [2022-12-06 04:35:34,048 INFO L175 Difference]: Start difference. First operand has 29 places, 21 transitions, 81 flow. Second operand 5 states and 54 transitions. [2022-12-06 04:35:34,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 47 transitions, 237 flow [2022-12-06 04:35:34,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 47 transitions, 231 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 04:35:34,050 INFO L231 Difference]: Finished difference. Result has 34 places, 28 transitions, 133 flow [2022-12-06 04:35:34,050 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=133, PETRI_PLACES=34, PETRI_TRANSITIONS=28} [2022-12-06 04:35:34,051 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 7 predicate places. [2022-12-06 04:35:34,051 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:35:34,051 INFO L89 Accepts]: Start accepts. Operand has 34 places, 28 transitions, 133 flow [2022-12-06 04:35:34,051 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:35:34,051 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:35:34,052 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 28 transitions, 133 flow [2022-12-06 04:35:34,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 34 places, 28 transitions, 133 flow [2022-12-06 04:35:34,066 INFO L130 PetriNetUnfolder]: 73/217 cut-off events. [2022-12-06 04:35:34,066 INFO L131 PetriNetUnfolder]: For 164/184 co-relation queries the response was YES. [2022-12-06 04:35:34,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 594 conditions, 217 events. 73/217 cut-off events. For 164/184 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1260 event pairs, 37 based on Foata normal form. 7/214 useless extension candidates. Maximal degree in co-relation 581. Up to 114 conditions per place. [2022-12-06 04:35:34,068 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 28 transitions, 133 flow [2022-12-06 04:35:34,068 INFO L188 LiptonReduction]: Number of co-enabled transitions 236 [2022-12-06 04:35:34,074 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [247] L789-3-->L2: Formula: (and (= (mod v_~main$tmp_guard0~0_38 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_39|) (= v_~main$tmp_guard0~0_38 (ite (= (ite (= v_~__unbuffered_cnt~0_113 3) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_113} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_39|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_15|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_113, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_21|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_38, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_39|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [243] L748-->P1EXIT: Formula: (and (= v_~__unbuffered_cnt~0_109 (+ v_~__unbuffered_cnt~0_110 1)) (= |v_P1Thread1of1ForFork2_#res.base_21| 0) (= 0 |v_P1Thread1of1ForFork2_#res.offset_21|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_110} OutVars{P1Thread1of1ForFork2_#res.offset=|v_P1Thread1of1ForFork2_#res.offset_21|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_109, P1Thread1of1ForFork2_#res.base=|v_P1Thread1of1ForFork2_#res.base_21|} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork2_#res.base] [2022-12-06 04:35:34,100 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [247] L789-3-->L2: Formula: (and (= (mod v_~main$tmp_guard0~0_38 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_39|) (= v_~main$tmp_guard0~0_38 (ite (= (ite (= v_~__unbuffered_cnt~0_113 3) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_113} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_39|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_15|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_113, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_21|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_38, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_39|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [219] L731-->P0EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_44 1) v_~__unbuffered_cnt~0_43) (= |v_P0Thread1of1ForFork1_#res.offset_7| 0) (= |v_P0Thread1of1ForFork1_#res.base_7| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_44} OutVars{P0Thread1of1ForFork1_#res.offset=|v_P0Thread1of1ForFork1_#res.offset_7|, P0Thread1of1ForFork1_#res.base=|v_P0Thread1of1ForFork1_#res.base_7|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_43} AuxVars[] AssignedVars[P0Thread1of1ForFork1_#res.offset, P0Thread1of1ForFork1_#res.base, ~__unbuffered_cnt~0] [2022-12-06 04:35:34,126 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [247] L789-3-->L2: Formula: (and (= (mod v_~main$tmp_guard0~0_38 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_39|) (= v_~main$tmp_guard0~0_38 (ite (= (ite (= v_~__unbuffered_cnt~0_113 3) 1 0) 0) 0 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_113} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_39|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_15|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_113, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_21|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_38, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_39|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~pre7#1, ~main$tmp_guard0~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] and [232] L765-->P2EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_78 1) v_~__unbuffered_cnt~0_77) (= |v_P2Thread1of1ForFork0_#res.base_11| 0) (= |v_P2Thread1of1ForFork0_#res.offset_11| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_78} OutVars{P2Thread1of1ForFork0_#res.base=|v_P2Thread1of1ForFork0_#res.base_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_77, P2Thread1of1ForFork0_#res.offset=|v_P2Thread1of1ForFork0_#res.offset_11|} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork0_#res.offset] [2022-12-06 04:35:34,155 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 04:35:34,156 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 105 [2022-12-06 04:35:34,156 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 27 transitions, 139 flow [2022-12-06 04:35:34,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:35:34,156 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:35:34,156 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:35:34,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 04:35:34,156 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:35:34,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:35:34,157 INFO L85 PathProgramCache]: Analyzing trace with hash -119718444, now seen corresponding path program 1 times [2022-12-06 04:35:34,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:35:34,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919361763] [2022-12-06 04:35:34,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:35:34,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:35:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:35:34,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:35:34,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:35:34,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919361763] [2022-12-06 04:35:34,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919361763] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:35:34,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:35:34,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 04:35:34,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615519038] [2022-12-06 04:35:34,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:35:34,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 04:35:34,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:35:34,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 04:35:34,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 04:35:34,232 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 20 [2022-12-06 04:35:34,232 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 27 transitions, 139 flow. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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 04:35:34,232 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:35:34,232 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 20 [2022-12-06 04:35:34,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:35:34,319 INFO L130 PetriNetUnfolder]: 221/483 cut-off events. [2022-12-06 04:35:34,320 INFO L131 PetriNetUnfolder]: For 747/830 co-relation queries the response was YES. [2022-12-06 04:35:34,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1632 conditions, 483 events. 221/483 cut-off events. For 747/830 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2706 event pairs, 28 based on Foata normal form. 44/511 useless extension candidates. Maximal degree in co-relation 1616. Up to 222 conditions per place. [2022-12-06 04:35:34,322 INFO L137 encePairwiseOnDemand]: 11/20 looper letters, 28 selfloop transitions, 13 changer transitions 12/59 dead transitions. [2022-12-06 04:35:34,322 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 59 transitions, 371 flow [2022-12-06 04:35:34,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 04:35:34,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 04:35:34,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 68 transitions. [2022-12-06 04:35:34,323 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5666666666666667 [2022-12-06 04:35:34,323 INFO L175 Difference]: Start difference. First operand has 33 places, 27 transitions, 139 flow. Second operand 6 states and 68 transitions. [2022-12-06 04:35:34,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 59 transitions, 371 flow [2022-12-06 04:35:34,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 59 transitions, 365 flow, removed 3 selfloop flow, removed 0 redundant places. [2022-12-06 04:35:34,325 INFO L231 Difference]: Finished difference. Result has 41 places, 33 transitions, 220 flow [2022-12-06 04:35:34,326 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=20, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=220, PETRI_PLACES=41, PETRI_TRANSITIONS=33} [2022-12-06 04:35:34,326 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 14 predicate places. [2022-12-06 04:35:34,326 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:35:34,326 INFO L89 Accepts]: Start accepts. Operand has 41 places, 33 transitions, 220 flow [2022-12-06 04:35:34,327 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:35:34,327 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:35:34,327 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 33 transitions, 220 flow [2022-12-06 04:35:34,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 33 transitions, 220 flow [2022-12-06 04:35:34,341 INFO L130 PetriNetUnfolder]: 52/192 cut-off events. [2022-12-06 04:35:34,341 INFO L131 PetriNetUnfolder]: For 566/609 co-relation queries the response was YES. [2022-12-06 04:35:34,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 740 conditions, 192 events. 52/192 cut-off events. For 566/609 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1155 event pairs, 10 based on Foata normal form. 8/193 useless extension candidates. Maximal degree in co-relation 722. Up to 115 conditions per place. [2022-12-06 04:35:34,343 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 33 transitions, 220 flow [2022-12-06 04:35:34,343 INFO L188 LiptonReduction]: Number of co-enabled transitions 254 [2022-12-06 04:35:34,373 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 04:35:34,373 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 47 [2022-12-06 04:35:34,373 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 29 transitions, 180 flow [2022-12-06 04:35:34,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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 04:35:34,374 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:35:34,374 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:35:34,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 04:35:34,374 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:35:34,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:35:34,374 INFO L85 PathProgramCache]: Analyzing trace with hash 863972875, now seen corresponding path program 1 times [2022-12-06 04:35:34,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:35:34,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682346460] [2022-12-06 04:35:34,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:35:34,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:35:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:35:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:35:34,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:35:34,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682346460] [2022-12-06 04:35:34,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682346460] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:35:34,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:35:34,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 04:35:34,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120689816] [2022-12-06 04:35:34,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:35:34,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 04:35:34,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:35:34,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 04:35:34,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-06 04:35:34,460 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 18 [2022-12-06 04:35:34,461 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 29 transitions, 180 flow. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:35:34,461 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:35:34,461 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 18 [2022-12-06 04:35:34,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:35:34,550 INFO L130 PetriNetUnfolder]: 139/307 cut-off events. [2022-12-06 04:35:34,551 INFO L131 PetriNetUnfolder]: For 758/791 co-relation queries the response was YES. [2022-12-06 04:35:34,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1174 conditions, 307 events. 139/307 cut-off events. For 758/791 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1443 event pairs, 24 based on Foata normal form. 28/323 useless extension candidates. Maximal degree in co-relation 1153. Up to 117 conditions per place. [2022-12-06 04:35:34,553 INFO L137 encePairwiseOnDemand]: 11/18 looper letters, 23 selfloop transitions, 13 changer transitions 12/54 dead transitions. [2022-12-06 04:35:34,553 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 54 transitions, 378 flow [2022-12-06 04:35:34,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-06 04:35:34,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-06 04:35:34,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 69 transitions. [2022-12-06 04:35:34,554 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4791666666666667 [2022-12-06 04:35:34,554 INFO L175 Difference]: Start difference. First operand has 41 places, 29 transitions, 180 flow. Second operand 8 states and 69 transitions. [2022-12-06 04:35:34,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 54 transitions, 378 flow [2022-12-06 04:35:34,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 54 transitions, 356 flow, removed 8 selfloop flow, removed 2 redundant places. [2022-12-06 04:35:34,557 INFO L231 Difference]: Finished difference. Result has 49 places, 30 transitions, 205 flow [2022-12-06 04:35:34,557 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=205, PETRI_PLACES=49, PETRI_TRANSITIONS=30} [2022-12-06 04:35:34,558 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 22 predicate places. [2022-12-06 04:35:34,558 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:35:34,558 INFO L89 Accepts]: Start accepts. Operand has 49 places, 30 transitions, 205 flow [2022-12-06 04:35:34,559 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:35:34,559 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:35:34,559 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 30 transitions, 205 flow [2022-12-06 04:35:34,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 30 transitions, 205 flow [2022-12-06 04:35:34,567 INFO L130 PetriNetUnfolder]: 36/122 cut-off events. [2022-12-06 04:35:34,567 INFO L131 PetriNetUnfolder]: For 254/261 co-relation queries the response was YES. [2022-12-06 04:35:34,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 122 events. 36/122 cut-off events. For 254/261 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 558 event pairs, 6 based on Foata normal form. 3/121 useless extension candidates. Maximal degree in co-relation 438. Up to 40 conditions per place. [2022-12-06 04:35:34,568 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 30 transitions, 205 flow [2022-12-06 04:35:34,569 INFO L188 LiptonReduction]: Number of co-enabled transitions 186 [2022-12-06 04:35:34,655 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 04:35:34,656 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 98 [2022-12-06 04:35:34,656 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 27 transitions, 181 flow [2022-12-06 04:35:34,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:35:34,687 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:35:34,687 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:35:34,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 04:35:34,688 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:35:34,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:35:34,688 INFO L85 PathProgramCache]: Analyzing trace with hash -765059141, now seen corresponding path program 1 times [2022-12-06 04:35:34,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:35:34,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996409890] [2022-12-06 04:35:34,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:35:34,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:35:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:35:34,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:35:34,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:35:34,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996409890] [2022-12-06 04:35:34,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996409890] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:35:34,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:35:34,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 04:35:34,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144177484] [2022-12-06 04:35:34,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:35:34,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 04:35:34,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:35:34,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 04:35:34,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-06 04:35:34,774 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 17 [2022-12-06 04:35:34,774 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 27 transitions, 181 flow. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:35:34,774 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:35:34,775 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 17 [2022-12-06 04:35:34,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:35:34,860 INFO L130 PetriNetUnfolder]: 299/579 cut-off events. [2022-12-06 04:35:34,860 INFO L131 PetriNetUnfolder]: For 1099/1099 co-relation queries the response was YES. [2022-12-06 04:35:34,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2447 conditions, 579 events. 299/579 cut-off events. For 1099/1099 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2903 event pairs, 41 based on Foata normal form. 3/550 useless extension candidates. Maximal degree in co-relation 2423. Up to 174 conditions per place. [2022-12-06 04:35:34,862 INFO L137 encePairwiseOnDemand]: 9/17 looper letters, 29 selfloop transitions, 7 changer transitions 46/82 dead transitions. [2022-12-06 04:35:34,862 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 82 transitions, 750 flow [2022-12-06 04:35:34,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 04:35:34,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 04:35:34,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2022-12-06 04:35:34,863 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5098039215686274 [2022-12-06 04:35:34,863 INFO L175 Difference]: Start difference. First operand has 46 places, 27 transitions, 181 flow. Second operand 6 states and 52 transitions. [2022-12-06 04:35:34,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 82 transitions, 750 flow [2022-12-06 04:35:34,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 82 transitions, 556 flow, removed 50 selfloop flow, removed 10 redundant places. [2022-12-06 04:35:34,868 INFO L231 Difference]: Finished difference. Result has 40 places, 25 transitions, 144 flow [2022-12-06 04:35:34,868 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=144, PETRI_PLACES=40, PETRI_TRANSITIONS=25} [2022-12-06 04:35:34,869 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 13 predicate places. [2022-12-06 04:35:34,869 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:35:34,869 INFO L89 Accepts]: Start accepts. Operand has 40 places, 25 transitions, 144 flow [2022-12-06 04:35:34,869 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:35:34,869 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:35:34,870 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 25 transitions, 144 flow [2022-12-06 04:35:34,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 25 transitions, 144 flow [2022-12-06 04:35:34,875 INFO L130 PetriNetUnfolder]: 23/75 cut-off events. [2022-12-06 04:35:34,875 INFO L131 PetriNetUnfolder]: For 101/104 co-relation queries the response was YES. [2022-12-06 04:35:34,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 75 events. 23/75 cut-off events. For 101/104 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 282 event pairs, 2 based on Foata normal form. 2/72 useless extension candidates. Maximal degree in co-relation 225. Up to 22 conditions per place. [2022-12-06 04:35:34,875 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 25 transitions, 144 flow [2022-12-06 04:35:34,875 INFO L188 LiptonReduction]: Number of co-enabled transitions 90 [2022-12-06 04:35:34,877 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:35:34,878 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 9 [2022-12-06 04:35:34,878 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 25 transitions, 144 flow [2022-12-06 04:35:34,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:35:34,878 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:35:34,878 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:35:34,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 04:35:34,878 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:35:34,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:35:34,879 INFO L85 PathProgramCache]: Analyzing trace with hash -580718881, now seen corresponding path program 2 times [2022-12-06 04:35:34,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:35:34,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264656873] [2022-12-06 04:35:34,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:35:34,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:35:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:35:34,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:35:34,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:35:34,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264656873] [2022-12-06 04:35:34,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264656873] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:35:34,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:35:34,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 04:35:34,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496633152] [2022-12-06 04:35:34,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:35:34,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 04:35:34,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:35:34,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 04:35:34,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 04:35:34,956 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 17 [2022-12-06 04:35:34,956 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 25 transitions, 144 flow. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:35:34,956 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:35:34,956 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 17 [2022-12-06 04:35:34,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:35:35,009 INFO L130 PetriNetUnfolder]: 99/198 cut-off events. [2022-12-06 04:35:35,009 INFO L131 PetriNetUnfolder]: For 270/270 co-relation queries the response was YES. [2022-12-06 04:35:35,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 784 conditions, 198 events. 99/198 cut-off events. For 270/270 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 791 event pairs, 7 based on Foata normal form. 1/187 useless extension candidates. Maximal degree in co-relation 773. Up to 138 conditions per place. [2022-12-06 04:35:35,010 INFO L137 encePairwiseOnDemand]: 9/17 looper letters, 0 selfloop transitions, 0 changer transitions 49/49 dead transitions. [2022-12-06 04:35:35,010 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 49 transitions, 368 flow [2022-12-06 04:35:35,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 04:35:35,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 04:35:35,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2022-12-06 04:35:35,011 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4117647058823529 [2022-12-06 04:35:35,011 INFO L175 Difference]: Start difference. First operand has 38 places, 25 transitions, 144 flow. Second operand 5 states and 35 transitions. [2022-12-06 04:35:35,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 49 transitions, 368 flow [2022-12-06 04:35:35,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 49 transitions, 301 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-06 04:35:35,012 INFO L231 Difference]: Finished difference. Result has 35 places, 0 transitions, 0 flow [2022-12-06 04:35:35,012 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=35, PETRI_TRANSITIONS=0} [2022-12-06 04:35:35,013 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 8 predicate places. [2022-12-06 04:35:35,013 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:35:35,013 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 0 transitions, 0 flow [2022-12-06 04:35:35,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-06 04:35:35,013 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-06 04:35:35,014 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:35:35,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-06 04:35:35,014 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-06 04:35:35,014 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 04:35:35,014 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:35:35,015 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2 [2022-12-06 04:35:35,015 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-06 04:35:35,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:35:35,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-06 04:35:35,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 04:35:35,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-06 04:35:35,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-12-06 04:35:35,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 04:35:35,018 INFO L458 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2022-12-06 04:35:35,020 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 04:35:35,020 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 04:35:35,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:35:35 BasicIcfg [2022-12-06 04:35:35,022 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 04:35:35,022 INFO L158 Benchmark]: Toolchain (without parser) took 5022.36ms. Allocated memory was 237.0MB in the beginning and 289.4MB in the end (delta: 52.4MB). Free memory was 211.1MB in the beginning and 153.2MB in the end (delta: 57.8MB). Peak memory consumption was 110.9MB. Max. memory is 8.0GB. [2022-12-06 04:35:35,022 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 237.0MB. Free memory was 213.1MB in the beginning and 213.0MB in the end (delta: 169.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 04:35:35,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.48ms. Allocated memory is still 237.0MB. Free memory was 211.1MB in the beginning and 187.0MB in the end (delta: 24.0MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-12-06 04:35:35,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.21ms. Allocated memory is still 237.0MB. Free memory was 187.0MB in the beginning and 185.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 04:35:35,023 INFO L158 Benchmark]: Boogie Preprocessor took 34.11ms. Allocated memory is still 237.0MB. Free memory was 184.9MB in the beginning and 183.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 04:35:35,023 INFO L158 Benchmark]: RCFGBuilder took 372.53ms. Allocated memory is still 237.0MB. Free memory was 183.9MB in the beginning and 170.1MB in the end (delta: 13.8MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-06 04:35:35,023 INFO L158 Benchmark]: TraceAbstraction took 4181.22ms. Allocated memory was 237.0MB in the beginning and 289.4MB in the end (delta: 52.4MB). Free memory was 169.2MB in the beginning and 153.2MB in the end (delta: 16.0MB). Peak memory consumption was 68.9MB. Max. memory is 8.0GB. [2022-12-06 04:35:35,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 237.0MB. Free memory was 213.1MB in the beginning and 213.0MB in the end (delta: 169.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 393.48ms. Allocated memory is still 237.0MB. Free memory was 211.1MB in the beginning and 187.0MB in the end (delta: 24.0MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.21ms. Allocated memory is still 237.0MB. Free memory was 187.0MB in the beginning and 185.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.11ms. Allocated memory is still 237.0MB. Free memory was 184.9MB in the beginning and 183.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 372.53ms. Allocated memory is still 237.0MB. Free memory was 183.9MB in the beginning and 170.1MB in the end (delta: 13.8MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 4181.22ms. Allocated memory was 237.0MB in the beginning and 289.4MB in the end (delta: 52.4MB). Free memory was 169.2MB in the beginning and 153.2MB in the end (delta: 16.0MB). Peak memory consumption was 68.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9s, 79 PlacesBefore, 27 PlacesAfterwards, 70 TransitionsBefore, 18 TransitionsAfterwards, 1044 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 32 ConcurrentYvCompositions, 0 ChoiceCompositions, 53 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 781, independent: 741, independent conditional: 741, independent unconditional: 0, dependent: 40, dependent conditional: 40, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 781, independent: 741, independent conditional: 0, independent unconditional: 741, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 781, independent: 741, independent conditional: 0, independent unconditional: 741, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 781, independent: 741, independent conditional: 0, independent unconditional: 741, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 682, independent: 655, independent conditional: 0, independent unconditional: 655, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 682, independent: 648, independent conditional: 0, independent unconditional: 648, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 781, independent: 86, independent conditional: 0, independent unconditional: 86, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 682, unknown conditional: 0, unknown unconditional: 682] , Statistics on independence cache: Total cache size (in pairs): 973, Positive cache size: 946, Positive conditional cache size: 0, Positive unconditional cache size: 946, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 28 PlacesBefore, 28 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 138 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, independent: 6, independent conditional: 6, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 3, dependent conditional: 2, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 29 PlacesBefore, 29 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 138 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, independent: 32, independent conditional: 32, independent unconditional: 0, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 39, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 39, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 39, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 39, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 19, unknown conditional: 0, unknown unconditional: 19] , Statistics on independence cache: Total cache size (in pairs): 25, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 34 PlacesBefore, 33 PlacesAfterwards, 28 TransitionsBefore, 27 TransitionsAfterwards, 236 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38, independent: 34, independent conditional: 34, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 38, independent: 34, independent conditional: 30, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 38, independent: 34, independent conditional: 30, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 38, independent: 34, independent conditional: 30, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 3, 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: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 38, independent: 31, independent conditional: 27, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 24, Positive conditional cache size: 3, Positive unconditional cache size: 21, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 41 PlacesBefore, 41 PlacesAfterwards, 33 TransitionsBefore, 29 TransitionsAfterwards, 254 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, independent: 42, independent conditional: 42, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 48, independent: 42, independent conditional: 30, independent unconditional: 12, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 48, independent: 42, independent conditional: 30, independent unconditional: 12, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 48, independent: 42, independent conditional: 30, independent unconditional: 12, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, independent: 16, independent conditional: 15, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, independent: 16, independent conditional: 0, independent unconditional: 16, 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: 48, independent: 26, independent conditional: 15, independent unconditional: 11, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 16, unknown conditional: 15, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 18, Positive unconditional cache size: 22, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 48 PlacesBefore, 46 PlacesAfterwards, 30 TransitionsBefore, 27 TransitionsAfterwards, 186 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55, independent: 51, independent conditional: 51, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 55, independent: 51, independent conditional: 26, independent unconditional: 25, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 55, independent: 51, independent conditional: 26, independent unconditional: 25, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55, independent: 51, independent conditional: 26, independent unconditional: 25, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, independent: 15, independent conditional: 7, independent unconditional: 8, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15, independent: 15, independent conditional: 0, independent unconditional: 15, 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: 55, independent: 36, independent conditional: 19, independent unconditional: 17, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 15, unknown conditional: 7, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 65, Positive cache size: 61, Positive conditional cache size: 28, Positive unconditional cache size: 33, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 38 PlacesBefore, 38 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 90 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12, independent: 10, independent conditional: 6, independent unconditional: 4, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12, independent: 10, independent conditional: 6, independent unconditional: 4, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12, independent: 9, independent conditional: 6, independent unconditional: 3, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 67, Positive cache size: 62, Positive conditional cache size: 28, Positive unconditional cache size: 34, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 67, Positive cache size: 62, Positive conditional cache size: 28, Positive unconditional cache size: 34, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 108 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.1s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 383 IncrementalHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 7 mSDtfsCounter, 383 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=220occurred in iteration=4, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 04:35:35,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...