/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/weaver/test-easy10.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 05:43:52,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 05:43:52,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 05:43:52,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 05:43:52,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 05:43:52,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 05:43:52,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 05:43:52,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 05:43:52,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 05:43:52,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 05:43:52,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 05:43:52,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 05:43:52,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 05:43:52,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 05:43:52,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 05:43:52,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 05:43:52,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 05:43:52,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 05:43:52,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 05:43:52,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 05:43:52,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 05:43:52,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 05:43:52,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 05:43:52,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 05:43:52,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 05:43:52,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 05:43:52,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 05:43:52,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 05:43:52,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 05:43:52,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 05:43:52,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 05:43:52,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 05:43:52,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 05:43:52,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 05:43:52,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 05:43:52,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 05:43:52,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 05:43:52,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 05:43:52,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 05:43:52,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 05:43:52,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 05:43:52,568 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 05:43:52,600 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 05:43:52,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 05:43:52,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 05:43:52,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 05:43:52,603 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 05:43:52,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 05:43:52,604 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 05:43:52,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 05:43:52,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 05:43:52,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 05:43:52,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 05:43:52,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 05:43:52,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 05:43:52,605 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 05:43:52,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 05:43:52,606 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 05:43:52,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 05:43:52,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 05:43:52,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 05:43:52,606 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 05:43:52,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 05:43:52,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 05:43:52,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 05:43:52,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 05:43:52,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 05:43:52,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 05:43:52,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 05:43:52,607 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 05:43:52,607 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 05:43:52,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 05:43:52,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 05:43:52,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 05:43:52,947 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 05:43:52,947 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 05:43:52,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy10.wvr.c [2022-12-06 05:43:53,999 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 05:43:54,226 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 05:43:54,227 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy10.wvr.c [2022-12-06 05:43:54,238 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/166d3be73/017aa656beda42a3b9ba03e95e21e03d/FLAG26ab6365d [2022-12-06 05:43:54,258 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/166d3be73/017aa656beda42a3b9ba03e95e21e03d [2022-12-06 05:43:54,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 05:43:54,262 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 05:43:54,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 05:43:54,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 05:43:54,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 05:43:54,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:43:54" (1/1) ... [2022-12-06 05:43:54,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed86d50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54, skipping insertion in model container [2022-12-06 05:43:54,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:43:54" (1/1) ... [2022-12-06 05:43:54,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 05:43:54,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 05:43:54,451 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,453 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,454 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,454 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,455 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,457 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,457 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,458 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,458 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,459 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,459 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,460 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,462 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,463 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,463 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,464 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,464 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,464 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,464 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,465 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,465 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,465 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,466 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,466 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,467 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,473 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,473 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,474 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,474 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,475 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,476 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,478 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,479 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,479 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,482 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,483 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,484 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,484 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,484 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,484 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,485 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,486 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,486 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,487 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,487 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,487 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,500 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy10.wvr.c[3907,3920] [2022-12-06 05:43:54,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 05:43:54,521 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 05:43:54,535 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,536 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,536 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,536 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,536 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,536 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,537 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,537 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,537 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,539 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,539 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,539 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,541 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,542 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,544 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,544 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,545 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,545 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,546 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,546 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,546 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,547 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,547 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,548 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,554 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,554 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,554 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,555 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,555 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,555 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,556 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,556 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,557 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,557 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,557 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,558 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,559 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,559 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,561 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,562 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,562 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:43:54,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:43:54,571 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy10.wvr.c[3907,3920] [2022-12-06 05:43:54,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 05:43:54,584 INFO L208 MainTranslator]: Completed translation [2022-12-06 05:43:54,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54 WrapperNode [2022-12-06 05:43:54,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 05:43:54,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 05:43:54,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 05:43:54,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 05:43:54,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2022-12-06 05:43:54,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2022-12-06 05:43:54,633 INFO L138 Inliner]: procedures = 23, calls = 84, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2022-12-06 05:43:54,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 05:43:54,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 05:43:54,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 05:43:54,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 05:43:54,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2022-12-06 05:43:54,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2022-12-06 05:43:54,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2022-12-06 05:43:54,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2022-12-06 05:43:54,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2022-12-06 05:43:54,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2022-12-06 05:43:54,652 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2022-12-06 05:43:54,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2022-12-06 05:43:54,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 05:43:54,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 05:43:54,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 05:43:54,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 05:43:54,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (1/1) ... [2022-12-06 05:43:54,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 05:43:54,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 05:43:54,696 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 05:43:54,715 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 05:43:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 05:43:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 05:43:54,746 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 05:43:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 05:43:54,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 05:43:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-06 05:43:54,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-06 05:43:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-06 05:43:54,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-06 05:43:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 05:43:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 05:43:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 05:43:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 05:43:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 05:43:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 05:43:54,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 05:43:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 05:43:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 05:43:54,750 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 05:43:54,865 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 05:43:54,867 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 05:43:55,145 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 05:43:55,230 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 05:43:55,230 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 05:43:55,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:43:55 BoogieIcfgContainer [2022-12-06 05:43:55,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 05:43:55,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 05:43:55,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 05:43:55,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 05:43:55,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:43:54" (1/3) ... [2022-12-06 05:43:55,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a21020f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:43:55, skipping insertion in model container [2022-12-06 05:43:55,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:54" (2/3) ... [2022-12-06 05:43:55,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a21020f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:43:55, skipping insertion in model container [2022-12-06 05:43:55,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:43:55" (3/3) ... [2022-12-06 05:43:55,250 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy10.wvr.c [2022-12-06 05:43:55,268 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 05:43:55,268 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 05:43:55,268 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 05:43:55,413 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-12-06 05:43:55,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 142 places, 131 transitions, 294 flow [2022-12-06 05:43:55,569 INFO L130 PetriNetUnfolder]: 2/127 cut-off events. [2022-12-06 05:43:55,569 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 05:43:55,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 127 events. 2/127 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 79 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2022-12-06 05:43:55,574 INFO L82 GeneralOperation]: Start removeDead. Operand has 142 places, 131 transitions, 294 flow [2022-12-06 05:43:55,582 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 115 transitions, 254 flow [2022-12-06 05:43:55,583 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:43:55,610 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 115 transitions, 254 flow [2022-12-06 05:43:55,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 254 flow [2022-12-06 05:43:55,659 INFO L130 PetriNetUnfolder]: 2/115 cut-off events. [2022-12-06 05:43:55,659 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 05:43:55,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 115 events. 2/115 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 78 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2022-12-06 05:43:55,664 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 115 transitions, 254 flow [2022-12-06 05:43:55,664 INFO L188 LiptonReduction]: Number of co-enabled transitions 1824 [2022-12-06 05:44:00,028 INFO L203 LiptonReduction]: Total number of compositions: 82 [2022-12-06 05:44:00,041 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 05:44:00,047 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;@3eba1043, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 05:44:00,047 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-06 05:44:00,053 INFO L130 PetriNetUnfolder]: 0/32 cut-off events. [2022-12-06 05:44:00,053 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 05:44:00,054 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:44:00,054 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:44:00,055 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 2 more)] === [2022-12-06 05:44:00,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:44:00,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1768064526, now seen corresponding path program 1 times [2022-12-06 05:44:00,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:44:00,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586293045] [2022-12-06 05:44:00,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:44:00,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:44:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:44:00,717 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 05:44:00,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:44:00,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586293045] [2022-12-06 05:44:00,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586293045] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:44:00,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:44:00,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 05:44:00,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39735944] [2022-12-06 05:44:00,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:44:00,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 05:44:00,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:44:00,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 05:44:00,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 05:44:00,746 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 33 [2022-12-06 05:44:00,748 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 33 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 05:44:00,748 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:44:00,748 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 33 [2022-12-06 05:44:00,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:44:01,073 INFO L130 PetriNetUnfolder]: 1637/2377 cut-off events. [2022-12-06 05:44:01,074 INFO L131 PetriNetUnfolder]: For 133/133 co-relation queries the response was YES. [2022-12-06 05:44:01,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4966 conditions, 2377 events. 1637/2377 cut-off events. For 133/133 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 11221 event pairs, 353 based on Foata normal form. 44/2418 useless extension candidates. Maximal degree in co-relation 4085. Up to 2159 conditions per place. [2022-12-06 05:44:01,097 INFO L137 encePairwiseOnDemand]: 30/33 looper letters, 39 selfloop transitions, 2 changer transitions 0/45 dead transitions. [2022-12-06 05:44:01,097 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 45 transitions, 202 flow [2022-12-06 05:44:01,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 05:44:01,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 05:44:01,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2022-12-06 05:44:01,108 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5454545454545454 [2022-12-06 05:44:01,109 INFO L175 Difference]: Start difference. First operand has 46 places, 33 transitions, 90 flow. Second operand 3 states and 54 transitions. [2022-12-06 05:44:01,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 45 transitions, 202 flow [2022-12-06 05:44:01,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 45 transitions, 182 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-12-06 05:44:01,119 INFO L231 Difference]: Finished difference. Result has 41 places, 33 transitions, 82 flow [2022-12-06 05:44:01,121 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=41, PETRI_TRANSITIONS=33} [2022-12-06 05:44:01,124 INFO L294 CegarLoopForPetriNet]: 46 programPoint places, -5 predicate places. [2022-12-06 05:44:01,124 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:44:01,125 INFO L89 Accepts]: Start accepts. Operand has 41 places, 33 transitions, 82 flow [2022-12-06 05:44:01,128 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:44:01,128 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:44:01,129 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 33 transitions, 82 flow [2022-12-06 05:44:01,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 33 transitions, 82 flow [2022-12-06 05:44:01,144 INFO L130 PetriNetUnfolder]: 0/33 cut-off events. [2022-12-06 05:44:01,144 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 05:44:01,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 33 events. 0/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 47 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 05:44:01,145 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 33 transitions, 82 flow [2022-12-06 05:44:01,145 INFO L188 LiptonReduction]: Number of co-enabled transitions 392 [2022-12-06 05:44:01,258 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 05:44:01,261 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 137 [2022-12-06 05:44:01,261 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 78 flow [2022-12-06 05:44:01,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 05:44:01,262 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:44:01,262 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:44:01,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 05:44:01,265 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 2 more)] === [2022-12-06 05:44:01,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:44:01,266 INFO L85 PathProgramCache]: Analyzing trace with hash 898925693, now seen corresponding path program 1 times [2022-12-06 05:44:01,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:44:01,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530163671] [2022-12-06 05:44:01,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:44:01,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:44:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:44:03,000 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 05:44:03,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:44:03,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530163671] [2022-12-06 05:44:03,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530163671] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:44:03,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:44:03,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-06 05:44:03,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348697795] [2022-12-06 05:44:03,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:44:03,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-06 05:44:03,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:44:03,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-06 05:44:03,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-12-06 05:44:03,004 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 31 [2022-12-06 05:44:03,004 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 78 flow. Second operand has 13 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 13 states have internal predecessors, (31), 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 05:44:03,004 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:44:03,004 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 31 [2022-12-06 05:44:03,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:44:04,806 INFO L130 PetriNetUnfolder]: 4519/6683 cut-off events. [2022-12-06 05:44:04,807 INFO L131 PetriNetUnfolder]: For 712/712 co-relation queries the response was YES. [2022-12-06 05:44:04,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14426 conditions, 6683 events. 4519/6683 cut-off events. For 712/712 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 34513 event pairs, 927 based on Foata normal form. 1/6684 useless extension candidates. Maximal degree in co-relation 10219. Up to 2419 conditions per place. [2022-12-06 05:44:04,840 INFO L137 encePairwiseOnDemand]: 18/31 looper letters, 182 selfloop transitions, 16 changer transitions 9/207 dead transitions. [2022-12-06 05:44:04,840 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 207 transitions, 929 flow [2022-12-06 05:44:04,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-06 05:44:04,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-12-06 05:44:04,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 208 transitions. [2022-12-06 05:44:04,843 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4792626728110599 [2022-12-06 05:44:04,844 INFO L175 Difference]: Start difference. First operand has 39 places, 31 transitions, 78 flow. Second operand 14 states and 208 transitions. [2022-12-06 05:44:04,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 207 transitions, 929 flow [2022-12-06 05:44:04,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 207 transitions, 909 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 05:44:04,848 INFO L231 Difference]: Finished difference. Result has 63 places, 47 transitions, 209 flow [2022-12-06 05:44:04,848 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=209, PETRI_PLACES=63, PETRI_TRANSITIONS=47} [2022-12-06 05:44:04,849 INFO L294 CegarLoopForPetriNet]: 46 programPoint places, 17 predicate places. [2022-12-06 05:44:04,849 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:44:04,849 INFO L89 Accepts]: Start accepts. Operand has 63 places, 47 transitions, 209 flow [2022-12-06 05:44:04,851 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:44:04,852 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:44:04,852 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 47 transitions, 209 flow [2022-12-06 05:44:04,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 47 transitions, 209 flow [2022-12-06 05:44:04,867 INFO L130 PetriNetUnfolder]: 22/187 cut-off events. [2022-12-06 05:44:04,868 INFO L131 PetriNetUnfolder]: For 89/95 co-relation queries the response was YES. [2022-12-06 05:44:04,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 187 events. 22/187 cut-off events. For 89/95 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1088 event pairs, 5 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 394. Up to 30 conditions per place. [2022-12-06 05:44:04,870 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 47 transitions, 209 flow [2022-12-06 05:44:04,870 INFO L188 LiptonReduction]: Number of co-enabled transitions 642 [2022-12-06 05:44:04,880 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [434] L113-->L119: Formula: (and (= v_~f22~0_44 1) (= (mod v_~t22~0_32 256) v_~y2~0_51)) InVars {~t22~0=v_~t22~0_32} OutVars{~t22~0=v_~t22~0_32, ~y2~0=v_~y2~0_51, ~f22~0=v_~f22~0_44} AuxVars[] AssignedVars[~y2~0, ~f22~0] and [372] L96-->L102: Formula: (and (= |v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7| |v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|) (not (= |v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_7| 0)) (= (ite (and (not (= (mod v_~f22~0_22 256) 0)) (not (= (mod v_~f12~0_21 256) 0))) 1 0) |v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7|) (= (ite (= (mod (+ v_~y2~0_9 1) 4294967296) 0) 0 1) v_~t12~0_6)) InVars {~y2~0=v_~y2~0_9, ~f12~0=v_~f12~0_21, ~f22~0=v_~f22~0_22} OutVars{thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7|, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|, ~t12~0=v_~t12~0_6, ~y2~0=v_~y2~0_9, ~f12~0=v_~f12~0_21, ~f22~0=v_~f22~0_22} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1, ~t12~0] [2022-12-06 05:44:05,145 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [415] L125-->thread4EXIT: Formula: (and (= (mod v_~t22~0_22 256) v_~x2~0_36) (= |v_thread4Thread1of1ForFork2_#res#1.base_7| 0) (= |v_thread4Thread1of1ForFork2_#res#1.offset_7| 0)) InVars {~t22~0=v_~t22~0_22} OutVars{~x2~0=v_~x2~0_36, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_7|, ~t22~0=v_~t22~0_22, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_7|} AuxVars[] AssignedVars[~x2~0, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#res#1.offset] and [468] $Ultimate##0-->L79: Formula: (and (= v_~t21~0_70 (ite (= (mod (+ v_~x1~0_102 1) 4294967296) 0) 0 1)) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_25| |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_25|) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_25| 0)) (= v_~f21~0_77 1) (= (ite (and (not (= (mod v_~f11~0_72 256) 0)) (not (= (mod v_~f21~0_77 256) 0))) 1 0) |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_25|) (= v_~y1~0_105 (mod (ite (= (mod (+ v_~y1~0_106 1) 4294967296) 0) 0 1) 256))) InVars {~y1~0=v_~y1~0_106, ~x1~0=v_~x1~0_102, ~f11~0=v_~f11~0_72} OutVars{~f21~0=v_~f21~0_77, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_25|, ~t21~0=v_~t21~0_70, ~y1~0=v_~y1~0_105, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_25|, ~x1~0=v_~x1~0_102, ~f11~0=v_~f11~0_72} AuxVars[] AssignedVars[~f21~0, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, ~t21~0, ~y1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] [2022-12-06 05:44:05,220 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [415] L125-->thread4EXIT: Formula: (and (= (mod v_~t22~0_22 256) v_~x2~0_36) (= |v_thread4Thread1of1ForFork2_#res#1.base_7| 0) (= |v_thread4Thread1of1ForFork2_#res#1.offset_7| 0)) InVars {~t22~0=v_~t22~0_22} OutVars{~x2~0=v_~x2~0_36, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_7|, ~t22~0=v_~t22~0_22, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_7|} AuxVars[] AssignedVars[~x2~0, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#res#1.offset] and [466] L50-->thread1EXIT: Formula: (and (= v_~t11~0_72 (ite (= (mod (+ v_~y1~0_102 1) 4294967296) 0) 0 1)) (= (mod v_~t11~0_72 256) v_~y1~0_101) (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (and (not (= (mod v_~f11~0_70 256) 0)) (not (= (mod v_~f21~0_75 256) 0))) 1 0)) (= |v_thread1Thread1of1ForFork1_#res#1.offset_15| 0) (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= |v_thread1Thread1of1ForFork1_#res#1.base_15| 0) (not (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0))) InVars {~f21~0=v_~f21~0_75, ~y1~0=v_~y1~0_102, ~f11~0=v_~f11~0_70} OutVars{~f21~0=v_~f21~0_75, ~t11~0=v_~t11~0_72, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, ~y1~0=v_~y1~0_101, thread1Thread1of1ForFork1_#res#1.offset=|v_thread1Thread1of1ForFork1_#res#1.offset_15|, thread1Thread1of1ForFork1_#res#1.base=|v_thread1Thread1of1ForFork1_#res#1.base_15|, ~f11~0=v_~f11~0_70, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|} AuxVars[] AssignedVars[~t11~0, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, ~y1~0, thread1Thread1of1ForFork1_#res#1.offset, thread1Thread1of1ForFork1_#res#1.base, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1] [2022-12-06 05:44:05,890 INFO L203 LiptonReduction]: Total number of compositions: 6 [2022-12-06 05:44:05,891 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1042 [2022-12-06 05:44:05,892 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 45 transitions, 225 flow [2022-12-06 05:44:05,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 13 states have internal predecessors, (31), 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 05:44:05,892 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:44:05,892 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:44:05,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 05:44:05,892 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 2 more)] === [2022-12-06 05:44:05,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:44:05,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1533473981, now seen corresponding path program 2 times [2022-12-06 05:44:05,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:44:05,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007394009] [2022-12-06 05:44:05,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:44:05,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:44:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:44:06,153 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 05:44:06,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:44:06,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007394009] [2022-12-06 05:44:06,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007394009] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:44:06,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:44:06,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 05:44:06,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953548710] [2022-12-06 05:44:06,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:44:06,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 05:44:06,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:44:06,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 05:44:06,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 05:44:06,160 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 37 [2022-12-06 05:44:06,160 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 45 transitions, 225 flow. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 05:44:06,160 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:44:06,160 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 37 [2022-12-06 05:44:06,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:44:06,507 INFO L130 PetriNetUnfolder]: 1868/2969 cut-off events. [2022-12-06 05:44:06,508 INFO L131 PetriNetUnfolder]: For 5192/5277 co-relation queries the response was YES. [2022-12-06 05:44:06,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10004 conditions, 2969 events. 1868/2969 cut-off events. For 5192/5277 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 15760 event pairs, 481 based on Foata normal form. 92/2996 useless extension candidates. Maximal degree in co-relation 9970. Up to 2494 conditions per place. [2022-12-06 05:44:06,530 INFO L137 encePairwiseOnDemand]: 33/37 looper letters, 49 selfloop transitions, 3 changer transitions 2/58 dead transitions. [2022-12-06 05:44:06,530 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 58 transitions, 386 flow [2022-12-06 05:44:06,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 05:44:06,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 05:44:06,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2022-12-06 05:44:06,532 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4864864864864865 [2022-12-06 05:44:06,532 INFO L175 Difference]: Start difference. First operand has 60 places, 45 transitions, 225 flow. Second operand 3 states and 54 transitions. [2022-12-06 05:44:06,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 58 transitions, 386 flow [2022-12-06 05:44:06,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 58 transitions, 360 flow, removed 13 selfloop flow, removed 4 redundant places. [2022-12-06 05:44:06,559 INFO L231 Difference]: Finished difference. Result has 59 places, 42 transitions, 187 flow [2022-12-06 05:44:06,559 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=187, PETRI_PLACES=59, PETRI_TRANSITIONS=42} [2022-12-06 05:44:06,560 INFO L294 CegarLoopForPetriNet]: 46 programPoint places, 13 predicate places. [2022-12-06 05:44:06,560 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:44:06,561 INFO L89 Accepts]: Start accepts. Operand has 59 places, 42 transitions, 187 flow [2022-12-06 05:44:06,562 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:44:06,562 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:44:06,562 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 42 transitions, 187 flow [2022-12-06 05:44:06,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 42 transitions, 187 flow [2022-12-06 05:44:06,575 INFO L130 PetriNetUnfolder]: 15/145 cut-off events. [2022-12-06 05:44:06,575 INFO L131 PetriNetUnfolder]: For 83/99 co-relation queries the response was YES. [2022-12-06 05:44:06,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 319 conditions, 145 events. 15/145 cut-off events. For 83/99 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 738 event pairs, 4 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 260. Up to 26 conditions per place. [2022-12-06 05:44:06,577 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 42 transitions, 187 flow [2022-12-06 05:44:06,577 INFO L188 LiptonReduction]: Number of co-enabled transitions 528 [2022-12-06 05:44:06,688 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [479] $Ultimate##0-->thread3EXIT: Formula: (and (= |v_thread3Thread1of1ForFork0_#res#1.offset_21| 0) (= |v_thread3Thread1of1ForFork0_#res#1.base_21| 0) (= v_~f22~0_94 1) (= v_~t12~0_90 (ite (= (mod (+ (mod v_~t22~0_94 256) 1) 4294967296) 0) 0 1)) (not (= |v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_29| 0)) (= v_~t22~0_94 (ite (= (mod (+ v_~y2~0_125 1) 4294967296) 0) 0 1)) (= |v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_29| |v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_29|) (= v_~y2~0_124 (mod v_~t12~0_90 256)) (= |v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_29| (ite (and (not (= (mod v_~f22~0_94 256) 0)) (not (= (mod v_~f12~0_92 256) 0))) 1 0))) InVars {~f12~0=v_~f12~0_92, ~y2~0=v_~y2~0_125} OutVars{thread3Thread1of1ForFork0_#res#1.offset=|v_thread3Thread1of1ForFork0_#res#1.offset_21|, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_29|, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_29|, ~t22~0=v_~t22~0_94, ~t12~0=v_~t12~0_90, thread3Thread1of1ForFork0_#res#1.base=|v_thread3Thread1of1ForFork0_#res#1.base_21|, ~y2~0=v_~y2~0_124, ~f12~0=v_~f12~0_92, ~f22~0=v_~f22~0_94} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res#1.offset, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1, ~t22~0, ~t12~0, thread3Thread1of1ForFork0_#res#1.base, ~y2~0, ~f22~0] and [475] L119-->thread1EXIT: Formula: (and (= |v_thread1Thread1of1ForFork1_#res#1.base_19| 0) (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_19| |v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_19|) (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_19| (ite (and (not (= (mod v_~f21~0_85 256) 0)) (not (= (mod v_~f11~0_80 256) 0))) 1 0)) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_27| (ite (and (not (= (mod v_~f12~0_88 256) 0)) (not (= (mod v_~f22~0_88 256) 0))) 1 0)) (= |v_thread4Thread1of1ForFork2_#res#1.offset_23| 0) (= (mod v_~t11~0_76 256) v_~y1~0_121) (not (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_19| 0)) (= (mod v_~t22~0_88 256) v_~x2~0_117) (= |v_thread4Thread1of1ForFork2_#res#1.base_23| 0) (= v_~t22~0_88 (ite (= (mod (+ v_~x2~0_118 1) 4294967296) 0) 0 1)) (= |v_thread1Thread1of1ForFork1_#res#1.offset_19| 0) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_27| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_27|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_27| 0)) (= v_~t11~0_76 (ite (= (mod (+ v_~y1~0_122 1) 4294967296) 0) 0 1))) InVars {~f21~0=v_~f21~0_85, ~x2~0=v_~x2~0_118, ~y1~0=v_~y1~0_122, ~f12~0=v_~f12~0_88, ~f11~0=v_~f11~0_80, ~f22~0=v_~f22~0_88} OutVars{~x2~0=v_~x2~0_117, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_27|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_23|, ~t22~0=v_~t22~0_88, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_27|, ~f12~0=v_~f12~0_88, ~f11~0=v_~f11~0_80, ~f21~0=v_~f21~0_85, ~t11~0=v_~t11~0_76, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_19|, ~y1~0=v_~y1~0_121, thread1Thread1of1ForFork1_#res#1.offset=|v_thread1Thread1of1ForFork1_#res#1.offset_19|, thread1Thread1of1ForFork1_#res#1.base=|v_thread1Thread1of1ForFork1_#res#1.base_19|, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_23|, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_19|, ~f22~0=v_~f22~0_88} AuxVars[] AssignedVars[~x2~0, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, ~t11~0, ~t22~0, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, ~y1~0, thread1Thread1of1ForFork1_#res#1.offset, thread1Thread1of1ForFork1_#res#1.base, thread4Thread1of1ForFork2_#res#1.offset, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1] [2022-12-06 05:44:07,217 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 05:44:07,219 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 659 [2022-12-06 05:44:07,219 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 41 transitions, 192 flow [2022-12-06 05:44:07,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 05:44:07,219 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:44:07,219 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:44:07,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 05:44:07,220 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 2 more)] === [2022-12-06 05:44:07,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:44:07,220 INFO L85 PathProgramCache]: Analyzing trace with hash 768807342, now seen corresponding path program 1 times [2022-12-06 05:44:07,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:44:07,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013200127] [2022-12-06 05:44:07,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:44:07,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:44:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:44:08,494 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 05:44:08,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:44:08,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013200127] [2022-12-06 05:44:08,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013200127] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:44:08,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:44:08,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 05:44:08,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941983797] [2022-12-06 05:44:08,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:44:08,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 05:44:08,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:44:08,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 05:44:08,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-06 05:44:08,496 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 34 [2022-12-06 05:44:08,496 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 41 transitions, 192 flow. Second operand has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:44:08,497 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:44:08,497 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 34 [2022-12-06 05:44:08,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:44:09,465 INFO L130 PetriNetUnfolder]: 3775/5713 cut-off events. [2022-12-06 05:44:09,466 INFO L131 PetriNetUnfolder]: For 9022/9022 co-relation queries the response was YES. [2022-12-06 05:44:09,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19085 conditions, 5713 events. 3775/5713 cut-off events. For 9022/9022 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 30739 event pairs, 589 based on Foata normal form. 1/5714 useless extension candidates. Maximal degree in co-relation 11925. Up to 2168 conditions per place. [2022-12-06 05:44:09,520 INFO L137 encePairwiseOnDemand]: 24/34 looper letters, 102 selfloop transitions, 12 changer transitions 10/124 dead transitions. [2022-12-06 05:44:09,520 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 124 transitions, 801 flow [2022-12-06 05:44:09,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 05:44:09,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 05:44:09,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 114 transitions. [2022-12-06 05:44:09,522 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4789915966386555 [2022-12-06 05:44:09,522 INFO L175 Difference]: Start difference. First operand has 57 places, 41 transitions, 192 flow. Second operand 7 states and 114 transitions. [2022-12-06 05:44:09,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 124 transitions, 801 flow [2022-12-06 05:44:09,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 124 transitions, 756 flow, removed 10 selfloop flow, removed 4 redundant places. [2022-12-06 05:44:09,580 INFO L231 Difference]: Finished difference. Result has 63 places, 50 transitions, 299 flow [2022-12-06 05:44:09,581 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=299, PETRI_PLACES=63, PETRI_TRANSITIONS=50} [2022-12-06 05:44:09,582 INFO L294 CegarLoopForPetriNet]: 46 programPoint places, 17 predicate places. [2022-12-06 05:44:09,582 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:44:09,582 INFO L89 Accepts]: Start accepts. Operand has 63 places, 50 transitions, 299 flow [2022-12-06 05:44:09,584 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:44:09,585 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:44:09,585 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 50 transitions, 299 flow [2022-12-06 05:44:09,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 50 transitions, 299 flow [2022-12-06 05:44:09,619 INFO L130 PetriNetUnfolder]: 42/298 cut-off events. [2022-12-06 05:44:09,619 INFO L131 PetriNetUnfolder]: For 380/407 co-relation queries the response was YES. [2022-12-06 05:44:09,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 827 conditions, 298 events. 42/298 cut-off events. For 380/407 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2038 event pairs, 6 based on Foata normal form. 3/279 useless extension candidates. Maximal degree in co-relation 794. Up to 58 conditions per place. [2022-12-06 05:44:09,625 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 50 transitions, 299 flow [2022-12-06 05:44:09,627 INFO L188 LiptonReduction]: Number of co-enabled transitions 628 [2022-12-06 05:44:09,656 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [419] L90-->L96: Formula: (and (= (mod v_~t12~0_30 256) v_~x2~0_43) (= v_~f12~0_40 1)) InVars {~t12~0=v_~t12~0_30} OutVars{~x2~0=v_~x2~0_43, ~t12~0=v_~t12~0_30, ~f12~0=v_~f12~0_40} AuxVars[] AssignedVars[~x2~0, ~f12~0] and [480] $Ultimate##0-->thread1EXIT: Formula: (let ((.cse0 (ite (and (not (= (mod v_~f12~0_94 256) 0)) (not (= (mod v_~f22~0_96 256) 0))) 1 0))) (and (= |v_thread1Thread1of1ForFork1_#res#1.base_21| 0) (= v_~t11~0_78 (ite (= (mod (+ v_~y1~0_130 1) 4294967296) 0) 0 1)) (= |v_thread4Thread1of1ForFork2_#res#1.offset_27| 0) (= (ite (= (mod (+ v_~x2~0_126 1) 4294967296) 0) 0 1) v_~t22~0_96) (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_21| (ite (and (not (= (mod v_~f11~0_86 256) 0)) (not (= (mod v_~f21~0_91 256) 0))) 1 0)) (= v_~x2~0_125 (mod v_~t22~0_96 256)) (= |v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_31| .cse0) (= |v_thread4Thread1of1ForFork2_#res#1.base_27| 0) (= v_~y2~0_128 (mod v_~t12~0_92 256)) (= v_~f22~0_96 1) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_31| .cse0) (= (mod v_~t11~0_78 256) v_~y1~0_129) (not (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_21| 0)) (= |v_thread3Thread1of1ForFork0_#res#1.offset_23| 0) (= |v_thread3Thread1of1ForFork0_#res#1.base_23| 0) (= |v_thread1Thread1of1ForFork1_#res#1.offset_21| 0) (= v_~t12~0_92 (ite (= (mod (+ (mod (ite (= 0 (mod (+ v_~y2~0_129 1) 4294967296)) 0 1) 256) 1) 4294967296) 0) 0 1)) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_31| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_31|) (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_21| |v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_21|) (not (= |v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_31| 0)) (= |v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_31| |v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_31|))) InVars {~f21~0=v_~f21~0_91, ~x2~0=v_~x2~0_126, ~y1~0=v_~y1~0_130, ~f12~0=v_~f12~0_94, ~y2~0=v_~y2~0_129, ~f11~0=v_~f11~0_86} OutVars{~x2~0=v_~x2~0_125, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_31|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_27|, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_31|, ~t22~0=v_~t22~0_96, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_31|, thread3Thread1of1ForFork0_#res#1.base=|v_thread3Thread1of1ForFork0_#res#1.base_23|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_31|, ~f12~0=v_~f12~0_94, ~f11~0=v_~f11~0_86, ~f21~0=v_~f21~0_91, thread3Thread1of1ForFork0_#res#1.offset=|v_thread3Thread1of1ForFork0_#res#1.offset_23|, ~t11~0=v_~t11~0_78, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_21|, ~t12~0=v_~t12~0_92, ~y1~0=v_~y1~0_129, thread1Thread1of1ForFork1_#res#1.offset=|v_thread1Thread1of1ForFork1_#res#1.offset_21|, thread1Thread1of1ForFork1_#res#1.base=|v_thread1Thread1of1ForFork1_#res#1.base_21|, ~y2~0=v_~y2~0_128, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_27|, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_21|, ~f22~0=v_~f22~0_96} AuxVars[] AssignedVars[~x2~0, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, ~t22~0, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread3Thread1of1ForFork0_#res#1.base, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork0_#res#1.offset, ~t11~0, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, ~t12~0, ~y1~0, thread1Thread1of1ForFork1_#res#1.offset, thread1Thread1of1ForFork1_#res#1.base, ~y2~0, thread4Thread1of1ForFork2_#res#1.offset, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1, ~f22~0] [2022-12-06 05:44:10,187 ERROR L799 SequenceRule]: Run adaptation not supported for post-scripts [2022-12-06 05:44:10,189 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 05:44:10,190 ERROR L123 eatedLiptonReduction]: Lipton reduction run adaptation of counterexample failed. [2022-12-06 05:44:10,190 INFO L89 Accepts]: Start accepts. Operand has 63 places, 48 transitions, 286 flow [2022-12-06 05:44:10,191 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:44:10,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 05:44:10,192 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word is no longer accepted by reduced abstraction! at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.refineAbstraction(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-06 05:44:10,195 INFO L158 Benchmark]: Toolchain (without parser) took 15932.11ms. Allocated memory was 197.1MB in the beginning and 454.0MB in the end (delta: 256.9MB). Free memory was 172.8MB in the beginning and 339.6MB in the end (delta: -166.8MB). Peak memory consumption was 91.6MB. Max. memory is 8.0GB. [2022-12-06 05:44:10,195 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 197.1MB. Free memory was 174.2MB in the beginning and 174.1MB in the end (delta: 68.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 05:44:10,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.87ms. Allocated memory is still 197.1MB. Free memory was 172.8MB in the beginning and 156.2MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-12-06 05:44:10,196 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.23ms. Allocated memory is still 197.1MB. Free memory was 156.2MB in the beginning and 154.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 05:44:10,196 INFO L158 Benchmark]: Boogie Preprocessor took 21.38ms. Allocated memory is still 197.1MB. Free memory was 154.1MB in the beginning and 152.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 05:44:10,196 INFO L158 Benchmark]: RCFGBuilder took 587.10ms. Allocated memory is still 197.1MB. Free memory was 152.4MB in the beginning and 133.0MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-06 05:44:10,196 INFO L158 Benchmark]: TraceAbstraction took 14948.80ms. Allocated memory was 197.1MB in the beginning and 454.0MB in the end (delta: 256.9MB). Free memory was 132.0MB in the beginning and 339.6MB in the end (delta: -207.5MB). Peak memory consumption was 50.8MB. Max. memory is 8.0GB. [2022-12-06 05:44:10,198 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 197.1MB. Free memory was 174.2MB in the beginning and 174.1MB in the end (delta: 68.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 321.87ms. Allocated memory is still 197.1MB. Free memory was 172.8MB in the beginning and 156.2MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.23ms. Allocated memory is still 197.1MB. Free memory was 156.2MB in the beginning and 154.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.38ms. Allocated memory is still 197.1MB. Free memory was 154.1MB in the beginning and 152.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 587.10ms. Allocated memory is still 197.1MB. Free memory was 152.4MB in the beginning and 133.0MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 14948.80ms. Allocated memory was 197.1MB in the beginning and 454.0MB in the end (delta: 256.9MB). Free memory was 132.0MB in the beginning and 339.6MB in the end (delta: -207.5MB). Peak memory consumption was 50.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.4s, 126 PlacesBefore, 46 PlacesAfterwards, 115 TransitionsBefore, 33 TransitionsAfterwards, 1824 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 47 TrivialYvCompositions, 33 ConcurrentYvCompositions, 2 ChoiceCompositions, 82 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1232, independent: 1175, independent conditional: 1175, independent unconditional: 0, dependent: 57, dependent conditional: 57, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1232, independent: 1175, independent conditional: 0, independent unconditional: 1175, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1232, independent: 1175, independent conditional: 0, independent unconditional: 1175, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1232, independent: 1175, independent conditional: 0, independent unconditional: 1175, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1068, independent: 1032, independent conditional: 0, independent unconditional: 1032, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1068, independent: 1024, independent conditional: 0, independent unconditional: 1024, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 93, dependent conditional: 0, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1232, independent: 143, independent conditional: 0, independent unconditional: 143, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 1068, unknown conditional: 0, unknown unconditional: 1068] , Statistics on independence cache: Total cache size (in pairs): 1411, Positive cache size: 1375, Positive conditional cache size: 0, Positive unconditional cache size: 1375, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, 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, 41 PlacesBefore, 39 PlacesAfterwards, 33 TransitionsBefore, 31 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 338, independent: 302, independent conditional: 302, independent unconditional: 0, dependent: 36, dependent conditional: 36, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 338, independent: 302, independent conditional: 30, independent unconditional: 272, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 338, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 338, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 173, independent: 164, independent conditional: 0, independent unconditional: 164, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 173, independent: 164, independent conditional: 0, independent unconditional: 164, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 338, independent: 138, independent conditional: 0, independent unconditional: 138, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 173, unknown conditional: 0, unknown unconditional: 173] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 178, Positive conditional cache size: 0, Positive unconditional cache size: 178, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 30, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.0s, 62 PlacesBefore, 60 PlacesAfterwards, 47 TransitionsBefore, 45 TransitionsAfterwards, 642 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 194, independent: 180, independent conditional: 180, independent unconditional: 0, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 194, independent: 180, independent conditional: 138, independent unconditional: 42, dependent: 14, dependent conditional: 3, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 194, independent: 180, independent conditional: 116, independent unconditional: 64, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 194, independent: 180, independent conditional: 116, independent unconditional: 64, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 67, independent: 66, independent conditional: 48, independent unconditional: 18, 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: 67, independent: 66, independent conditional: 0, independent unconditional: 66, 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: 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] ], Cache Queries: [ total: 194, independent: 114, independent conditional: 68, independent unconditional: 46, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 67, unknown conditional: 48, unknown unconditional: 19] , Statistics on independence cache: Total cache size (in pairs): 355, Positive cache size: 345, Positive conditional cache size: 51, Positive unconditional cache size: 294, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 25, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.6s, 58 PlacesBefore, 57 PlacesAfterwards, 42 TransitionsBefore, 41 TransitionsAfterwards, 528 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 139, independent: 127, independent conditional: 127, independent unconditional: 0, dependent: 12, dependent conditional: 12, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 139, independent: 127, independent conditional: 17, independent unconditional: 110, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 139, independent: 127, independent conditional: 4, independent unconditional: 123, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 139, independent: 127, independent conditional: 4, independent unconditional: 123, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, independent: 11, independent conditional: 0, independent unconditional: 11, 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: 11, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 139, independent: 116, independent conditional: 4, independent unconditional: 112, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 390, Positive cache size: 380, Positive conditional cache size: 51, Positive unconditional cache size: 329, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.6s, 62 PlacesBefore, 63 PlacesAfterwards, 50 TransitionsBefore, 48 TransitionsAfterwards, 628 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 242, independent: 227, independent conditional: 227, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 242, independent: 227, independent conditional: 91, independent unconditional: 136, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 244, independent: 227, independent conditional: 41, independent unconditional: 186, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 244, independent: 227, independent conditional: 41, independent unconditional: 186, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 29, independent: 29, independent conditional: 14, independent unconditional: 15, 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: 29, independent: 29, independent conditional: 0, independent unconditional: 29, 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: 244, independent: 198, independent conditional: 27, independent unconditional: 171, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 29, unknown conditional: 14, unknown unconditional: 15] , Statistics on independence cache: Total cache size (in pairs): 419, Positive cache size: 409, Positive conditional cache size: 65, Positive unconditional cache size: 344, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 54, Maximal queried relation: 1 - ExceptionOrErrorResult: AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word is no longer accepted by reduced abstraction! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word is no longer accepted by reduced abstraction!: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:132) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-06 05:44:10,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...