/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_DEAD -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 06:30:10,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 06:30:10,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 06:30:10,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 06:30:10,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 06:30:10,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 06:30:10,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 06:30:10,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 06:30:10,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 06:30:10,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 06:30:10,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 06:30:10,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 06:30:10,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 06:30:10,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 06:30:10,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 06:30:10,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 06:30:10,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 06:30:10,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 06:30:10,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 06:30:10,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 06:30:10,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 06:30:10,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 06:30:10,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 06:30:10,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 06:30:10,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 06:30:10,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 06:30:10,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 06:30:10,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 06:30:10,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 06:30:10,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 06:30:10,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 06:30:10,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 06:30:10,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 06:30:10,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 06:30:10,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 06:30:10,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 06:30:10,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 06:30:10,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 06:30:10,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 06:30:10,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 06:30:10,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 06:30:10,745 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2022-12-13 06:30:10,772 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 06:30:10,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 06:30:10,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 06:30:10,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 06:30:10,774 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 06:30:10,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 06:30:10,775 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 06:30:10,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 06:30:10,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 06:30:10,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 06:30:10,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 06:30:10,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 06:30:10,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 06:30:10,777 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 06:30:10,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 06:30:10,777 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 06:30:10,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 06:30:10,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 06:30:10,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 06:30:10,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 06:30:10,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 06:30:10,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 06:30:10,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 06:30:10,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 06:30:10,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 06:30:10,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 06:30:10,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 06:30:10,778 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 06:30:10,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_DEAD [2022-12-13 06:30:11,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 06:30:11,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 06:30:11,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 06:30:11,097 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 06:30:11,098 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 06:30:11,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-12-13 06:30:12,121 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 06:30:12,566 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 06:30:12,567 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-12-13 06:30:12,601 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/342de208b/fa37a3ddb20d49e7bdae1cabfad7c2c5/FLAG65cef6991 [2022-12-13 06:30:12,620 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/342de208b/fa37a3ddb20d49e7bdae1cabfad7c2c5 [2022-12-13 06:30:12,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 06:30:12,623 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 06:30:12,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 06:30:12,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 06:30:12,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 06:30:12,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:30:12" (1/1) ... [2022-12-13 06:30:12,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eff32be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:30:12, skipping insertion in model container [2022-12-13 06:30:12,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:30:12" (1/1) ... [2022-12-13 06:30:12,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 06:30:12,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 06:30:12,998 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2022-12-13 06:30:13,412 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:13,413 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:13,420 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:13,422 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:13,429 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:13,429 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:13,588 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:13,589 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:13,596 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:13,596 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:13,603 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:13,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:13,610 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:13,610 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:13,616 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:13,616 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:13,621 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:13,622 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:13,628 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:13,628 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:13,634 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:13,635 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:14,111 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-13 06:30:14,115 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 06:30:14,119 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 06:30:14,130 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 06:30:14,273 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 06:30:14,280 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 06:30:14,428 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-13 06:30:14,777 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 06:30:14,788 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 06:30:14,882 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-13 06:30:14,888 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-13 06:30:15,277 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-13 06:30:15,280 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-13 06:30:15,285 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-13 06:30:15,408 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-13 06:30:15,408 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 06:30:15,412 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-13 06:30:15,412 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 06:30:15,625 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-13 06:30:15,663 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-13 06:30:15,851 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-13 06:30:15,854 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 06:30:16,022 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 06:30:16,271 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-13 06:30:16,272 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-13 06:30:16,272 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-13 06:30:17,542 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-13 06:30:17,543 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 06:30:17,545 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 06:30:17,549 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 06:30:17,551 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 06:30:18,051 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-13 06:30:18,058 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-13 06:30:18,067 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-13 06:30:18,081 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 06:30:18,082 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-13 06:30:18,088 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 06:30:18,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 06:30:18,232 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 06:30:18,241 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2022-12-13 06:30:18,257 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:18,258 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:18,258 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:18,258 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:18,258 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:18,259 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:18,260 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:18,261 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:18,261 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:18,261 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:18,261 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:18,261 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:18,262 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:18,262 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:18,262 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:18,262 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:18,262 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:18,262 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:18,262 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:18,263 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:18,263 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:30:18,267 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:30:18,278 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-13 06:30:18,279 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 06:30:18,279 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 06:30:18,280 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 06:30:18,283 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 06:30:18,286 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 06:30:18,289 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-13 06:30:18,299 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 06:30:18,300 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 06:30:18,302 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-13 06:30:18,302 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-13 06:30:18,308 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-13 06:30:18,309 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-13 06:30:18,309 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-13 06:30:18,312 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-13 06:30:18,313 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 06:30:18,313 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-13 06:30:18,313 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 06:30:18,322 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-13 06:30:18,330 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-13 06:30:18,334 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-13 06:30:18,335 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 06:30:18,338 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 06:30:18,342 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-13 06:30:18,342 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-13 06:30:18,342 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-13 06:30:18,405 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-13 06:30:18,406 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 06:30:18,407 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 06:30:18,415 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 06:30:18,419 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 06:30:18,453 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-13 06:30:18,455 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-13 06:30:18,455 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-13 06:30:18,457 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 06:30:18,457 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-13 06:30:18,457 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 06:30:18,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 06:30:18,800 INFO L208 MainTranslator]: Completed translation [2022-12-13 06:30:18,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:30:18 WrapperNode [2022-12-13 06:30:18,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 06:30:18,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 06:30:18,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 06:30:18,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 06:30:18,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:30:18" (1/1) ... [2022-12-13 06:30:18,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:30:18" (1/1) ... [2022-12-13 06:30:18,917 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 15, statements flattened = 314 [2022-12-13 06:30:18,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 06:30:18,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 06:30:18,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 06:30:18,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 06:30:18,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:30:18" (1/1) ... [2022-12-13 06:30:18,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:30:18" (1/1) ... [2022-12-13 06:30:18,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:30:18" (1/1) ... [2022-12-13 06:30:18,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:30:18" (1/1) ... [2022-12-13 06:30:18,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:30:18" (1/1) ... [2022-12-13 06:30:18,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:30:18" (1/1) ... [2022-12-13 06:30:18,961 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:30:18" (1/1) ... [2022-12-13 06:30:18,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:30:18" (1/1) ... [2022-12-13 06:30:18,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 06:30:18,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 06:30:18,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 06:30:18,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 06:30:18,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:30:18" (1/1) ... [2022-12-13 06:30:18,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 06:30:18,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 06:30:19,001 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) [2022-12-13 06:30:19,020 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 [2022-12-13 06:30:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 06:30:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 06:30:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 06:30:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 06:30:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 06:30:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 06:30:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 06:30:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 06:30:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2022-12-13 06:30:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2022-12-13 06:30:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 06:30:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 06:30:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 06:30:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_llseek [2022-12-13 06:30:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_llseek [2022-12-13 06:30:19,049 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 06:30:19,419 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 06:30:19,420 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 06:30:19,737 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 06:30:19,750 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 06:30:19,750 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 06:30:19,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:30:19 BoogieIcfgContainer [2022-12-13 06:30:19,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 06:30:19,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 06:30:19,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 06:30:19,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 06:30:19,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:30:12" (1/3) ... [2022-12-13 06:30:19,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c75f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:30:19, skipping insertion in model container [2022-12-13 06:30:19,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:30:18" (2/3) ... [2022-12-13 06:30:19,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c75f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:30:19, skipping insertion in model container [2022-12-13 06:30:19,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:30:19" (3/3) ... [2022-12-13 06:30:19,758 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_llseek_read_nvram.i [2022-12-13 06:30:19,770 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 06:30:19,771 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 06:30:19,771 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 06:30:19,878 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 06:30:19,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 331 places, 339 transitions, 694 flow [2022-12-13 06:30:20,032 INFO L130 PetriNetUnfolder]: 15/337 cut-off events. [2022-12-13 06:30:20,033 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 06:30:20,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 346 conditions, 337 events. 15/337 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 341 event pairs, 0 based on Foata normal form. 0/320 useless extension candidates. Maximal degree in co-relation 275. Up to 5 conditions per place. [2022-12-13 06:30:20,041 INFO L82 GeneralOperation]: Start removeDead. Operand has 331 places, 339 transitions, 694 flow [2022-12-13 06:30:20,050 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 321 places, 329 transitions, 667 flow [2022-12-13 06:30:20,052 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:30:20,075 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 321 places, 329 transitions, 667 flow [2022-12-13 06:30:20,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 321 places, 329 transitions, 667 flow [2022-12-13 06:30:20,134 INFO L130 PetriNetUnfolder]: 15/329 cut-off events. [2022-12-13 06:30:20,134 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 06:30:20,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 329 events. 15/329 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 320 event pairs, 0 based on Foata normal form. 0/312 useless extension candidates. Maximal degree in co-relation 275. Up to 5 conditions per place. [2022-12-13 06:30:20,147 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 321 places, 329 transitions, 667 flow [2022-12-13 06:30:20,147 INFO L226 LiptonReduction]: Number of co-enabled transitions 10796 [2022-12-13 06:31:10,054 WARN L233 SmtUtils]: Spent 7.82s on a formula simplification that was a NOOP. DAG size: 299 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 06:31:18,488 WARN L233 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 299 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 06:31:25,139 WARN L233 SmtUtils]: Spent 6.63s on a formula simplification that was a NOOP. DAG size: 299 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 06:31:31,700 WARN L233 SmtUtils]: Spent 6.56s on a formula simplification that was a NOOP. DAG size: 299 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 06:31:40,123 WARN L233 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 350 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 06:31:47,984 WARN L233 SmtUtils]: Spent 7.86s on a formula simplification that was a NOOP. DAG size: 338 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 06:31:55,782 WARN L233 SmtUtils]: Spent 7.80s on a formula simplification that was a NOOP. DAG size: 350 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 06:32:05,345 WARN L233 SmtUtils]: Spent 9.56s on a formula simplification that was a NOOP. DAG size: 338 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 06:32:23,450 WARN L233 SmtUtils]: Spent 17.98s on a formula simplification that was a NOOP. DAG size: 407 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 06:32:36,955 WARN L233 SmtUtils]: Spent 13.50s on a formula simplification that was a NOOP. DAG size: 398 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 06:32:47,586 WARN L233 SmtUtils]: Spent 10.63s on a formula simplification that was a NOOP. DAG size: 407 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 06:32:55,810 WARN L233 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 398 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 06:33:17,144 WARN L233 SmtUtils]: Spent 19.32s on a formula simplification that was a NOOP. DAG size: 436 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 06:33:35,895 WARN L233 SmtUtils]: Spent 18.75s on a formula simplification that was a NOOP. DAG size: 436 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 06:33:45,945 WARN L233 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 436 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 06:33:56,635 WARN L233 SmtUtils]: Spent 10.69s on a formula simplification that was a NOOP. DAG size: 436 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 06:35:59,035 WARN L233 SmtUtils]: Spent 1.96m on a formula simplification. DAG size of input: 522 DAG size of output: 515 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 06:36:44,852 WARN L233 SmtUtils]: Spent 45.81s on a formula simplification that was a NOOP. DAG size: 501 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 06:38:17,584 WARN L233 SmtUtils]: Spent 1.55m on a formula simplification. DAG size of input: 534 DAG size of output: 525 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 06:38:46,772 WARN L233 SmtUtils]: Spent 29.18s on a formula simplification that was a NOOP. DAG size: 510 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 06:38:46,779 INFO L241 LiptonReduction]: Total number of compositions: 309 [2022-12-13 06:38:46,789 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 06:38:46,791 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;@2f7c53c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 06:38:46,791 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-13 06:38:46,807 INFO L130 PetriNetUnfolder]: 3/126 cut-off events. [2022-12-13 06:38:46,807 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 06:38:46,807 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:38:46,808 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 06:38:46,808 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 06:38:46,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:38:46,811 INFO L85 PathProgramCache]: Analyzing trace with hash 104468126, now seen corresponding path program 1 times [2022-12-13 06:38:46,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:38:46,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592689085] [2022-12-13 06:38:46,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:38:46,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:38:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:38:47,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:38:47,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:38:47,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592689085] [2022-12-13 06:38:47,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592689085] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:38:47,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:38:47,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 06:38:47,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772089940] [2022-12-13 06:38:47,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:38:47,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 06:38:47,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:38:47,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 06:38:47,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 06:38:47,477 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 146 [2022-12-13 06:38:47,478 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 146 transitions, 301 flow. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-12-13 06:38:47,478 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:38:47,478 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 146 [2022-12-13 06:38:47,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:38:50,272 INFO L130 PetriNetUnfolder]: 20417/32658 cut-off events. [2022-12-13 06:38:50,272 INFO L131 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2022-12-13 06:38:50,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65252 conditions, 32658 events. 20417/32658 cut-off events. For 192/192 co-relation queries the response was YES. Maximal size of possible extension queue 3121. Compared 267398 event pairs, 15610 based on Foata normal form. 0/6741 useless extension candidates. Maximal degree in co-relation 64400. Up to 27667 conditions per place. [2022-12-13 06:38:50,336 INFO L137 encePairwiseOnDemand]: 136/146 looper letters, 148 selfloop transitions, 6 changer transitions 47/208 dead transitions. [2022-12-13 06:38:50,336 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 208 transitions, 833 flow [2022-12-13 06:38:50,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:38:50,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 06:38:50,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2022-12-13 06:38:50,346 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5182648401826484 [2022-12-13 06:38:50,348 INFO L295 CegarLoopForPetriNet]: 146 programPoint places, 0 predicate places. [2022-12-13 06:38:50,348 INFO L82 GeneralOperation]: Start removeDead. Operand has 146 places, 208 transitions, 833 flow [2022-12-13 06:38:50,375 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 143 places, 161 transitions, 645 flow [2022-12-13 06:38:50,476 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:38:50,477 INFO L89 Accepts]: Start accepts. Operand has 143 places, 161 transitions, 645 flow [2022-12-13 06:38:50,481 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:38:50,481 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:38:50,482 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 161 transitions, 645 flow [2022-12-13 06:38:50,491 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 161 transitions, 645 flow [2022-12-13 06:38:50,491 INFO L226 LiptonReduction]: Number of co-enabled transitions 1176 [2022-12-13 06:38:50,506 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:38:50,508 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 32 [2022-12-13 06:38:50,508 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 161 transitions, 645 flow [2022-12-13 06:38:50,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-12-13 06:38:50,508 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:38:50,509 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:38:50,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 06:38:50,509 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 06:38:50,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:38:50,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1116766488, now seen corresponding path program 1 times [2022-12-13 06:38:50,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:38:50,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673978485] [2022-12-13 06:38:50,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:38:50,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:38:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:38:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:38:50,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:38:50,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673978485] [2022-12-13 06:38:50,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673978485] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:38:50,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:38:50,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 06:38:50,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636346730] [2022-12-13 06:38:50,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:38:50,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 06:38:50,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:38:50,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 06:38:50,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 06:38:50,884 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 141 [2022-12-13 06:38:50,885 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 161 transitions, 645 flow. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 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) [2022-12-13 06:38:50,885 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:38:50,885 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 141 [2022-12-13 06:38:50,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:38:53,723 INFO L130 PetriNetUnfolder]: 19325/33068 cut-off events. [2022-12-13 06:38:53,724 INFO L131 PetriNetUnfolder]: For 249/249 co-relation queries the response was YES. [2022-12-13 06:38:53,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97734 conditions, 33068 events. 19325/33068 cut-off events. For 249/249 co-relation queries the response was YES. Maximal size of possible extension queue 3305. Compared 298405 event pairs, 11412 based on Foata normal form. 23/8073 useless extension candidates. Maximal degree in co-relation 96652. Up to 28822 conditions per place. [2022-12-13 06:38:53,774 INFO L137 encePairwiseOnDemand]: 137/141 looper letters, 79 selfloop transitions, 3 changer transitions 165/254 dead transitions. [2022-12-13 06:38:53,775 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 254 transitions, 1515 flow [2022-12-13 06:38:53,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:38:53,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 06:38:53,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2022-12-13 06:38:53,776 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5791962174940898 [2022-12-13 06:38:53,777 INFO L295 CegarLoopForPetriNet]: 146 programPoint places, -2 predicate places. [2022-12-13 06:38:53,777 INFO L82 GeneralOperation]: Start removeDead. Operand has 144 places, 254 transitions, 1515 flow [2022-12-13 06:38:53,802 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 89 transitions, 518 flow [2022-12-13 06:38:53,916 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:38:53,917 INFO L89 Accepts]: Start accepts. Operand has 80 places, 89 transitions, 518 flow [2022-12-13 06:38:53,917 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:38:53,917 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:38:53,917 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 89 transitions, 518 flow [2022-12-13 06:38:53,919 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 89 transitions, 518 flow [2022-12-13 06:38:53,919 INFO L226 LiptonReduction]: Number of co-enabled transitions 600 [2022-12-13 06:38:53,932 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:38:53,933 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 17 [2022-12-13 06:38:53,933 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 89 transitions, 518 flow [2022-12-13 06:38:53,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 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) [2022-12-13 06:38:53,933 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:38:53,933 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:38:53,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 06:38:53,933 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 06:38:53,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:38:53,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1056458154, now seen corresponding path program 1 times [2022-12-13 06:38:53,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:38:53,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468636271] [2022-12-13 06:38:53,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:38:53,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:38:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:38:54,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:38:54,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:38:54,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468636271] [2022-12-13 06:38:54,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468636271] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:38:54,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:38:54,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 06:38:54,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962221113] [2022-12-13 06:38:54,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:38:54,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 06:38:54,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:38:54,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 06:38:54,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 06:38:54,558 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 74 [2022-12-13 06:38:54,558 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 89 transitions, 518 flow. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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) [2022-12-13 06:38:54,558 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:38:54,558 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 74 [2022-12-13 06:38:54,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:38:55,511 INFO L130 PetriNetUnfolder]: 2900/6836 cut-off events. [2022-12-13 06:38:55,511 INFO L131 PetriNetUnfolder]: For 56/56 co-relation queries the response was YES. [2022-12-13 06:38:55,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26627 conditions, 6836 events. 2900/6836 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 1215. Compared 70421 event pairs, 831 based on Foata normal form. 91/2757 useless extension candidates. Maximal degree in co-relation 26073. Up to 5121 conditions per place. [2022-12-13 06:38:55,524 INFO L137 encePairwiseOnDemand]: 69/74 looper letters, 59 selfloop transitions, 7 changer transitions 98/171 dead transitions. [2022-12-13 06:38:55,525 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 171 transitions, 1344 flow [2022-12-13 06:38:55,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 06:38:55,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 06:38:55,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 183 transitions. [2022-12-13 06:38:55,526 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.4945945945945946 [2022-12-13 06:38:55,526 INFO L295 CegarLoopForPetriNet]: 146 programPoint places, -62 predicate places. [2022-12-13 06:38:55,526 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 171 transitions, 1344 flow [2022-12-13 06:38:55,534 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 73 transitions, 560 flow [2022-12-13 06:38:55,555 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:38:55,555 INFO L89 Accepts]: Start accepts. Operand has 62 places, 73 transitions, 560 flow [2022-12-13 06:38:55,556 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:38:55,556 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:38:55,556 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 73 transitions, 560 flow [2022-12-13 06:38:55,558 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 73 transitions, 560 flow [2022-12-13 06:38:55,558 INFO L226 LiptonReduction]: Number of co-enabled transitions 364 [2022-12-13 06:38:55,562 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:38:55,566 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 11 [2022-12-13 06:38:55,566 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 73 transitions, 560 flow [2022-12-13 06:38:55,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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) [2022-12-13 06:38:55,566 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:38:55,566 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:38:55,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 06:38:55,567 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 06:38:55,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:38:55,567 INFO L85 PathProgramCache]: Analyzing trace with hash -533111547, now seen corresponding path program 1 times [2022-12-13 06:38:55,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:38:55,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619443394] [2022-12-13 06:38:55,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:38:55,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:38:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:38:58,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:38:58,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:38:58,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619443394] [2022-12-13 06:38:58,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619443394] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:38:58,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:38:58,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 06:38:58,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737918084] [2022-12-13 06:38:58,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:38:58,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 06:38:58,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:38:58,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 06:38:58,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 06:38:58,851 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 48 [2022-12-13 06:38:58,852 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 73 transitions, 560 flow. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2022-12-13 06:38:58,852 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:38:58,852 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 48 [2022-12-13 06:38:58,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:38:59,593 INFO L130 PetriNetUnfolder]: 2149/5234 cut-off events. [2022-12-13 06:38:59,594 INFO L131 PetriNetUnfolder]: For 53/53 co-relation queries the response was YES. [2022-12-13 06:38:59,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25276 conditions, 5234 events. 2149/5234 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 849. Compared 52340 event pairs, 112 based on Foata normal form. 45/2326 useless extension candidates. Maximal degree in co-relation 24504. Up to 2673 conditions per place. [2022-12-13 06:38:59,605 INFO L137 encePairwiseOnDemand]: 41/48 looper letters, 91 selfloop transitions, 13 changer transitions 45/156 dead transitions. [2022-12-13 06:38:59,605 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 156 transitions, 1528 flow [2022-12-13 06:38:59,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 06:38:59,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-13 06:38:59,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 176 transitions. [2022-12-13 06:38:59,606 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.4583333333333333 [2022-12-13 06:38:59,607 INFO L295 CegarLoopForPetriNet]: 146 programPoint places, -77 predicate places. [2022-12-13 06:38:59,607 INFO L82 GeneralOperation]: Start removeDead. Operand has 69 places, 156 transitions, 1528 flow [2022-12-13 06:38:59,615 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 111 transitions, 1075 flow [2022-12-13 06:38:59,633 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:38:59,634 INFO L89 Accepts]: Start accepts. Operand has 69 places, 111 transitions, 1075 flow [2022-12-13 06:38:59,634 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:38:59,634 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:38:59,635 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 111 transitions, 1075 flow [2022-12-13 06:38:59,637 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 111 transitions, 1075 flow [2022-12-13 06:38:59,637 INFO L226 LiptonReduction]: Number of co-enabled transitions 392 [2022-12-13 06:38:59,640 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:38:59,640 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 7 [2022-12-13 06:38:59,640 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 111 transitions, 1075 flow [2022-12-13 06:38:59,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2022-12-13 06:38:59,640 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:38:59,640 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:38:59,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 06:38:59,641 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 06:38:59,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:38:59,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1321223269, now seen corresponding path program 2 times [2022-12-13 06:38:59,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:38:59,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584869351] [2022-12-13 06:38:59,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:38:59,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:38:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:39:00,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:39:00,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:39:00,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584869351] [2022-12-13 06:39:00,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584869351] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:39:00,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:39:00,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 06:39:00,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19924647] [2022-12-13 06:39:00,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:39:00,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 06:39:00,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:39:00,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 06:39:00,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 06:39:00,343 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 48 [2022-12-13 06:39:00,343 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 111 transitions, 1075 flow. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2022-12-13 06:39:00,343 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:39:00,344 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 48 [2022-12-13 06:39:00,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:39:00,939 INFO L130 PetriNetUnfolder]: 1547/3799 cut-off events. [2022-12-13 06:39:00,939 INFO L131 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2022-12-13 06:39:00,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22009 conditions, 3799 events. 1547/3799 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 36962 event pairs, 112 based on Foata normal form. 45/1654 useless extension candidates. Maximal degree in co-relation 21812. Up to 2317 conditions per place. [2022-12-13 06:39:00,947 INFO L137 encePairwiseOnDemand]: 41/48 looper letters, 90 selfloop transitions, 10 changer transitions 36/143 dead transitions. [2022-12-13 06:39:00,948 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 143 transitions, 1670 flow [2022-12-13 06:39:00,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 06:39:00,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 06:39:00,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 126 transitions. [2022-12-13 06:39:00,949 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.4375 [2022-12-13 06:39:00,949 INFO L295 CegarLoopForPetriNet]: 146 programPoint places, -72 predicate places. [2022-12-13 06:39:00,949 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 143 transitions, 1670 flow [2022-12-13 06:39:00,955 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 107 transitions, 1232 flow [2022-12-13 06:39:00,968 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:39:00,968 INFO L89 Accepts]: Start accepts. Operand has 73 places, 107 transitions, 1232 flow [2022-12-13 06:39:00,969 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:39:00,969 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:39:00,969 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 107 transitions, 1232 flow [2022-12-13 06:39:00,971 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 107 transitions, 1232 flow [2022-12-13 06:39:00,971 INFO L226 LiptonReduction]: Number of co-enabled transitions 314 [2022-12-13 06:39:01,002 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 06:39:01,003 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 06:39:01,009 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 06:39:01,010 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 06:39:01,011 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [1427] L6717-14-->L6720: Formula: (let ((.cse0 (mod |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1_In_1| 4294967296))) (and (= (store |v_#memory_$Pointer$.offset_In_5| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_In_1| (store (select |v_#memory_$Pointer$.offset_In_5| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_In_1|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_In_1| (select (select |v_#memory_$Pointer$.offset_Out_10| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_In_1|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_In_1|))) |v_#memory_$Pointer$.offset_Out_10|) (or (not (< .cse0 (mod v_~nvram_len~0_In_7 4294967296))) (not (< 0 (mod |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1_In_1| 4294967296)))) (= |v_#memory_$Pointer$.base_Out_10| (store |v_#memory_$Pointer$.base_In_5| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_In_1| (store (select |v_#memory_$Pointer$.base_In_5| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_In_1|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_In_1| (select (select |v_#memory_$Pointer$.base_Out_10| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_In_1|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_In_1|)))) (= |v_#memory_int_Out_10| (store |v_#memory_int_In_11| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_In_1| (store (select |v_#memory_int_In_11| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_In_1|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_In_1| .cse0))))) InVars {whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_In_1|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_In_5|, #memory_int=|v_#memory_int_In_11|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1_In_1|, ~nvram_len~0=v_~nvram_len~0_In_7, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_In_1|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1_In_1|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_In_5|} OutVars{whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_In_1|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_Out_10|, #memory_int=|v_#memory_int_Out_10|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1_In_1|, ~nvram_len~0=v_~nvram_len~0_In_7, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_In_1|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1_In_1|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_Out_10|} AuxVars[] AssignedVars[#memory_$Pointer$.base, #memory_int, #memory_$Pointer$.offset] and [1286] L6861-3-->L6862-3: Formula: (and (= (store |v_#memory_$Pointer$.base_180| |v_ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.base_49| (store (select |v_#memory_$Pointer$.base_180| |v_ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.base_49|) |v_ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.offset_49| (select (select |v_#memory_$Pointer$.base_179| |v_ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.base_49|) |v_ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.offset_49|))) |v_#memory_$Pointer$.base_179|) (= |v_ULTIMATE.start_main_#t~pre1183#1_55| |v_#pthreadsForks_64|) (= (store |v_#memory_int_310| |v_ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.base_49| (store (select |v_#memory_int_310| |v_ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.base_49|) |v_ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.offset_49| |v_ULTIMATE.start_main_#t~pre1183#1_55|)) |v_#memory_int_309|) (= (store |v_#memory_$Pointer$.offset_180| |v_ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.base_49| (store (select |v_#memory_$Pointer$.offset_180| |v_ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.base_49|) |v_ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.offset_49| (select (select |v_#memory_$Pointer$.offset_179| |v_ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.base_49|) |v_ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.offset_49|))) |v_#memory_$Pointer$.offset_179|) (= (+ |v_#pthreadsForks_64| 1) |v_#pthreadsForks_63|)) InVars {ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.base=|v_ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.base_49|, ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.offset=|v_ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.offset_49|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_180|, #pthreadsForks=|v_#pthreadsForks_64|, #memory_int=|v_#memory_int_310|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_180|} OutVars{ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.base=|v_ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.base_49|, ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.offset=|v_ULTIMATE.start_main_~#pthread_t_nvram_llseek~0#1.offset_49|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_179|, #pthreadsForks=|v_#pthreadsForks_63|, ULTIMATE.start_main_#t~pre1181#1=|v_ULTIMATE.start_main_#t~pre1181#1_31|, ULTIMATE.start_main_#t~pre1183#1=|v_ULTIMATE.start_main_#t~pre1183#1_55|, #memory_int=|v_#memory_int_309|, ULTIMATE.start_main_#t~nondet1182#1=|v_ULTIMATE.start_main_#t~nondet1182#1_35|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_179|} AuxVars[] AssignedVars[#memory_$Pointer$.base, #pthreadsForks, ULTIMATE.start_main_#t~pre1181#1, ULTIMATE.start_main_#t~pre1183#1, #memory_int, ULTIMATE.start_main_#t~nondet1182#1, #memory_$Pointer$.offset] [2022-12-13 06:39:01,177 INFO L241 LiptonReduction]: Total number of compositions: 1 [2022-12-13 06:39:01,177 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 209 [2022-12-13 06:39:01,178 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 106 transitions, 1222 flow [2022-12-13 06:39:01,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2022-12-13 06:39:01,178 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:39:01,178 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:39:01,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 06:39:01,178 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 06:39:01,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:39:01,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1320752654, now seen corresponding path program 1 times [2022-12-13 06:39:01,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:39:01,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41036767] [2022-12-13 06:39:01,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:39:01,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:39:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:39:06,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:39:06,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:39:06,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41036767] [2022-12-13 06:39:06,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41036767] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:39:06,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:39:06,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 06:39:06,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944358148] [2022-12-13 06:39:06,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:39:06,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 06:39:06,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:39:06,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 06:39:06,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 06:39:06,583 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 49 [2022-12-13 06:39:06,584 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 106 transitions, 1222 flow. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2022-12-13 06:39:06,584 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:39:06,584 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 49 [2022-12-13 06:39:06,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:39:07,325 INFO L130 PetriNetUnfolder]: 1101/2659 cut-off events. [2022-12-13 06:39:07,325 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-12-13 06:39:07,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17919 conditions, 2659 events. 1101/2659 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 473. Compared 23766 event pairs, 77 based on Foata normal form. 38/1189 useless extension candidates. Maximal degree in co-relation 17380. Up to 2220 conditions per place. [2022-12-13 06:39:07,331 INFO L137 encePairwiseOnDemand]: 43/49 looper letters, 70 selfloop transitions, 11 changer transitions 32/120 dead transitions. [2022-12-13 06:39:07,331 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 120 transitions, 1619 flow [2022-12-13 06:39:07,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 06:39:07,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-13 06:39:07,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 149 transitions. [2022-12-13 06:39:07,333 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.38010204081632654 [2022-12-13 06:39:07,335 INFO L295 CegarLoopForPetriNet]: 146 programPoint places, -67 predicate places. [2022-12-13 06:39:07,335 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 120 transitions, 1619 flow [2022-12-13 06:39:07,339 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 88 transitions, 1165 flow [2022-12-13 06:39:07,348 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:39:07,348 INFO L89 Accepts]: Start accepts. Operand has 79 places, 88 transitions, 1165 flow [2022-12-13 06:39:07,350 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:39:07,350 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:39:07,350 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 88 transitions, 1165 flow [2022-12-13 06:39:07,351 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 88 transitions, 1165 flow [2022-12-13 06:39:07,351 INFO L226 LiptonReduction]: Number of co-enabled transitions 236 [2022-12-13 06:39:07,353 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:39:07,354 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 6 [2022-12-13 06:39:07,354 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 88 transitions, 1165 flow [2022-12-13 06:39:07,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2022-12-13 06:39:07,354 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:39:07,354 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:39:07,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 06:39:07,354 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 06:39:07,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:39:07,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1640274316, now seen corresponding path program 1 times [2022-12-13 06:39:07,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:39:07,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749960132] [2022-12-13 06:39:07,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:39:07,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:39:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:39:08,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:39:08,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:39:08,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749960132] [2022-12-13 06:39:08,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749960132] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:39:08,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:39:08,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 06:39:08,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964073710] [2022-12-13 06:39:08,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:39:08,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 06:39:08,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:39:08,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 06:39:08,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 06:39:08,159 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 49 [2022-12-13 06:39:08,159 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 88 transitions, 1165 flow. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2022-12-13 06:39:08,159 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:39:08,159 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 49 [2022-12-13 06:39:08,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:39:08,612 INFO L130 PetriNetUnfolder]: 266/550 cut-off events. [2022-12-13 06:39:08,613 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-13 06:39:08,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4262 conditions, 550 events. 266/550 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 2864 event pairs, 77 based on Foata normal form. 45/353 useless extension candidates. Maximal degree in co-relation 4182. Up to 364 conditions per place. [2022-12-13 06:39:08,615 INFO L137 encePairwiseOnDemand]: 42/49 looper letters, 66 selfloop transitions, 7 changer transitions 24/104 dead transitions. [2022-12-13 06:39:08,615 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 104 transitions, 1583 flow [2022-12-13 06:39:08,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 06:39:08,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 06:39:08,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 113 transitions. [2022-12-13 06:39:08,617 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.3843537414965986 [2022-12-13 06:39:08,617 INFO L295 CegarLoopForPetriNet]: 146 programPoint places, -62 predicate places. [2022-12-13 06:39:08,617 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 104 transitions, 1583 flow [2022-12-13 06:39:08,619 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 80 transitions, 1194 flow [2022-12-13 06:39:08,622 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:39:08,622 INFO L89 Accepts]: Start accepts. Operand has 83 places, 80 transitions, 1194 flow [2022-12-13 06:39:08,623 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:39:08,623 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:39:08,623 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 80 transitions, 1194 flow [2022-12-13 06:39:08,626 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 80 transitions, 1194 flow [2022-12-13 06:39:08,626 INFO L226 LiptonReduction]: Number of co-enabled transitions 156 [2022-12-13 06:39:08,626 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:39:08,627 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 5 [2022-12-13 06:39:08,627 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 80 transitions, 1194 flow [2022-12-13 06:39:08,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2022-12-13 06:39:08,627 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:39:08,627 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:39:08,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 06:39:08,627 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 06:39:08,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:39:08,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1321079119, now seen corresponding path program 3 times [2022-12-13 06:39:08,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:39:08,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143466353] [2022-12-13 06:39:08,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:39:08,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:39:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:39:09,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:39:09,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:39:09,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143466353] [2022-12-13 06:39:09,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143466353] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:39:09,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:39:09,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 06:39:09,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921443989] [2022-12-13 06:39:09,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:39:09,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 06:39:09,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:39:09,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 06:39:09,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 06:39:09,140 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 48 [2022-12-13 06:39:09,140 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 80 transitions, 1194 flow. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2022-12-13 06:39:09,140 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:39:09,140 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 48 [2022-12-13 06:39:09,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:39:09,558 INFO L130 PetriNetUnfolder]: 162/341 cut-off events. [2022-12-13 06:39:09,558 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-13 06:39:09,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2970 conditions, 341 events. 162/341 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 1552 event pairs, 35 based on Foata normal form. 45/242 useless extension candidates. Maximal degree in co-relation 2881. Up to 228 conditions per place. [2022-12-13 06:39:09,560 INFO L137 encePairwiseOnDemand]: 43/48 looper letters, 36 selfloop transitions, 4 changer transitions 35/79 dead transitions. [2022-12-13 06:39:09,560 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 79 transitions, 1322 flow [2022-12-13 06:39:09,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 06:39:09,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 06:39:09,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 106 transitions. [2022-12-13 06:39:09,560 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.31547619047619047 [2022-12-13 06:39:09,562 INFO L295 CegarLoopForPetriNet]: 146 programPoint places, -58 predicate places. [2022-12-13 06:39:09,563 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 79 transitions, 1322 flow [2022-12-13 06:39:09,564 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 66 places, 44 transitions, 737 flow [2022-12-13 06:39:09,565 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:39:09,565 INFO L89 Accepts]: Start accepts. Operand has 66 places, 44 transitions, 737 flow [2022-12-13 06:39:09,566 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:39:09,566 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:39:09,566 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 44 transitions, 737 flow [2022-12-13 06:39:09,566 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 44 transitions, 737 flow [2022-12-13 06:39:09,567 INFO L226 LiptonReduction]: Number of co-enabled transitions 76 [2022-12-13 06:39:09,567 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:39:09,569 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4 [2022-12-13 06:39:09,569 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 44 transitions, 737 flow [2022-12-13 06:39:09,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2022-12-13 06:39:09,569 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:39:09,569 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:39:09,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 06:39:09,569 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 06:39:09,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:39:09,569 INFO L85 PathProgramCache]: Analyzing trace with hash -533438012, now seen corresponding path program 2 times [2022-12-13 06:39:09,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:39:09,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731738699] [2022-12-13 06:39:09,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:39:09,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:39:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:39:12,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:39:12,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:39:12,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731738699] [2022-12-13 06:39:12,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731738699] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:39:12,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:39:12,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 06:39:12,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367091817] [2022-12-13 06:39:12,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:39:12,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 06:39:12,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:39:12,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 06:39:12,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 06:39:12,643 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 30 [2022-12-13 06:39:12,643 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 44 transitions, 737 flow. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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) [2022-12-13 06:39:12,643 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:39:12,643 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 30 [2022-12-13 06:39:12,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:39:13,018 INFO L130 PetriNetUnfolder]: 135/293 cut-off events. [2022-12-13 06:39:13,018 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 06:39:13,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2823 conditions, 293 events. 135/293 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 1340 event pairs, 35 based on Foata normal form. 38/199 useless extension candidates. Maximal degree in co-relation 2767. Up to 246 conditions per place. [2022-12-13 06:39:13,019 INFO L137 encePairwiseOnDemand]: 24/30 looper letters, 29 selfloop transitions, 5 changer transitions 26/64 dead transitions. [2022-12-13 06:39:13,019 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 64 transitions, 1220 flow [2022-12-13 06:39:13,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 06:39:13,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-13 06:39:13,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 89 transitions. [2022-12-13 06:39:13,020 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.37083333333333335 [2022-12-13 06:39:13,020 INFO L295 CegarLoopForPetriNet]: 146 programPoint places, -73 predicate places. [2022-12-13 06:39:13,020 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 64 transitions, 1220 flow [2022-12-13 06:39:13,021 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 38 transitions, 697 flow [2022-12-13 06:39:13,023 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:39:13,023 INFO L89 Accepts]: Start accepts. Operand has 72 places, 38 transitions, 697 flow [2022-12-13 06:39:13,023 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:39:13,023 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:39:13,023 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 38 transitions, 697 flow [2022-12-13 06:39:13,024 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 38 transitions, 697 flow [2022-12-13 06:39:13,024 INFO L226 LiptonReduction]: Number of co-enabled transitions 68 [2022-12-13 06:39:13,024 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:39:13,025 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 3 [2022-12-13 06:39:13,025 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 38 transitions, 697 flow [2022-12-13 06:39:13,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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) [2022-12-13 06:39:13,025 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:39:13,025 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:39:13,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 06:39:13,025 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 06:39:13,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:39:13,025 INFO L85 PathProgramCache]: Analyzing trace with hash -773909042, now seen corresponding path program 3 times [2022-12-13 06:39:13,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:39:13,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364464558] [2022-12-13 06:39:13,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:39:13,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:39:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:39:13,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:39:13,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:39:13,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364464558] [2022-12-13 06:39:13,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364464558] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:39:13,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:39:13,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 06:39:13,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127787874] [2022-12-13 06:39:13,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:39:13,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 06:39:13,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:39:13,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 06:39:13,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 06:39:13,491 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 30 [2022-12-13 06:39:13,492 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 38 transitions, 697 flow. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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) [2022-12-13 06:39:13,492 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:39:13,492 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 30 [2022-12-13 06:39:13,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:39:13,749 INFO L130 PetriNetUnfolder]: 35/97 cut-off events. [2022-12-13 06:39:13,749 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 06:39:13,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1025 conditions, 97 events. 35/97 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 303 event pairs, 0 based on Foata normal form. 38/88 useless extension candidates. Maximal degree in co-relation 964. Up to 75 conditions per place. [2022-12-13 06:39:13,749 INFO L137 encePairwiseOnDemand]: 25/30 looper letters, 0 selfloop transitions, 0 changer transitions 37/37 dead transitions. [2022-12-13 06:39:13,749 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 37 transitions, 743 flow [2022-12-13 06:39:13,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 06:39:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 06:39:13,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 56 transitions. [2022-12-13 06:39:13,750 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.3111111111111111 [2022-12-13 06:39:13,750 INFO L295 CegarLoopForPetriNet]: 146 programPoint places, -70 predicate places. [2022-12-13 06:39:13,750 INFO L82 GeneralOperation]: Start removeDead. Operand has 76 places, 37 transitions, 743 flow [2022-12-13 06:39:13,751 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2022-12-13 06:39:13,751 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:39:13,751 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 06:39:13,751 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 06:39:13,751 INFO L226 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-13 06:39:13,751 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:39:13,752 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1 [2022-12-13 06:39:13,752 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-13 06:39:13,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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) [2022-12-13 06:39:13,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-12-13 06:39:13,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2022-12-13 06:39:13,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2022-12-13 06:39:13,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-12-13 06:39:13,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-12-13 06:39:13,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-12-13 06:39:13,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 06:39:13,754 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 1, 1, 1, 1] [2022-12-13 06:39:13,757 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 06:39:13,757 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 06:39:13,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:39:13 BasicIcfg [2022-12-13 06:39:13,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 06:39:13,759 INFO L158 Benchmark]: Toolchain (without parser) took 541136.30ms. Allocated memory was 184.5MB in the beginning and 4.3GB in the end (delta: 4.2GB). Free memory was 150.4MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-12-13 06:39:13,759 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 184.5MB. Free memory was 161.2MB in the beginning and 161.1MB in the end (delta: 152.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 06:39:13,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6175.66ms. Allocated memory was 184.5MB in the beginning and 303.0MB in the end (delta: 118.5MB). Free memory was 150.4MB in the beginning and 202.4MB in the end (delta: -52.1MB). Peak memory consumption was 135.7MB. Max. memory is 8.0GB. [2022-12-13 06:39:13,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.03ms. Allocated memory is still 303.0MB. Free memory was 202.4MB in the beginning and 193.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-12-13 06:39:13,760 INFO L158 Benchmark]: Boogie Preprocessor took 49.71ms. Allocated memory is still 303.0MB. Free memory was 193.0MB in the beginning and 189.3MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-13 06:39:13,760 INFO L158 Benchmark]: RCFGBuilder took 784.63ms. Allocated memory is still 303.0MB. Free memory was 189.3MB in the beginning and 149.5MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. [2022-12-13 06:39:13,760 INFO L158 Benchmark]: TraceAbstraction took 534004.54ms. Allocated memory was 303.0MB in the beginning and 4.3GB in the end (delta: 4.0GB). Free memory was 148.4MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2022-12-13 06:39:13,761 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 184.5MB. Free memory was 161.2MB in the beginning and 161.1MB in the end (delta: 152.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 6175.66ms. Allocated memory was 184.5MB in the beginning and 303.0MB in the end (delta: 118.5MB). Free memory was 150.4MB in the beginning and 202.4MB in the end (delta: -52.1MB). Peak memory consumption was 135.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 116.03ms. Allocated memory is still 303.0MB. Free memory was 202.4MB in the beginning and 193.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.71ms. Allocated memory is still 303.0MB. Free memory was 193.0MB in the beginning and 189.3MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 784.63ms. Allocated memory is still 303.0MB. Free memory was 189.3MB in the beginning and 149.5MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. * TraceAbstraction took 534004.54ms. Allocated memory was 303.0MB in the beginning and 4.3GB in the end (delta: 4.0GB). Free memory was 148.4MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 506.6s, 321 PlacesBefore, 146 PlacesAfterwards, 329 TransitionsBefore, 146 TransitionsAfterwards, 10796 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 175 TrivialYvCompositions, 120 ConcurrentYvCompositions, 10 ChoiceCompositions, 309 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31522, independent: 31359, independent conditional: 31359, independent unconditional: 0, dependent: 163, dependent conditional: 163, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 31522, independent: 31359, independent conditional: 0, independent unconditional: 31359, dependent: 163, dependent conditional: 0, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31522, independent: 31359, independent conditional: 0, independent unconditional: 31359, dependent: 163, dependent conditional: 0, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31522, independent: 31359, independent conditional: 0, independent unconditional: 31359, dependent: 163, dependent conditional: 0, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10158, independent: 10103, independent conditional: 0, independent unconditional: 10103, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10158, independent: 10082, independent conditional: 0, independent unconditional: 10082, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 76, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 151, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 31522, independent: 21256, independent conditional: 0, independent unconditional: 21256, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 10158, unknown conditional: 0, unknown unconditional: 10158] , Statistics on independence cache: Total cache size (in pairs): 49466, Positive cache size: 49411, Positive conditional cache size: 0, Positive unconditional cache size: 49411, Negative cache size: 55, Negative conditional cache size: 0, Negative unconditional cache size: 55, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 143 PlacesBefore, 143 PlacesAfterwards, 161 TransitionsBefore, 161 TransitionsAfterwards, 1176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 80 PlacesBefore, 80 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 600 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 62 PlacesBefore, 62 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 364 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 69 PlacesBefore, 69 PlacesAfterwards, 111 TransitionsBefore, 111 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 73 PlacesBefore, 72 PlacesAfterwards, 107 TransitionsBefore, 106 TransitionsAfterwards, 314 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 79 PlacesBefore, 79 PlacesAfterwards, 88 TransitionsBefore, 88 TransitionsAfterwards, 236 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 83 PlacesBefore, 83 PlacesAfterwards, 80 TransitionsBefore, 80 TransitionsAfterwards, 156 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 66 PlacesBefore, 66 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 76 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 72 PlacesBefore, 72 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 68 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 454 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 533.9s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 506.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1444 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1444 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2035 IncrementalHoareTripleChecker+Invalid, 2062 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 8 mSDtfsCounter, 2035 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1232occurred in iteration=5, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 14.7s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 951 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 06:39:13,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...