/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 -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-8d0d62b [2022-12-05 23:25:03,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 23:25:03,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 23:25:03,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 23:25:03,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 23:25:03,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 23:25:03,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 23:25:03,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 23:25:03,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 23:25:03,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 23:25:03,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 23:25:03,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 23:25:03,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 23:25:03,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 23:25:03,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 23:25:03,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 23:25:03,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 23:25:03,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 23:25:03,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 23:25:03,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 23:25:03,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 23:25:03,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 23:25:03,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 23:25:03,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 23:25:03,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 23:25:03,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 23:25:03,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 23:25:03,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 23:25:03,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 23:25:03,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 23:25:03,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 23:25:03,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 23:25:03,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 23:25:03,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 23:25:03,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 23:25:03,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 23:25:03,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 23:25:03,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 23:25:03,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 23:25:03,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 23:25:03,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 23:25:03,566 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 [2022-12-05 23:25:03,590 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 23:25:03,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 23:25:03,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 23:25:03,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 23:25:03,591 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 23:25:03,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 23:25:03,592 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 23:25:03,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 23:25:03,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 23:25:03,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 23:25:03,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 23:25:03,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 23:25:03,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 23:25:03,593 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 23:25:03,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 23:25:03,593 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 23:25:03,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 23:25:03,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 23:25:03,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 23:25:03,594 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 23:25:03,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 23:25:03,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:25:03,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 23:25:03,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 23:25:03,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 23:25:03,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 23:25:03,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 23:25:03,595 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-05 23:25:03,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 23:25:03,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 23:25:03,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 23:25:03,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 23:25:03,855 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 23:25:03,859 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 23:25:03,860 INFO L432 ainManager$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 [2022-12-05 23:25:04,790 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 23:25:05,185 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 23:25:05,186 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-12-05 23:25:05,224 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eadce2bd/c87b2405fce640818bacddb64d6d3691/FLAGb2d6aaebd [2022-12-05 23:25:05,247 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eadce2bd/c87b2405fce640818bacddb64d6d3691 [2022-12-05 23:25:05,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 23:25:05,250 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 23:25:05,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 23:25:05,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 23:25:05,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 23:25:05,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:25:05" (1/1) ... [2022-12-05 23:25:05,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2862ed90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:05, skipping insertion in model container [2022-12-05 23:25:05,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:25:05" (1/1) ... [2022-12-05 23:25:05,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 23:25:05,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 23:25:05,596 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] [2022-12-05 23:25:05,838 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:05,839 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:05,844 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:05,845 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:05,851 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:05,852 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:05,946 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:05,947 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:05,951 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:05,951 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:05,955 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:05,956 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:05,959 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:05,960 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:05,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:05,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:05,969 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:05,970 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:05,973 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:05,974 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:05,977 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:05,977 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:06,210 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 23:25:06,213 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:25:06,216 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:25:06,221 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:25:06,284 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 23:25:06,290 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 23:25:06,373 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 23:25:06,488 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 23:25:06,493 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 23:25:06,526 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 23:25:06,529 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 23:25:06,682 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 23:25:06,685 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 23:25:06,688 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 23:25:06,804 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 23:25:06,804 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 23:25:06,807 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 23:25:06,807 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 23:25:06,908 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 23:25:06,928 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 23:25:07,021 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 23:25:07,024 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 23:25:07,118 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 23:25:07,231 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 23:25:07,232 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 23:25:07,232 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 23:25:07,987 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 23:25:07,988 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:25:07,992 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:25:07,996 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:25:08,003 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:25:08,301 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-05 23:25:08,303 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-05 23:25:08,307 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-05 23:25:08,313 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-05 23:25:08,313 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-05 23:25:08,315 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-05 23:25:08,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:25:08,336 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 23:25:08,345 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] [2022-12-05 23:25:08,353 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:08,354 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:08,354 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:08,354 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:08,354 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:08,355 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:08,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:08,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:08,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:08,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:08,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:08,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:08,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:08,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:08,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:08,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:08,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:08,360 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:08,360 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:08,360 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:08,360 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:08,360 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:08,370 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 23:25:08,370 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:25:08,370 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:25:08,371 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:25:08,374 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 23:25:08,377 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 23:25:08,380 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 23:25:08,391 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 23:25:08,395 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 23:25:08,397 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 23:25:08,398 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 23:25:08,405 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 23:25:08,406 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 23:25:08,406 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 23:25:08,409 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 23:25:08,409 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 23:25:08,410 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 23:25:08,410 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 23:25:08,420 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 23:25:08,422 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 23:25:08,425 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 23:25:08,426 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 23:25:08,428 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 23:25:08,431 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 23:25:08,431 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 23:25:08,431 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 23:25:08,481 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 23:25:08,482 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:25:08,484 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:25:08,487 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:25:08,490 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:25:08,558 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-05 23:25:08,559 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-05 23:25:08,560 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-05 23:25:08,562 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-05 23:25:08,562 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-05 23:25:08,563 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-05 23:25:08,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:25:08,929 INFO L208 MainTranslator]: Completed translation [2022-12-05 23:25:08,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:08 WrapperNode [2022-12-05 23:25:08,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 23:25:08,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 23:25:08,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 23:25:08,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 23:25:08,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:08" (1/1) ... [2022-12-05 23:25:08,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:08" (1/1) ... [2022-12-05 23:25:09,035 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 15, statements flattened = 314 [2022-12-05 23:25:09,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 23:25:09,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 23:25:09,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 23:25:09,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 23:25:09,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:08" (1/1) ... [2022-12-05 23:25:09,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:08" (1/1) ... [2022-12-05 23:25:09,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:08" (1/1) ... [2022-12-05 23:25:09,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:08" (1/1) ... [2022-12-05 23:25:09,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:08" (1/1) ... [2022-12-05 23:25:09,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:08" (1/1) ... [2022-12-05 23:25:09,075 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:08" (1/1) ... [2022-12-05 23:25:09,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:08" (1/1) ... [2022-12-05 23:25:09,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 23:25:09,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 23:25:09,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 23:25:09,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 23:25:09,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:08" (1/1) ... [2022-12-05 23:25:09,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:25:09,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 23:25:09,120 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) [2022-12-05 23:25:09,136 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 [2022-12-05 23:25:09,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 23:25:09,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-05 23:25:09,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 23:25:09,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 23:25:09,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 23:25:09,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-05 23:25:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 23:25:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 23:25:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2022-12-05 23:25:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2022-12-05 23:25:09,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 23:25:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-05 23:25:09,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 23:25:09,170 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_llseek [2022-12-05 23:25:09,170 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_llseek [2022-12-05 23:25:09,171 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 23:25:09,557 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 23:25:09,558 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 23:25:09,867 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 23:25:09,874 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 23:25:09,874 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-05 23:25:09,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:25:09 BoogieIcfgContainer [2022-12-05 23:25:09,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 23:25:09,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 23:25:09,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 23:25:09,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 23:25:09,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 11:25:05" (1/3) ... [2022-12-05 23:25:09,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9bf8958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:25:09, skipping insertion in model container [2022-12-05 23:25:09,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:08" (2/3) ... [2022-12-05 23:25:09,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9bf8958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:25:09, skipping insertion in model container [2022-12-05 23:25:09,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:25:09" (3/3) ... [2022-12-05 23:25:09,881 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_llseek_read_nvram.i [2022-12-05 23:25:09,893 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 23:25:09,893 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-05 23:25:09,893 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 23:25:09,954 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-05 23:25:09,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 331 places, 339 transitions, 694 flow [2022-12-05 23:25:10,098 INFO L130 PetriNetUnfolder]: 15/337 cut-off events. [2022-12-05 23:25:10,099 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 23:25:10,106 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. [2022-12-05 23:25:10,106 INFO L82 GeneralOperation]: Start removeDead. Operand has 331 places, 339 transitions, 694 flow [2022-12-05 23:25:10,111 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 321 places, 329 transitions, 667 flow [2022-12-05 23:25:10,112 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:25:10,124 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 321 places, 329 transitions, 667 flow [2022-12-05 23:25:10,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 321 places, 329 transitions, 667 flow [2022-12-05 23:25:10,175 INFO L130 PetriNetUnfolder]: 15/329 cut-off events. [2022-12-05 23:25:10,175 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 23:25:10,177 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. [2022-12-05 23:25:10,183 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 321 places, 329 transitions, 667 flow [2022-12-05 23:25:10,183 INFO L188 LiptonReduction]: Number of co-enabled transitions 10796 [2022-12-05 23:25:10,260 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:10,262 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:12,403 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:12,404 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:13,762 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:13,762 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:13,946 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:13,947 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:13,948 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:13,948 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:14,151 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:14,152 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:14,153 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:14,154 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:16,860 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:16,861 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:16,869 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:16,870 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:17,212 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:17,216 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:17,219 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:17,219 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:18,392 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:18,393 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:18,394 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:18,394 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:19,049 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:19,050 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:19,052 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:19,052 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:24,437 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:24,437 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:24,439 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:24,439 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:24,850 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:24,851 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:24,853 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:24,853 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:28,286 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:28,287 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:28,288 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:28,288 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:36,649 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:36,650 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 23:25:36,652 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:36,652 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2022-12-05 23:25:38,653 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:38,654 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:38,656 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:38,656 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:38,660 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:38,661 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:38,663 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:38,663 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:55,071 WARN L233 SmtUtils]: Spent 7.73s 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) [2022-12-05 23:26:03,198 WARN L233 SmtUtils]: Spent 8.13s 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) [2022-12-05 23:26:11,059 WARN L233 SmtUtils]: Spent 7.84s 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) [2022-12-05 23:26:18,892 WARN L233 SmtUtils]: Spent 7.83s 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) [2022-12-05 23:26:27,034 WARN L233 SmtUtils]: Spent 8.13s 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) [2022-12-05 23:26:34,658 WARN L233 SmtUtils]: Spent 7.62s 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) [2022-12-05 23:26:44,969 WARN L233 SmtUtils]: Spent 10.31s 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) [2022-12-05 23:26:52,526 WARN L233 SmtUtils]: Spent 7.55s 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) [2022-12-05 23:26:52,732 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:52,732 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 23:26:52,742 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:52,743 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-05 23:26:52,750 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:52,750 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2022-12-05 23:26:52,758 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:52,758 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-05 23:26:52,769 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:52,770 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2022-12-05 23:27:00,039 WARN L233 SmtUtils]: Spent 7.22s 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) [2022-12-05 23:27:08,343 WARN L233 SmtUtils]: Spent 8.30s 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) [2022-12-05 23:27:24,131 WARN L233 SmtUtils]: Spent 15.79s 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) [2022-12-05 23:27:37,717 WARN L233 SmtUtils]: Spent 13.58s 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) [2022-12-05 23:27:38,179 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:38,180 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2022-12-05 23:27:38,183 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:38,186 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 991 [2022-12-05 23:27:38,189 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:38,190 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1293 [2022-12-05 23:27:38,195 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:38,195 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2022-12-05 23:27:38,199 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:38,200 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 265 [2022-12-05 23:27:38,204 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:38,204 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 277 [2022-12-05 23:27:38,208 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:38,208 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 202 [2022-12-05 23:27:51,480 WARN L233 SmtUtils]: Spent 13.20s 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) [2022-12-05 23:28:04,880 WARN L233 SmtUtils]: Spent 13.40s 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) [2022-12-05 23:28:23,063 WARN L233 SmtUtils]: Spent 18.18s 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) [2022-12-05 23:28:40,367 WARN L233 SmtUtils]: Spent 17.30s 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) [2022-12-05 23:28:41,808 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:28:41,809 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:28:41,812 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:28:41,812 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:28:41,815 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:28:41,816 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:28:41,817 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:28:41,818 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:30:14,887 WARN L233 SmtUtils]: Spent 1.55m 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) [2022-12-05 23:31:01,727 WARN L233 SmtUtils]: Spent 46.83s 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) [2022-12-05 23:32:42,375 WARN L233 SmtUtils]: Spent 1.68m 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) [2022-12-05 23:33:40,791 WARN L233 SmtUtils]: Spent 58.40s 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) [2022-12-05 23:33:40,807 INFO L203 LiptonReduction]: Total number of compositions: 307 [2022-12-05 23:33:40,816 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 23:33:40,819 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;@d48131a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 23:33:40,820 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-05 23:33:40,826 INFO L130 PetriNetUnfolder]: 3/25 cut-off events. [2022-12-05 23:33:40,827 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 23:33:40,827 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:33:40,828 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-05 23:33:40,839 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)] === [2022-12-05 23:33:40,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:33:40,842 INFO L85 PathProgramCache]: Analyzing trace with hash -929690964, now seen corresponding path program 1 times [2022-12-05 23:33:40,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:33:40,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315165993] [2022-12-05 23:33:40,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:33:40,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:33:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:33:41,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:33:41,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:33:41,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315165993] [2022-12-05 23:33:41,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315165993] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:33:41,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:33:41,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 23:33:41,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044080006] [2022-12-05 23:33:41,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:33:41,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 23:33:41,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:33:41,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 23:33:41,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 23:33:41,690 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 32 [2022-12-05 23:33:41,691 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 32 transitions, 73 flow. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:33:41,691 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:33:41,691 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 32 [2022-12-05 23:33:41,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:33:41,942 INFO L130 PetriNetUnfolder]: 397/672 cut-off events. [2022-12-05 23:33:41,942 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-12-05 23:33:41,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1368 conditions, 672 events. 397/672 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2802 event pairs, 210 based on Foata normal form. 0/417 useless extension candidates. Maximal degree in co-relation 1224. Up to 492 conditions per place. [2022-12-05 23:33:41,946 INFO L137 encePairwiseOnDemand]: 25/32 looper letters, 34 selfloop transitions, 4 changer transitions 5/45 dead transitions. [2022-12-05 23:33:41,946 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 45 transitions, 191 flow [2022-12-05 23:33:41,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 23:33:41,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 23:33:41,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-12-05 23:33:41,955 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5520833333333334 [2022-12-05 23:33:41,956 INFO L175 Difference]: Start difference. First operand has 34 places, 32 transitions, 73 flow. Second operand 3 states and 53 transitions. [2022-12-05 23:33:41,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 45 transitions, 191 flow [2022-12-05 23:33:41,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 45 transitions, 183 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 23:33:41,961 INFO L231 Difference]: Finished difference. Result has 33 places, 33 transitions, 94 flow [2022-12-05 23:33:41,962 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=33, PETRI_TRANSITIONS=33} [2022-12-05 23:33:41,964 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, -1 predicate places. [2022-12-05 23:33:41,964 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:33:41,965 INFO L89 Accepts]: Start accepts. Operand has 33 places, 33 transitions, 94 flow [2022-12-05 23:33:41,966 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:33:41,966 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:33:41,966 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 33 transitions, 94 flow [2022-12-05 23:33:41,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 33 transitions, 94 flow [2022-12-05 23:33:41,992 INFO L130 PetriNetUnfolder]: 14/75 cut-off events. [2022-12-05 23:33:41,992 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-05 23:33:41,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 75 events. 14/75 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 308 event pairs, 1 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 38. Up to 12 conditions per place. [2022-12-05 23:33:41,993 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 33 transitions, 94 flow [2022-12-05 23:33:41,993 INFO L188 LiptonReduction]: Number of co-enabled transitions 412 [2022-12-05 23:33:42,156 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-05 23:33:42,157 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 193 [2022-12-05 23:33:42,157 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 33 transitions, 96 flow [2022-12-05 23:33:42,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:33:42,157 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:33:42,157 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:33:42,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 23:33:42,157 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)] === [2022-12-05 23:33:42,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:33:42,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1215057360, now seen corresponding path program 1 times [2022-12-05 23:33:42,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:33:42,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742473961] [2022-12-05 23:33:42,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:33:42,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:33:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:33:42,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:33:42,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:33:42,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742473961] [2022-12-05 23:33:42,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742473961] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:33:42,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:33:42,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 23:33:42,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729395476] [2022-12-05 23:33:42,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:33:42,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 23:33:42,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:33:42,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 23:33:42,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 23:33:42,429 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 31 [2022-12-05 23:33:42,429 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 33 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:33:42,429 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:33:42,429 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 31 [2022-12-05 23:33:42,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:33:42,640 INFO L130 PetriNetUnfolder]: 409/738 cut-off events. [2022-12-05 23:33:42,640 INFO L131 PetriNetUnfolder]: For 145/145 co-relation queries the response was YES. [2022-12-05 23:33:42,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1663 conditions, 738 events. 409/738 cut-off events. For 145/145 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3462 event pairs, 177 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 923. Up to 406 conditions per place. [2022-12-05 23:33:42,642 INFO L137 encePairwiseOnDemand]: 26/31 looper letters, 26 selfloop transitions, 4 changer transitions 21/53 dead transitions. [2022-12-05 23:33:42,642 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 53 transitions, 253 flow [2022-12-05 23:33:42,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 23:33:42,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 23:33:42,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 56 transitions. [2022-12-05 23:33:42,643 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6021505376344086 [2022-12-05 23:33:42,643 INFO L175 Difference]: Start difference. First operand has 33 places, 33 transitions, 96 flow. Second operand 3 states and 56 transitions. [2022-12-05 23:33:42,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 53 transitions, 253 flow [2022-12-05 23:33:42,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 53 transitions, 237 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-05 23:33:42,665 INFO L231 Difference]: Finished difference. Result has 35 places, 27 transitions, 96 flow [2022-12-05 23:33:42,665 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=35, PETRI_TRANSITIONS=27} [2022-12-05 23:33:42,665 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 1 predicate places. [2022-12-05 23:33:42,666 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:33:42,666 INFO L89 Accepts]: Start accepts. Operand has 35 places, 27 transitions, 96 flow [2022-12-05 23:33:42,666 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:33:42,666 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:33:42,666 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 27 transitions, 96 flow [2022-12-05 23:33:42,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 31 places, 27 transitions, 96 flow [2022-12-05 23:33:42,675 INFO L130 PetriNetUnfolder]: 3/47 cut-off events. [2022-12-05 23:33:42,675 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-12-05 23:33:42,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 47 events. 3/47 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 172 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 57. Up to 9 conditions per place. [2022-12-05 23:33:42,675 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 27 transitions, 96 flow [2022-12-05 23:33:42,675 INFO L188 LiptonReduction]: Number of co-enabled transitions 156 [2022-12-05 23:33:42,882 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-05 23:33:42,882 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 216 [2022-12-05 23:33:42,883 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 26 transitions, 100 flow [2022-12-05 23:33:42,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:33:42,883 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:33:42,883 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:33:42,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 23:33:42,883 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)] === [2022-12-05 23:33:42,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:33:42,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1244350570, now seen corresponding path program 1 times [2022-12-05 23:33:42,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:33:42,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266162170] [2022-12-05 23:33:42,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:33:42,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:33:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:33:43,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:33:43,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:33:43,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266162170] [2022-12-05 23:33:43,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266162170] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:33:43,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:33:43,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 23:33:43,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023931066] [2022-12-05 23:33:43,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:33:43,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 23:33:43,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:33:43,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 23:33:43,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-05 23:33:43,585 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 23 [2022-12-05 23:33:43,586 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 26 transitions, 100 flow. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:33:43,586 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:33:43,586 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 23 [2022-12-05 23:33:43,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:33:43,900 INFO L130 PetriNetUnfolder]: 136/268 cut-off events. [2022-12-05 23:33:43,901 INFO L131 PetriNetUnfolder]: For 103/103 co-relation queries the response was YES. [2022-12-05 23:33:43,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 702 conditions, 268 events. 136/268 cut-off events. For 103/103 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1079 event pairs, 18 based on Foata normal form. 9/223 useless extension candidates. Maximal degree in co-relation 609. Up to 134 conditions per place. [2022-12-05 23:33:43,901 INFO L137 encePairwiseOnDemand]: 16/23 looper letters, 24 selfloop transitions, 8 changer transitions 11/44 dead transitions. [2022-12-05 23:33:43,902 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 44 transitions, 242 flow [2022-12-05 23:33:43,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:33:43,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:33:43,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2022-12-05 23:33:43,903 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.40869565217391307 [2022-12-05 23:33:43,904 INFO L175 Difference]: Start difference. First operand has 31 places, 26 transitions, 100 flow. Second operand 5 states and 47 transitions. [2022-12-05 23:33:43,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 44 transitions, 242 flow [2022-12-05 23:33:43,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 44 transitions, 228 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-05 23:33:43,905 INFO L231 Difference]: Finished difference. Result has 34 places, 25 transitions, 118 flow [2022-12-05 23:33:43,905 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=118, PETRI_PLACES=34, PETRI_TRANSITIONS=25} [2022-12-05 23:33:43,906 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 0 predicate places. [2022-12-05 23:33:43,906 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:33:43,906 INFO L89 Accepts]: Start accepts. Operand has 34 places, 25 transitions, 118 flow [2022-12-05 23:33:43,907 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:33:43,907 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:33:43,907 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 25 transitions, 118 flow [2022-12-05 23:33:43,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 34 places, 25 transitions, 118 flow [2022-12-05 23:33:43,914 INFO L130 PetriNetUnfolder]: 2/40 cut-off events. [2022-12-05 23:33:43,914 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-12-05 23:33:43,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 40 events. 2/40 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 141 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 65. Up to 12 conditions per place. [2022-12-05 23:33:43,915 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 25 transitions, 118 flow [2022-12-05 23:33:43,915 INFO L188 LiptonReduction]: Number of co-enabled transitions 118 [2022-12-05 23:33:43,937 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:33:43,938 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 32 [2022-12-05 23:33:43,938 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 25 transitions, 118 flow [2022-12-05 23:33:43,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:33:43,939 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:33:43,939 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:33:43,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 23:33:43,939 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)] === [2022-12-05 23:33:43,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:33:43,939 INFO L85 PathProgramCache]: Analyzing trace with hash -75978161, now seen corresponding path program 1 times [2022-12-05 23:33:43,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:33:43,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103947156] [2022-12-05 23:33:43,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:33:43,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:33:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:33:44,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:33:44,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:33:44,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103947156] [2022-12-05 23:33:44,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103947156] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:33:44,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:33:44,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 23:33:44,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687692177] [2022-12-05 23:33:44,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:33:44,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-05 23:33:44,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:33:44,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-05 23:33:44,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-05 23:33:44,700 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 21 [2022-12-05 23:33:44,700 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 25 transitions, 118 flow. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:33:44,700 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:33:44,700 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 21 [2022-12-05 23:33:44,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:33:45,099 INFO L130 PetriNetUnfolder]: 174/357 cut-off events. [2022-12-05 23:33:45,099 INFO L131 PetriNetUnfolder]: For 273/273 co-relation queries the response was YES. [2022-12-05 23:33:45,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1017 conditions, 357 events. 174/357 cut-off events. For 273/273 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1602 event pairs, 16 based on Foata normal form. 8/301 useless extension candidates. Maximal degree in co-relation 471. Up to 100 conditions per place. [2022-12-05 23:33:45,100 INFO L137 encePairwiseOnDemand]: 12/21 looper letters, 30 selfloop transitions, 14 changer transitions 10/55 dead transitions. [2022-12-05 23:33:45,100 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 55 transitions, 345 flow [2022-12-05 23:33:45,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-05 23:33:45,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-05 23:33:45,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 60 transitions. [2022-12-05 23:33:45,102 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.35714285714285715 [2022-12-05 23:33:45,102 INFO L175 Difference]: Start difference. First operand has 34 places, 25 transitions, 118 flow. Second operand 8 states and 60 transitions. [2022-12-05 23:33:45,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 55 transitions, 345 flow [2022-12-05 23:33:45,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 55 transitions, 327 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 23:33:45,105 INFO L231 Difference]: Finished difference. Result has 40 places, 31 transitions, 186 flow [2022-12-05 23:33:45,105 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=21, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=186, PETRI_PLACES=40, PETRI_TRANSITIONS=31} [2022-12-05 23:33:45,106 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 6 predicate places. [2022-12-05 23:33:45,106 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:33:45,106 INFO L89 Accepts]: Start accepts. Operand has 40 places, 31 transitions, 186 flow [2022-12-05 23:33:45,107 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:33:45,107 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:33:45,107 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 31 transitions, 186 flow [2022-12-05 23:33:45,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 31 transitions, 186 flow [2022-12-05 23:33:45,117 INFO L130 PetriNetUnfolder]: 4/63 cut-off events. [2022-12-05 23:33:45,117 INFO L131 PetriNetUnfolder]: For 69/73 co-relation queries the response was YES. [2022-12-05 23:33:45,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 63 events. 4/63 cut-off events. For 69/73 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 297 event pairs, 0 based on Foata normal form. 1/51 useless extension candidates. Maximal degree in co-relation 143. Up to 22 conditions per place. [2022-12-05 23:33:45,118 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 31 transitions, 186 flow [2022-12-05 23:33:45,118 INFO L188 LiptonReduction]: Number of co-enabled transitions 138 [2022-12-05 23:33:45,134 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:33:45,134 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:33:45,137 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:33:45,137 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:33:46,348 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-05 23:33:46,349 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1243 [2022-12-05 23:33:46,349 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 31 transitions, 196 flow [2022-12-05 23:33:46,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:33:46,349 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:33:46,349 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:33:46,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-05 23:33:46,349 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 23:33:46,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:33:46,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1333857369, now seen corresponding path program 1 times [2022-12-05 23:33:46,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:33:46,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058595677] [2022-12-05 23:33:46,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:33:46,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:33:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:33:50,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:33:50,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:33:50,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058595677] [2022-12-05 23:33:50,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058595677] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:33:50,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:33:50,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 23:33:50,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687991537] [2022-12-05 23:33:50,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:33:50,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-05 23:33:50,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:33:50,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-05 23:33:50,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-05 23:33:50,585 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 23 [2022-12-05 23:33:50,585 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 31 transitions, 196 flow. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:33:50,585 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:33:50,585 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 23 [2022-12-05 23:33:50,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:33:50,939 INFO L130 PetriNetUnfolder]: 164/328 cut-off events. [2022-12-05 23:33:50,939 INFO L131 PetriNetUnfolder]: For 327/327 co-relation queries the response was YES. [2022-12-05 23:33:50,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1053 conditions, 328 events. 164/328 cut-off events. For 327/327 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1412 event pairs, 25 based on Foata normal form. 8/274 useless extension candidates. Maximal degree in co-relation 957. Up to 134 conditions per place. [2022-12-05 23:33:50,940 INFO L137 encePairwiseOnDemand]: 13/23 looper letters, 28 selfloop transitions, 13 changer transitions 16/58 dead transitions. [2022-12-05 23:33:50,940 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 58 transitions, 391 flow [2022-12-05 23:33:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-05 23:33:50,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-05 23:33:50,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 63 transitions. [2022-12-05 23:33:50,943 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3423913043478261 [2022-12-05 23:33:50,943 INFO L175 Difference]: Start difference. First operand has 40 places, 31 transitions, 196 flow. Second operand 8 states and 63 transitions. [2022-12-05 23:33:50,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 58 transitions, 391 flow [2022-12-05 23:33:50,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 58 transitions, 372 flow, removed 2 selfloop flow, removed 3 redundant places. [2022-12-05 23:33:50,946 INFO L231 Difference]: Finished difference. Result has 46 places, 31 transitions, 207 flow [2022-12-05 23:33:50,946 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=207, PETRI_PLACES=46, PETRI_TRANSITIONS=31} [2022-12-05 23:33:50,948 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 12 predicate places. [2022-12-05 23:33:50,948 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:33:50,948 INFO L89 Accepts]: Start accepts. Operand has 46 places, 31 transitions, 207 flow [2022-12-05 23:33:50,949 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:33:50,949 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:33:50,949 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 31 transitions, 207 flow [2022-12-05 23:33:50,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 31 transitions, 207 flow [2022-12-05 23:33:50,957 INFO L130 PetriNetUnfolder]: 6/50 cut-off events. [2022-12-05 23:33:50,958 INFO L131 PetriNetUnfolder]: For 95/97 co-relation queries the response was YES. [2022-12-05 23:33:50,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 50 events. 6/50 cut-off events. For 95/97 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 169 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 112. Up to 11 conditions per place. [2022-12-05 23:33:50,958 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 31 transitions, 207 flow [2022-12-05 23:33:50,958 INFO L188 LiptonReduction]: Number of co-enabled transitions 124 [2022-12-05 23:33:50,979 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [1058] L6690-->L6704-1: Formula: (let ((.cse0 (+ |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.offset_37| 20))) (and (= (store |v_#memory_int_144| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base_37| (store (select |v_#memory_int_144| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base_37|) .cse0 |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1_43|)) |v_#memory_int_143|) (not (< |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1_43| 0)) (= |v_#memory_$Pointer$.offset_83| (store |v_#memory_$Pointer$.offset_84| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base_37| (store (select |v_#memory_$Pointer$.offset_84| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base_37|) .cse0 (select (select |v_#memory_$Pointer$.offset_83| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base_37|) .cse0)))) (= (store |v_#memory_$Pointer$.base_84| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base_37| (store (select |v_#memory_$Pointer$.base_84| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base_37|) .cse0 (select (select |v_#memory_$Pointer$.base_83| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base_37|) .cse0))) |v_#memory_$Pointer$.base_83|))) InVars {whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1_43|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_84|, #memory_int=|v_#memory_int_144|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.offset=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.offset_37|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base_37|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_84|} OutVars{whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1_43|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_83|, #memory_int=|v_#memory_int_143|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.offset=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.offset_37|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_47|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base_37|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_83|} AuxVars[] AssignedVars[#memory_$Pointer$.base, #memory_int, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1, #memory_$Pointer$.offset] and [1208] $Ultimate##0-->L6717: Formula: (and (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_#in~args#1.base_15| |v_whoop_wrapper_read_nvramThread1of1ForFork0_~args#1.base_15|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~buf#1.offset_21| v_~whoop_buf~0.offset_36) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~ppos#1.offset_25| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_99|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.base_33| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~buf#1.base_21|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~buf#1.offset_21| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.offset_39|) (= v_~whoop_loff_t~0.offset_44 |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~ppos#1.offset_25|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~ppos#1.base_25| v_~whoop_loff_t~0.base_44) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.base_33| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~p~1#1.base_73|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg0#1_25| |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg0#1_25|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.offset_39| |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg1#1.offset_27|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~ppos#1.base_25| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_99|) (not (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#res#1_45| 0)) (<= |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#res#1_45| 2147483647) (= v_~whoop_file_1~0.offset_48 |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~file#1.offset_23|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_~args#1.offset_15| |v_whoop_wrapper_read_nvramThread1of1ForFork0_#in~args#1.offset_15|) (< (select (select |v_#memory_int_312| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_99|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_99|) v_~nvram_len~0_79) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg2#1_27| |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg2#1_27|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.base_33| |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg1#1.base_27|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~file#1.base_23| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~file#1.base_21|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~file#1.offset_23| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~file#1.offset_21|) (<= 0 (+ |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#res#1_45| 2147483648)) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1_77| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~count#1_25|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg0#1_25| 1) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg2#1_27| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1_77|) (= v_~whoop_int~0_64 |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~count#1_25|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg1#1.base_27| |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg1#1.base_27|) (= v_~whoop_file_1~0.base_48 |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~file#1.base_23|) (= v_~whoop_buf~0.base_36 |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~buf#1.base_21|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg1#1.offset_27| |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg1#1.offset_27|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~p~1#1.offset_79| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.offset_39|)) InVars {whoop_wrapper_read_nvramThread1of1ForFork0_#in~args#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_#in~args#1.base_15|, ~whoop_file_1~0.base=v_~whoop_file_1~0.base_48, ~whoop_loff_t~0.base=v_~whoop_loff_t~0.base_44, #memory_int=|v_#memory_int_312|, ~whoop_buf~0.offset=v_~whoop_buf~0.offset_36, whoop_wrapper_read_nvramThread1of1ForFork0_#in~args#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_#in~args#1.offset_15|, ~whoop_file_1~0.offset=v_~whoop_file_1~0.offset_48, ~whoop_loff_t~0.offset=v_~whoop_loff_t~0.offset_44, ~nvram_len~0=v_~nvram_len~0_79, ~whoop_buf~0.base=v_~whoop_buf~0.base_36, ~whoop_int~0=v_~whoop_int~0_64} OutVars{whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~ppos#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~ppos#1.offset_25|, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg0#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg0#1_25|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.base_33|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~p~1#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~p~1#1.base_73|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~ppos#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~ppos#1.base_25|, ~whoop_buf~0.offset=v_~whoop_buf~0.offset_36, ~whoop_file_1~0.offset=v_~whoop_file_1~0.offset_48, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg0#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg0#1_25|, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#t~nondet1103#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#t~nondet1103#1_57|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1138#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1138#1_37|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1137#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1137#1.offset_41|, ~whoop_loff_t~0.base=v_~whoop_loff_t~0.base_44, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1_77|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~buf#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~buf#1.offset_21|, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg2#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg2#1_27|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1_113|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~count#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~count#1_25|, whoop_wrapper_read_nvramThread1of1ForFork0_~args#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_~args#1.offset_15|, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg2#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg2#1_27|, ~whoop_buf~0.base=v_~whoop_buf~0.base_36, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1137#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1137#1.base_41|, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#res#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#res#1_45|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~ret1139#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~ret1139#1_49|, ~whoop_int~0=v_~whoop_int~0_64, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.offset_39|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~mem1134#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~mem1134#1_59|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_99|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~ret1133#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~ret1133#1_81|, whoop_wrapper_read_nvramThread1of1ForFork0_#in~args#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_#in~args#1.offset_15|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~file#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~file#1.offset_23|, whoop_wrapper_read_nvramThread1of1ForFork0_#in~args#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_#in~args#1.base_15|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#res#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#res#1_59|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~file#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~file#1.offset_21|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~mem1135#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~mem1135#1_35|, ~nvram_len~0=v_~nvram_len~0_79, whoop_wrapper_read_nvramThread1of1ForFork0_~args#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_~args#1.base_15|, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg1#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg1#1.offset_27|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~p~1#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~p~1#1.offset_79|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_99|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~mem1141#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~mem1141#1_47|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~buf#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~buf#1.base_21|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1136#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1136#1_37|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~file#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~file#1.base_23|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~ret1140#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~ret1140#1_61|, ~whoop_file_1~0.base=v_~whoop_file_1~0.base_48, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg1#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg1#1.offset_27|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~file#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~file#1.base_21|, #memory_int=|v_#memory_int_312|, ~whoop_loff_t~0.offset=v_~whoop_loff_t~0.offset_44, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg1#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg1#1.base_27|, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg1#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg1#1.base_27|} AuxVars[] AssignedVars[whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~ppos#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~mem1134#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~ret1133#1, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg0#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.base, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~p~1#1.base, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~ppos#1.base, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~file#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg0#1, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#t~nondet1103#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1138#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#res#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~file#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~mem1135#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1137#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~buf#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg2#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~count#1, whoop_wrapper_read_nvramThread1of1ForFork0_~args#1.base, whoop_wrapper_read_nvramThread1of1ForFork0_~args#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg1#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg2#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~p~1#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~mem1141#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~buf#1.base, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1136#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~file#1.base, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~ret1140#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1137#1.base, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg1#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#res#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~file#1.base, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~ret1139#1, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg1#1.base, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg1#1.base] [2022-12-05 23:33:51,257 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-05 23:33:51,258 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 310 [2022-12-05 23:33:51,258 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 30 transitions, 205 flow [2022-12-05 23:33:51,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:33:51,259 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:33:51,259 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:33:51,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-05 23:33:51,259 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 23:33:51,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:33:51,259 INFO L85 PathProgramCache]: Analyzing trace with hash -595959067, now seen corresponding path program 1 times [2022-12-05 23:33:51,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:33:51,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522371500] [2022-12-05 23:33:51,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:33:51,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:33:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:33:51,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:33:51,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:33:51,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522371500] [2022-12-05 23:33:51,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522371500] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:33:51,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:33:51,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 23:33:51,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106406561] [2022-12-05 23:33:51,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:33:51,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 23:33:51,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:33:51,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 23:33:51,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-05 23:33:51,692 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 24 [2022-12-05 23:33:51,692 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 30 transitions, 205 flow. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:33:51,692 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:33:51,692 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 24 [2022-12-05 23:33:51,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:33:51,918 INFO L130 PetriNetUnfolder]: 104/220 cut-off events. [2022-12-05 23:33:51,918 INFO L131 PetriNetUnfolder]: For 421/421 co-relation queries the response was YES. [2022-12-05 23:33:51,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 723 conditions, 220 events. 104/220 cut-off events. For 421/421 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 881 event pairs, 26 based on Foata normal form. 8/194 useless extension candidates. Maximal degree in co-relation 543. Up to 116 conditions per place. [2022-12-05 23:33:51,919 INFO L137 encePairwiseOnDemand]: 15/24 looper letters, 21 selfloop transitions, 11 changer transitions 5/38 dead transitions. [2022-12-05 23:33:51,919 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 38 transitions, 303 flow [2022-12-05 23:33:51,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:33:51,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:33:51,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 40 transitions. [2022-12-05 23:33:51,920 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2022-12-05 23:33:51,920 INFO L175 Difference]: Start difference. First operand has 45 places, 30 transitions, 205 flow. Second operand 5 states and 40 transitions. [2022-12-05 23:33:51,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 38 transitions, 303 flow [2022-12-05 23:33:51,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 38 transitions, 284 flow, removed 2 selfloop flow, removed 5 redundant places. [2022-12-05 23:33:51,921 INFO L231 Difference]: Finished difference. Result has 45 places, 29 transitions, 204 flow [2022-12-05 23:33:51,921 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=204, PETRI_PLACES=45, PETRI_TRANSITIONS=29} [2022-12-05 23:33:51,922 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 11 predicate places. [2022-12-05 23:33:51,922 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:33:51,922 INFO L89 Accepts]: Start accepts. Operand has 45 places, 29 transitions, 204 flow [2022-12-05 23:33:51,922 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:33:51,922 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:33:51,923 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 29 transitions, 204 flow [2022-12-05 23:33:51,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 29 transitions, 204 flow [2022-12-05 23:33:51,930 INFO L130 PetriNetUnfolder]: 5/48 cut-off events. [2022-12-05 23:33:51,930 INFO L131 PetriNetUnfolder]: For 113/115 co-relation queries the response was YES. [2022-12-05 23:33:51,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 48 events. 5/48 cut-off events. For 113/115 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 174 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 103. Up to 11 conditions per place. [2022-12-05 23:33:51,931 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 29 transitions, 204 flow [2022-12-05 23:33:51,931 INFO L188 LiptonReduction]: Number of co-enabled transitions 114 [2022-12-05 23:33:51,941 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:33:51,942 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 20 [2022-12-05 23:33:51,942 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 29 transitions, 204 flow [2022-12-05 23:33:51,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:33:51,942 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:33:51,942 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:33:51,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-05 23:33:51,942 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 23:33:51,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:33:51,942 INFO L85 PathProgramCache]: Analyzing trace with hash -554971805, now seen corresponding path program 1 times [2022-12-05 23:33:51,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:33:51,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788435983] [2022-12-05 23:33:51,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:33:51,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:33:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:33:52,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:33:52,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:33:52,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788435983] [2022-12-05 23:33:52,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788435983] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:33:52,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:33:52,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 23:33:52,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476024674] [2022-12-05 23:33:52,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:33:52,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 23:33:52,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:33:52,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 23:33:52,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-05 23:33:52,419 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 23 [2022-12-05 23:33:52,419 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 29 transitions, 204 flow. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:33:52,419 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:33:52,419 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 23 [2022-12-05 23:33:52,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:33:52,742 INFO L130 PetriNetUnfolder]: 148/305 cut-off events. [2022-12-05 23:33:52,742 INFO L131 PetriNetUnfolder]: For 622/622 co-relation queries the response was YES. [2022-12-05 23:33:52,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1034 conditions, 305 events. 148/305 cut-off events. For 622/622 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1296 event pairs, 38 based on Foata normal form. 8/253 useless extension candidates. Maximal degree in co-relation 755. Up to 100 conditions per place. [2022-12-05 23:33:52,743 INFO L137 encePairwiseOnDemand]: 14/23 looper letters, 24 selfloop transitions, 9 changer transitions 14/48 dead transitions. [2022-12-05 23:33:52,743 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 48 transitions, 375 flow [2022-12-05 23:33:52,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 23:33:52,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 23:33:52,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2022-12-05 23:33:52,744 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3695652173913043 [2022-12-05 23:33:52,744 INFO L175 Difference]: Start difference. First operand has 45 places, 29 transitions, 204 flow. Second operand 6 states and 51 transitions. [2022-12-05 23:33:52,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 48 transitions, 375 flow [2022-12-05 23:33:52,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 48 transitions, 335 flow, removed 1 selfloop flow, removed 5 redundant places. [2022-12-05 23:33:52,746 INFO L231 Difference]: Finished difference. Result has 46 places, 28 transitions, 182 flow [2022-12-05 23:33:52,747 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=182, PETRI_PLACES=46, PETRI_TRANSITIONS=28} [2022-12-05 23:33:52,747 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 12 predicate places. [2022-12-05 23:33:52,747 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:33:52,747 INFO L89 Accepts]: Start accepts. Operand has 46 places, 28 transitions, 182 flow [2022-12-05 23:33:52,748 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:33:52,748 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:33:52,748 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 28 transitions, 182 flow [2022-12-05 23:33:52,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 28 transitions, 182 flow [2022-12-05 23:33:52,755 INFO L130 PetriNetUnfolder]: 3/45 cut-off events. [2022-12-05 23:33:52,755 INFO L131 PetriNetUnfolder]: For 83/85 co-relation queries the response was YES. [2022-12-05 23:33:52,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 45 events. 3/45 cut-off events. For 83/85 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 162 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 126. Up to 11 conditions per place. [2022-12-05 23:33:52,756 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 28 transitions, 182 flow [2022-12-05 23:33:52,756 INFO L188 LiptonReduction]: Number of co-enabled transitions 112 [2022-12-05 23:33:52,763 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:33:52,764 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 17 [2022-12-05 23:33:52,764 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 28 transitions, 182 flow [2022-12-05 23:33:52,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:33:52,764 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:33:52,764 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:33:52,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-05 23:33:52,765 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)] === [2022-12-05 23:33:52,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:33:52,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1819684878, now seen corresponding path program 1 times [2022-12-05 23:33:52,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:33:52,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966734793] [2022-12-05 23:33:52,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:33:52,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:33:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:33:53,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:33:53,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:33:53,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966734793] [2022-12-05 23:33:53,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966734793] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:33:53,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:33:53,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 23:33:53,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152319682] [2022-12-05 23:33:53,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:33:53,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-05 23:33:53,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:33:53,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-05 23:33:53,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-05 23:33:53,351 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 22 [2022-12-05 23:33:53,351 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 28 transitions, 182 flow. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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) [2022-12-05 23:33:53,351 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:33:53,351 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 22 [2022-12-05 23:33:53,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:33:53,598 INFO L130 PetriNetUnfolder]: 100/216 cut-off events. [2022-12-05 23:33:53,598 INFO L131 PetriNetUnfolder]: For 363/363 co-relation queries the response was YES. [2022-12-05 23:33:53,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 721 conditions, 216 events. 100/216 cut-off events. For 363/363 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 857 event pairs, 24 based on Foata normal form. 8/190 useless extension candidates. Maximal degree in co-relation 670. Up to 106 conditions per place. [2022-12-05 23:33:53,599 INFO L137 encePairwiseOnDemand]: 15/22 looper letters, 20 selfloop transitions, 8 changer transitions 8/37 dead transitions. [2022-12-05 23:33:53,599 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 37 transitions, 287 flow [2022-12-05 23:33:53,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:33:53,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:33:53,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 39 transitions. [2022-12-05 23:33:53,600 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.35454545454545455 [2022-12-05 23:33:53,600 INFO L175 Difference]: Start difference. First operand has 45 places, 28 transitions, 182 flow. Second operand 5 states and 39 transitions. [2022-12-05 23:33:53,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 37 transitions, 287 flow [2022-12-05 23:33:53,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 37 transitions, 265 flow, removed 1 selfloop flow, removed 5 redundant places. [2022-12-05 23:33:53,602 INFO L231 Difference]: Finished difference. Result has 45 places, 25 transitions, 159 flow [2022-12-05 23:33:53,602 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=159, PETRI_PLACES=45, PETRI_TRANSITIONS=25} [2022-12-05 23:33:53,602 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 11 predicate places. [2022-12-05 23:33:53,602 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:33:53,602 INFO L89 Accepts]: Start accepts. Operand has 45 places, 25 transitions, 159 flow [2022-12-05 23:33:53,603 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:33:53,603 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:33:53,603 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 25 transitions, 159 flow [2022-12-05 23:33:53,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 25 transitions, 159 flow [2022-12-05 23:33:53,609 INFO L130 PetriNetUnfolder]: 2/37 cut-off events. [2022-12-05 23:33:53,610 INFO L131 PetriNetUnfolder]: For 56/58 co-relation queries the response was YES. [2022-12-05 23:33:53,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 37 events. 2/37 cut-off events. For 56/58 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 114 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 98. Up to 11 conditions per place. [2022-12-05 23:33:53,610 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 25 transitions, 159 flow [2022-12-05 23:33:53,610 INFO L188 LiptonReduction]: Number of co-enabled transitions 104 [2022-12-05 23:33:53,633 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:33:53,634 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 32 [2022-12-05 23:33:53,634 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 25 transitions, 159 flow [2022-12-05 23:33:53,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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) [2022-12-05 23:33:53,634 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:33:53,634 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:33:53,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-05 23:33:53,634 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 23:33:53,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:33:53,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1295025881, now seen corresponding path program 2 times [2022-12-05 23:33:53,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:33:53,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131753766] [2022-12-05 23:33:53,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:33:53,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:33:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:33:54,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:33:54,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:33:54,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131753766] [2022-12-05 23:33:54,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131753766] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:33:54,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:33:54,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 23:33:54,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294813047] [2022-12-05 23:33:54,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:33:54,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-05 23:33:54,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:33:54,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-05 23:33:54,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-05 23:33:54,212 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 21 [2022-12-05 23:33:54,213 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 25 transitions, 159 flow. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:33:54,213 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:33:54,213 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 21 [2022-12-05 23:33:54,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:33:54,622 INFO L130 PetriNetUnfolder]: 83/173 cut-off events. [2022-12-05 23:33:54,623 INFO L131 PetriNetUnfolder]: For 314/314 co-relation queries the response was YES. [2022-12-05 23:33:54,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 574 conditions, 173 events. 83/173 cut-off events. For 314/314 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 606 event pairs, 11 based on Foata normal form. 8/151 useless extension candidates. Maximal degree in co-relation 519. Up to 73 conditions per place. [2022-12-05 23:33:54,623 INFO L137 encePairwiseOnDemand]: 14/21 looper letters, 13 selfloop transitions, 5 changer transitions 19/37 dead transitions. [2022-12-05 23:33:54,623 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 37 transitions, 255 flow [2022-12-05 23:33:54,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-05 23:33:54,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-05 23:33:54,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 43 transitions. [2022-12-05 23:33:54,624 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.2925170068027211 [2022-12-05 23:33:54,624 INFO L175 Difference]: Start difference. First operand has 44 places, 25 transitions, 159 flow. Second operand 7 states and 43 transitions. [2022-12-05 23:33:54,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 37 transitions, 255 flow [2022-12-05 23:33:54,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 37 transitions, 215 flow, removed 3 selfloop flow, removed 8 redundant places. [2022-12-05 23:33:54,625 INFO L231 Difference]: Finished difference. Result has 41 places, 16 transitions, 84 flow [2022-12-05 23:33:54,625 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=21, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=84, PETRI_PLACES=41, PETRI_TRANSITIONS=16} [2022-12-05 23:33:54,626 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 7 predicate places. [2022-12-05 23:33:54,626 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:33:54,626 INFO L89 Accepts]: Start accepts. Operand has 41 places, 16 transitions, 84 flow [2022-12-05 23:33:54,626 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:33:54,626 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:33:54,626 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 16 transitions, 84 flow [2022-12-05 23:33:54,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 16 transitions, 84 flow [2022-12-05 23:33:54,631 INFO L130 PetriNetUnfolder]: 1/18 cut-off events. [2022-12-05 23:33:54,632 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-05 23:33:54,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 18 events. 1/18 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 16 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 38. Up to 7 conditions per place. [2022-12-05 23:33:54,632 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 16 transitions, 84 flow [2022-12-05 23:33:54,632 INFO L188 LiptonReduction]: Number of co-enabled transitions 26 [2022-12-05 23:33:54,638 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [1246] $Ultimate##0-->L6690: Formula: (let ((.cse1 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~origin#1_Out_10| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~origin#1_Out_6|)) (.cse2 (<= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_#t~nondet1160#1_In_5| 2147483647)) (.cse3 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~file#1.base_Out_6| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base_Out_8|)) (.cse4 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~file#1.base_Out_6| v_~whoop_file_3~0.base_In_3)) (.cse5 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_~args#1.offset_Out_2| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_#in~args#1.offset_In_1|)) (.cse12 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~origin#1_Out_10| 1)) (.cse6 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~file#1.offset_Out_6| v_~whoop_file_3~0.offset_In_3)) (.cse0 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~origin#1_Out_10| 0)) (.cse7 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~offset#1_Out_6| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_#t~nondet1160#1_In_5|)) (.cse8 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_#in~args#1.base_In_1| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_~args#1.base_Out_2|)) (.cse9 (= v_~whoop_int~0_In_5 |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~origin#1_Out_6|)) (.cse10 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~file#1.offset_Out_6| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.offset_Out_8|)) (.cse13 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~origin#1_Out_10| 2)) (.cse11 (<= 0 (+ |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_#t~nondet1160#1_In_5| 2147483648)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~offset#1_Out_6| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1_Out_26|) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_Out_22|) (and .cse1 .cse2 .cse3 .cse4 .cse12 (not |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_179|) .cse5 (= (+ |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~offset#1_Out_6| (select (select |v_#memory_int_In_49| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base_Out_8|) (+ |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.offset_Out_8| 20))) |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1_Out_26|) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_Out_22|) (and .cse1 .cse2 .cse3 .cse4 .cse5 (not |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_174|) (not |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_175|) .cse6 .cse7 .cse8 .cse9 (= (+ |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~offset#1_Out_6| v_~nvram_len~0_In_8) |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1_Out_26|) .cse10 .cse13 .cse11 |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_Out_22|) (and (not |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_178|) .cse1 (not |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_177|) .cse2 .cse3 .cse4 (not |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_176|) .cse5 (not .cse12) .cse6 (not .cse0) .cse7 .cse8 .cse9 .cse10 (not .cse13) .cse11 (= (+ |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1_Out_26| 1) 0) |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_Out_22|))) InVars {~whoop_file_3~0.offset=v_~whoop_file_3~0.offset_In_3, whoop_wrapper_nvram_llseekThread1of1ForFork1_#in~args#1.offset=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_#in~args#1.offset_In_1|, #memory_int=|v_#memory_int_In_49|, whoop_wrapper_nvram_llseekThread1of1ForFork1_#in~args#1.base=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_#in~args#1.base_In_1|, ~nvram_len~0=v_~nvram_len~0_In_8, ~whoop_int~0=v_~whoop_int~0_In_5, whoop_wrapper_nvram_llseekThread1of1ForFork1_#t~nondet1160#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_#t~nondet1160#1_In_5|, ~whoop_file_3~0.base=v_~whoop_file_3~0.base_In_3} OutVars{~whoop_file_3~0.offset=v_~whoop_file_3~0.offset_In_3, whoop_wrapper_nvram_llseekThread1of1ForFork1_#in~args#1.offset=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_#in~args#1.offset_In_1|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1_Out_26|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1131#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1131#1_Out_6|, whoop_wrapper_nvram_llseekThread1of1ForFork1_#in~args#1.base=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_#in~args#1.base_In_1|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_Out_22|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.offset=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.offset_Out_8|, whoop_wrapper_nvram_llseekThread1of1ForFork1_#t~nondet1160#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_#t~nondet1160#1_In_5|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~file#1.offset=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~file#1.offset_Out_6|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~offset#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~offset#1_Out_6|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~file#1.base=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~file#1.base_Out_6|, whoop_wrapper_nvram_llseekThread1of1ForFork1_~args#1.base=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_~args#1.base_Out_2|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#res#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#res#1_Out_14|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1132#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1132#1_Out_10|, #memory_int=|v_#memory_int_In_49|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1130#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1130#1_Out_16|, whoop_wrapper_nvram_llseekThread1of1ForFork1_~args#1.offset=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_~args#1.offset_Out_2|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~origin#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~origin#1_Out_6|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~origin#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~origin#1_Out_10|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base_Out_8|, ~nvram_len~0=v_~nvram_len~0_In_8, ~whoop_int~0=v_~whoop_int~0_In_5, ~whoop_file_3~0.base=v_~whoop_file_3~0.base_In_3} AuxVars[|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_176|, |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_175|, |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_178|, |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_177|, |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_179|, |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_174|] AssignedVars[whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1131#1, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.offset, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~file#1.offset, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~offset#1, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~file#1.base, whoop_wrapper_nvram_llseekThread1of1ForFork1_~args#1.base, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#res#1, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1132#1, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1130#1, whoop_wrapper_nvram_llseekThread1of1ForFork1_~args#1.offset, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~origin#1, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~origin#1, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base] and [1208] $Ultimate##0-->L6717: Formula: (and (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_#in~args#1.base_15| |v_whoop_wrapper_read_nvramThread1of1ForFork0_~args#1.base_15|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~buf#1.offset_21| v_~whoop_buf~0.offset_36) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~ppos#1.offset_25| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_99|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.base_33| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~buf#1.base_21|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~buf#1.offset_21| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.offset_39|) (= v_~whoop_loff_t~0.offset_44 |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~ppos#1.offset_25|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~ppos#1.base_25| v_~whoop_loff_t~0.base_44) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.base_33| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~p~1#1.base_73|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg0#1_25| |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg0#1_25|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.offset_39| |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg1#1.offset_27|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~ppos#1.base_25| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_99|) (not (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#res#1_45| 0)) (<= |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#res#1_45| 2147483647) (= v_~whoop_file_1~0.offset_48 |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~file#1.offset_23|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_~args#1.offset_15| |v_whoop_wrapper_read_nvramThread1of1ForFork0_#in~args#1.offset_15|) (< (select (select |v_#memory_int_312| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_99|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_99|) v_~nvram_len~0_79) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg2#1_27| |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg2#1_27|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.base_33| |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg1#1.base_27|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~file#1.base_23| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~file#1.base_21|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~file#1.offset_23| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~file#1.offset_21|) (<= 0 (+ |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#res#1_45| 2147483648)) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1_77| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~count#1_25|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg0#1_25| 1) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg2#1_27| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1_77|) (= v_~whoop_int~0_64 |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~count#1_25|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg1#1.base_27| |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg1#1.base_27|) (= v_~whoop_file_1~0.base_48 |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~file#1.base_23|) (= v_~whoop_buf~0.base_36 |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~buf#1.base_21|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg1#1.offset_27| |v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg1#1.offset_27|) (= |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~p~1#1.offset_79| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.offset_39|)) InVars {whoop_wrapper_read_nvramThread1of1ForFork0_#in~args#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_#in~args#1.base_15|, ~whoop_file_1~0.base=v_~whoop_file_1~0.base_48, ~whoop_loff_t~0.base=v_~whoop_loff_t~0.base_44, #memory_int=|v_#memory_int_312|, ~whoop_buf~0.offset=v_~whoop_buf~0.offset_36, whoop_wrapper_read_nvramThread1of1ForFork0_#in~args#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_#in~args#1.offset_15|, ~whoop_file_1~0.offset=v_~whoop_file_1~0.offset_48, ~whoop_loff_t~0.offset=v_~whoop_loff_t~0.offset_44, ~nvram_len~0=v_~nvram_len~0_79, ~whoop_buf~0.base=v_~whoop_buf~0.base_36, ~whoop_int~0=v_~whoop_int~0_64} OutVars{whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~ppos#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~ppos#1.offset_25|, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg0#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg0#1_25|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.base_33|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~p~1#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~p~1#1.base_73|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~ppos#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~ppos#1.base_25|, ~whoop_buf~0.offset=v_~whoop_buf~0.offset_36, ~whoop_file_1~0.offset=v_~whoop_file_1~0.offset_48, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg0#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg0#1_25|, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#t~nondet1103#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#t~nondet1103#1_57|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1138#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1138#1_37|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1137#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1137#1.offset_41|, ~whoop_loff_t~0.base=v_~whoop_loff_t~0.base_44, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1_77|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~buf#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~buf#1.offset_21|, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg2#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg2#1_27|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1_113|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~count#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~count#1_25|, whoop_wrapper_read_nvramThread1of1ForFork0_~args#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_~args#1.offset_15|, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg2#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg2#1_27|, ~whoop_buf~0.base=v_~whoop_buf~0.base_36, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1137#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1137#1.base_41|, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#res#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#res#1_45|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~ret1139#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~ret1139#1_49|, ~whoop_int~0=v_~whoop_int~0_64, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.offset_39|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~mem1134#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~mem1134#1_59|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_99|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~ret1133#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~ret1133#1_81|, whoop_wrapper_read_nvramThread1of1ForFork0_#in~args#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_#in~args#1.offset_15|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~file#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~file#1.offset_23|, whoop_wrapper_read_nvramThread1of1ForFork0_#in~args#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_#in~args#1.base_15|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#res#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#res#1_59|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~file#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~file#1.offset_21|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~mem1135#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~mem1135#1_35|, ~nvram_len~0=v_~nvram_len~0_79, whoop_wrapper_read_nvramThread1of1ForFork0_~args#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_~args#1.base_15|, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg1#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg1#1.offset_27|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~p~1#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~p~1#1.offset_79|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_99|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~mem1141#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~mem1141#1_47|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~buf#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~buf#1.base_21|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1136#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1136#1_37|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~file#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~file#1.base_23|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~ret1140#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~ret1140#1_61|, ~whoop_file_1~0.base=v_~whoop_file_1~0.base_48, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg1#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg1#1.offset_27|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~file#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~file#1.base_21|, #memory_int=|v_#memory_int_312|, ~whoop_loff_t~0.offset=v_~whoop_loff_t~0.offset_44, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg1#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg1#1.base_27|, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg1#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg1#1.base_27|} AuxVars[] AssignedVars[whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~ppos#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~mem1134#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~ret1133#1, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg0#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~buf#1.base, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~p~1#1.base, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~ppos#1.base, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~file#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg0#1, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#t~nondet1103#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1138#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#res#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~file#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~mem1135#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1137#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~buf#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg2#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~count#1, whoop_wrapper_read_nvramThread1of1ForFork0_~args#1.base, whoop_wrapper_read_nvramThread1of1ForFork0_~args#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg1#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg2#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~p~1#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~mem1141#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~buf#1.base, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1136#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#in~file#1.base, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~ret1140#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~pre1137#1.base, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg1#1.offset, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#res#1, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~file#1.base, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_#t~ret1139#1, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_~arg1#1.base, whoop_wrapper_read_nvramThread1of1ForFork0_access_ok_#in~arg1#1.base] [2022-12-05 23:33:55,579 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-05 23:33:55,580 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 954 [2022-12-05 23:33:55,580 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 15 transitions, 80 flow [2022-12-05 23:33:55,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:33:55,580 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:33:55,580 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:33:55,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-05 23:33:55,580 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)] === [2022-12-05 23:33:55,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:33:55,581 INFO L85 PathProgramCache]: Analyzing trace with hash -543504192, now seen corresponding path program 1 times [2022-12-05 23:33:55,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:33:55,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792007602] [2022-12-05 23:33:55,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:33:55,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:33:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:33:58,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:33:58,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:33:58,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792007602] [2022-12-05 23:33:58,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792007602] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:33:58,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:33:58,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 23:33:58,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012639398] [2022-12-05 23:33:58,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:33:58,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 23:33:58,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:33:58,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 23:33:58,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-05 23:33:58,839 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 15 [2022-12-05 23:33:58,839 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 15 transitions, 80 flow. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2022-12-05 23:33:58,839 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:33:58,840 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 15 [2022-12-05 23:33:58,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:33:59,081 INFO L130 PetriNetUnfolder]: 13/34 cut-off events. [2022-12-05 23:33:59,082 INFO L131 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2022-12-05 23:33:59,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 34 events. 13/34 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 50 event pairs, 0 based on Foata normal form. 8/38 useless extension candidates. Maximal degree in co-relation 108. Up to 21 conditions per place. [2022-12-05 23:33:59,082 INFO L137 encePairwiseOnDemand]: 11/15 looper letters, 0 selfloop transitions, 0 changer transitions 18/18 dead transitions. [2022-12-05 23:33:59,082 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 18 transitions, 120 flow [2022-12-05 23:33:59,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:33:59,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:33:59,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2022-12-05 23:33:59,083 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.25333333333333335 [2022-12-05 23:33:59,083 INFO L175 Difference]: Start difference. First operand has 31 places, 15 transitions, 80 flow. Second operand 5 states and 19 transitions. [2022-12-05 23:33:59,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 18 transitions, 120 flow [2022-12-05 23:33:59,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 18 transitions, 86 flow, removed 2 selfloop flow, removed 10 redundant places. [2022-12-05 23:33:59,083 INFO L231 Difference]: Finished difference. Result has 24 places, 0 transitions, 0 flow [2022-12-05 23:33:59,083 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=15, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=24, PETRI_TRANSITIONS=0} [2022-12-05 23:33:59,084 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, -10 predicate places. [2022-12-05 23:33:59,084 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:33:59,084 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 24 places, 0 transitions, 0 flow [2022-12-05 23:33:59,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-05 23:33:59,084 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-05 23:33:59,084 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:33:59,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-05 23:33:59,084 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-05 23:33:59,084 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-05 23:33:59,084 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:33:59,085 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1 [2022-12-05 23:33:59,085 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-05 23:33:59,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2022-12-05 23:33:59,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-12-05 23:33:59,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2022-12-05 23:33:59,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2022-12-05 23:33:59,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-12-05 23:33:59,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-12-05 23:33:59,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-12-05 23:33:59,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-05 23:33:59,087 INFO L458 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:33:59,090 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 23:33:59,090 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 23:33:59,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 11:33:59 BasicIcfg [2022-12-05 23:33:59,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 23:33:59,092 INFO L158 Benchmark]: Toolchain (without parser) took 533842.59ms. Allocated memory was 196.1MB in the beginning and 767.6MB in the end (delta: 571.5MB). Free memory was 160.8MB in the beginning and 266.2MB in the end (delta: -105.4MB). Peak memory consumption was 467.1MB. Max. memory is 8.0GB. [2022-12-05 23:33:59,092 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 196.1MB. Free memory is still 172.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 23:33:59,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3678.23ms. Allocated memory was 196.1MB in the beginning and 284.2MB in the end (delta: 88.1MB). Free memory was 160.8MB in the beginning and 165.5MB in the end (delta: -4.6MB). Peak memory consumption was 115.4MB. Max. memory is 8.0GB. [2022-12-05 23:33:59,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.60ms. Allocated memory is still 284.2MB. Free memory was 165.5MB in the beginning and 156.6MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-12-05 23:33:59,093 INFO L158 Benchmark]: Boogie Preprocessor took 56.79ms. Allocated memory is still 284.2MB. Free memory was 156.6MB in the beginning and 152.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-12-05 23:33:59,093 INFO L158 Benchmark]: RCFGBuilder took 782.23ms. Allocated memory is still 284.2MB. Free memory was 152.4MB in the beginning and 214.4MB in the end (delta: -62.1MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2022-12-05 23:33:59,093 INFO L158 Benchmark]: TraceAbstraction took 529214.68ms. Allocated memory was 284.2MB in the beginning and 767.6MB in the end (delta: 483.4MB). Free memory was 213.9MB in the beginning and 266.2MB in the end (delta: -52.3MB). Peak memory consumption was 431.6MB. Max. memory is 8.0GB. [2022-12-05 23:33:59,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 196.1MB. Free memory is still 172.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3678.23ms. Allocated memory was 196.1MB in the beginning and 284.2MB in the end (delta: 88.1MB). Free memory was 160.8MB in the beginning and 165.5MB in the end (delta: -4.6MB). Peak memory consumption was 115.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 105.60ms. Allocated memory is still 284.2MB. Free memory was 165.5MB in the beginning and 156.6MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 56.79ms. Allocated memory is still 284.2MB. Free memory was 156.6MB in the beginning and 152.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 782.23ms. Allocated memory is still 284.2MB. Free memory was 152.4MB in the beginning and 214.4MB in the end (delta: -62.1MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * TraceAbstraction took 529214.68ms. Allocated memory was 284.2MB in the beginning and 767.6MB in the end (delta: 483.4MB). Free memory was 213.9MB in the beginning and 266.2MB in the end (delta: -52.3MB). Peak memory consumption was 431.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 510.6s, 321 PlacesBefore, 34 PlacesAfterwards, 329 TransitionsBefore, 32 TransitionsAfterwards, 10796 CoEnabledTransitionPairs, 4 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 175 TrivialYvCompositions, 121 ConcurrentYvCompositions, 7 ChoiceCompositions, 307 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7734, independent: 7651, independent conditional: 7651, independent unconditional: 0, dependent: 83, dependent conditional: 83, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7734, independent: 7651, independent conditional: 0, independent unconditional: 7651, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7734, independent: 7651, independent conditional: 0, independent unconditional: 7651, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7734, independent: 7651, independent conditional: 0, independent unconditional: 7651, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6272, independent: 6236, independent conditional: 0, independent unconditional: 6236, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6272, independent: 6219, independent conditional: 0, independent unconditional: 6219, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 53, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 86, dependent conditional: 0, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7734, independent: 1415, independent conditional: 0, independent unconditional: 1415, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 6272, unknown conditional: 0, unknown unconditional: 6272] , Statistics on independence cache: Total cache size (in pairs): 13455, Positive cache size: 13419, Positive conditional cache size: 0, Positive unconditional cache size: 13419, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 33 PlacesBefore, 33 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 412 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67, independent: 50, independent conditional: 50, independent unconditional: 0, dependent: 17, dependent conditional: 17, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 67, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 67, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 67, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 36, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 36, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 67, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 36, unknown conditional: 0, unknown unconditional: 36] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, 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, 31 PlacesBefore, 31 PlacesAfterwards, 27 TransitionsBefore, 26 TransitionsAfterwards, 156 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 79, independent: 67, independent conditional: 67, independent unconditional: 0, dependent: 12, dependent conditional: 12, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 79, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 79, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 79, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 6, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 79, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 37, unknown conditional: 2, unknown unconditional: 35] , Statistics on independence cache: Total cache size (in pairs): 73, Positive cache size: 61, Positive conditional cache size: 0, Positive unconditional cache size: 61, Negative cache size: 12, Negative conditional cache size: 2, Negative unconditional cache size: 10, 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, 34 PlacesBefore, 34 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 118 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, independent: 19, independent conditional: 19, independent unconditional: 0, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 26, independent: 19, independent conditional: 9, independent unconditional: 10, dependent: 7, dependent conditional: 6, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26, independent: 19, independent conditional: 9, independent unconditional: 10, dependent: 7, dependent conditional: 6, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26, independent: 19, independent conditional: 9, independent unconditional: 10, dependent: 7, dependent conditional: 6, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, independent: 5, independent conditional: 4, independent unconditional: 1, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 21, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 26, independent: 14, independent conditional: 5, independent unconditional: 9, dependent: 3, dependent conditional: 2, dependent unconditional: 1, unknown: 9, unknown conditional: 8, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 82, Positive cache size: 66, Positive conditional cache size: 4, Positive unconditional cache size: 62, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, 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: 1.2s, 40 PlacesBefore, 40 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 138 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 89, independent: 54, independent conditional: 54, independent unconditional: 0, dependent: 35, dependent conditional: 35, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 89, independent: 54, independent conditional: 24, independent unconditional: 30, dependent: 35, dependent conditional: 27, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 92, independent: 54, independent conditional: 12, independent unconditional: 42, dependent: 38, dependent conditional: 21, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 92, independent: 54, independent conditional: 12, independent unconditional: 42, dependent: 38, dependent conditional: 21, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 7, dependent conditional: 6, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 7, dependent conditional: 6, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 28, dependent conditional: 27, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 92, independent: 50, independent conditional: 11, independent unconditional: 39, dependent: 31, dependent conditional: 15, dependent unconditional: 16, unknown: 11, unknown conditional: 7, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 93, Positive cache size: 70, Positive conditional cache size: 5, Positive unconditional cache size: 65, Negative cache size: 23, Negative conditional cache size: 12, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 21, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 46 PlacesBefore, 45 PlacesAfterwards, 31 TransitionsBefore, 30 TransitionsAfterwards, 124 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44, independent: 28, independent conditional: 28, independent unconditional: 0, dependent: 16, dependent conditional: 16, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 44, independent: 28, independent conditional: 12, independent unconditional: 16, dependent: 16, dependent conditional: 12, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 52, independent: 28, independent conditional: 4, independent unconditional: 24, dependent: 24, dependent conditional: 14, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 52, independent: 28, independent conditional: 4, independent unconditional: 24, dependent: 24, dependent conditional: 14, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 52, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 19, dependent conditional: 9, dependent unconditional: 10, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 102, Positive cache size: 74, Positive conditional cache size: 9, Positive unconditional cache size: 65, Negative cache size: 28, Negative conditional cache size: 17, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 45 PlacesBefore, 45 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 114 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 13, dependent conditional: 11, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 13, dependent conditional: 11, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 8, dependent conditional: 6, dependent unconditional: 2, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 74, Positive conditional cache size: 9, Positive unconditional cache size: 65, Negative cache size: 33, Negative conditional cache size: 22, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 45 PlacesBefore, 45 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 112 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 11, dependent conditional: 7, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 11, dependent conditional: 7, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 8, dependent conditional: 4, dependent unconditional: 4, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 74, Positive conditional cache size: 9, Positive unconditional cache size: 65, Negative cache size: 36, Negative conditional cache size: 25, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 44 PlacesBefore, 44 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 104 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 16, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 14, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 33, dependent conditional: 28, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 33, dependent conditional: 28, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 8, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 8, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 33, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 25, dependent conditional: 20, dependent unconditional: 5, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 118, Positive cache size: 74, Positive conditional cache size: 9, Positive unconditional cache size: 65, Negative cache size: 44, Negative conditional cache size: 33, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.9s, 32 PlacesBefore, 31 PlacesAfterwards, 16 TransitionsBefore, 15 TransitionsAfterwards, 26 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 23, dependent conditional: 23, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 26, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 23, dependent conditional: 23, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 23, dependent conditional: 23, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 23, dependent conditional: 23, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 26, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 120, Positive cache size: 75, Positive conditional cache size: 9, Positive unconditional cache size: 66, Negative cache size: 45, Negative conditional cache size: 34, Negative unconditional cache size: 11, 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, 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): 120, Positive cache size: 75, Positive conditional cache size: 9, Positive unconditional cache size: 66, Negative cache size: 45, Negative conditional cache size: 34, Negative unconditional cache size: 11, 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: 529.1s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 510.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 470 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 470 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 842 IncrementalHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 0 mSDtfsCounter, 842 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=207occurred in iteration=5, InterpolantAutomatonStates: 55, 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, 0.7s SatisfiabilityAnalysisTime, 11.1s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 852 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! [2022-12-05 23:33:59,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...