/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_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 23:25:12,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 23:25:12,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 23:25:12,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 23:25:12,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 23:25:12,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 23:25:12,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 23:25:12,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 23:25:12,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 23:25:12,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 23:25:12,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 23:25:12,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 23:25:12,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 23:25:12,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 23:25:12,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 23:25:12,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 23:25:12,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 23:25:12,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 23:25:12,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 23:25:12,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 23:25:12,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 23:25:12,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 23:25:12,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 23:25:12,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 23:25:12,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 23:25:12,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 23:25:12,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 23:25:12,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 23:25:12,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 23:25:12,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 23:25:12,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 23:25:12,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 23:25:12,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 23:25:12,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 23:25:12,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 23:25:12,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 23:25:12,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 23:25:12,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 23:25:12,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 23:25:12,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 23:25:12,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 23:25:12,148 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 23:25:12,172 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 23:25:12,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 23:25:12,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 23:25:12,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 23:25:12,174 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 23:25:12,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 23:25:12,175 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 23:25:12,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 23:25:12,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 23:25:12,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 23:25:12,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 23:25:12,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 23:25:12,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 23:25:12,176 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 23:25:12,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 23:25:12,176 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 23:25:12,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 23:25:12,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 23:25:12,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 23:25:12,177 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 23:25:12,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 23:25:12,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:25:12,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 23:25:12,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 23:25:12,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 23:25:12,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 23:25:12,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 23:25:12,177 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-05 23:25:12,177 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 23:25:12,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 23:25:12,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 23:25:12,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 23:25:12,488 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 23:25:12,489 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 23:25:12,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2022-12-05 23:25:13,462 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 23:25:13,894 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 23:25:13,894 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2022-12-05 23:25:13,931 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/997f6c982/fa7bf371d3d04dd7872ee577eb963ef9/FLAG0c68e95cb [2022-12-05 23:25:13,940 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/997f6c982/fa7bf371d3d04dd7872ee577eb963ef9 [2022-12-05 23:25:13,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 23:25:13,943 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 23:25:13,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 23:25:13,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 23:25:13,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 23:25:13,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:25:13" (1/1) ... [2022-12-05 23:25:13,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc531f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:13, skipping insertion in model container [2022-12-05 23:25:13,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:25:13" (1/1) ... [2022-12-05 23:25:13,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 23:25:14,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 23:25:14,272 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_write_nvram.i[5469,5482] [2022-12-05 23:25:14,547 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:14,548 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:14,552 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:14,553 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:14,558 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:14,558 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:14,655 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:14,655 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:14,659 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:14,660 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:14,664 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:14,665 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:14,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:14,669 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:14,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:14,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:14,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:14,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:14,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:14,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:14,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:14,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:14,955 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 23:25:14,960 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:25:14,964 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:25:14,972 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:25:15,061 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 23:25:15,066 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 23:25:15,151 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 23:25:15,418 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 23:25:15,431 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 23:25:15,518 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 23:25:15,522 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 23:25:15,807 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 23:25:15,813 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 23:25:15,819 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 23:25:15,901 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 23:25:15,902 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 23:25:15,905 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 23:25:15,905 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 23:25:16,027 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 23:25:16,051 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 23:25:16,166 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 23:25:16,169 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 23:25:16,281 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 23:25:16,408 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 23:25:16,408 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 23:25:16,408 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 23:25:17,514 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 23:25:17,515 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:25:17,579 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:25:17,599 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:25:17,601 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:25:17,945 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-05 23:25:17,949 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-05 23:25:17,954 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-05 23:25:17,960 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-05 23:25:17,960 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-05 23:25:17,962 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-05 23:25:17,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:25:17,990 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 23:25:18,008 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_write_nvram.i[5469,5482] [2022-12-05 23:25:18,020 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:18,020 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:18,020 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:18,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:18,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:18,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:18,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:18,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:18,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:18,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:18,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:18,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:18,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:18,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:18,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:18,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:18,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:18,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:18,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:18,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:18,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:25:18,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:25:18,042 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 23:25:18,042 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:25:18,043 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:25:18,043 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:25:18,046 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 23:25:18,049 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 23:25:18,051 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 23:25:18,060 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 23:25:18,060 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 23:25:18,062 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 23:25:18,062 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 23:25:18,068 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 23:25:18,068 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 23:25:18,068 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 23:25:18,070 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 23:25:18,071 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 23:25:18,071 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 23:25:18,071 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 23:25:18,078 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 23:25:18,080 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 23:25:18,083 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 23:25:18,083 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 23:25:18,086 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 23:25:18,089 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 23:25:18,089 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 23:25:18,089 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 23:25:18,136 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 23:25:18,137 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:25:18,139 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:25:18,145 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:25:18,148 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:25:18,175 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-05 23:25:18,176 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-05 23:25:18,176 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-05 23:25:18,177 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-05 23:25:18,178 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-05 23:25:18,178 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-05 23:25:18,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:25:18,519 INFO L208 MainTranslator]: Completed translation [2022-12-05 23:25:18,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:18 WrapperNode [2022-12-05 23:25:18,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 23:25:18,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 23:25:18,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 23:25:18,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 23:25:18,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:18" (1/1) ... [2022-12-05 23:25:18,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:18" (1/1) ... [2022-12-05 23:25:18,631 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 15, statements flattened = 314 [2022-12-05 23:25:18,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 23:25:18,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 23:25:18,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 23:25:18,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 23:25:18,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:18" (1/1) ... [2022-12-05 23:25:18,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:18" (1/1) ... [2022-12-05 23:25:18,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:18" (1/1) ... [2022-12-05 23:25:18,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:18" (1/1) ... [2022-12-05 23:25:18,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:18" (1/1) ... [2022-12-05 23:25:18,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:18" (1/1) ... [2022-12-05 23:25:18,659 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:18" (1/1) ... [2022-12-05 23:25:18,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:18" (1/1) ... [2022-12-05 23:25:18,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 23:25:18,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 23:25:18,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 23:25:18,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 23:25:18,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:18" (1/1) ... [2022-12-05 23:25:18,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:25:18,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 23:25:18,688 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 23:25:18,705 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 23:25:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 23:25:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-05 23:25:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 23:25:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 23:25:18,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 23:25:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-05 23:25:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 23:25:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 23:25:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 23:25:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-05 23:25:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2022-12-05 23:25:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2022-12-05 23:25:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 23:25:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_llseek [2022-12-05 23:25:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_llseek [2022-12-05 23:25:18,725 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 23:25:19,096 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 23:25:19,097 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 23:25:19,433 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 23:25:19,440 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 23:25:19,440 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-05 23:25:19,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:25:19 BoogieIcfgContainer [2022-12-05 23:25:19,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 23:25:19,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 23:25:19,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 23:25:19,446 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 23:25:19,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 11:25:13" (1/3) ... [2022-12-05 23:25:19,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273633ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:25:19, skipping insertion in model container [2022-12-05 23:25:19,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:25:18" (2/3) ... [2022-12-05 23:25:19,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273633ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:25:19, skipping insertion in model container [2022-12-05 23:25:19,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:25:19" (3/3) ... [2022-12-05 23:25:19,448 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_llseek_write_nvram.i [2022-12-05 23:25:19,461 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 23:25:19,462 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-05 23:25:19,462 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 23:25:19,528 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-05 23:25:19,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 330 places, 338 transitions, 692 flow [2022-12-05 23:25:19,659 INFO L130 PetriNetUnfolder]: 15/336 cut-off events. [2022-12-05 23:25:19,660 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 23:25:19,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 336 events. 15/336 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 320 event pairs, 0 based on Foata normal form. 0/319 useless extension candidates. Maximal degree in co-relation 274. Up to 5 conditions per place. [2022-12-05 23:25:19,668 INFO L82 GeneralOperation]: Start removeDead. Operand has 330 places, 338 transitions, 692 flow [2022-12-05 23:25:19,678 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 320 places, 328 transitions, 665 flow [2022-12-05 23:25:19,679 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:25:19,695 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 320 places, 328 transitions, 665 flow [2022-12-05 23:25:19,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 320 places, 328 transitions, 665 flow [2022-12-05 23:25:19,757 INFO L130 PetriNetUnfolder]: 15/328 cut-off events. [2022-12-05 23:25:19,757 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 23:25:19,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 328 events. 15/328 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 304 event pairs, 0 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 274. Up to 5 conditions per place. [2022-12-05 23:25:19,769 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 320 places, 328 transitions, 665 flow [2022-12-05 23:25:19,769 INFO L188 LiptonReduction]: Number of co-enabled transitions 10680 [2022-12-05 23:25:21,282 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:21,283 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:24,521 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:24,521 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:24,812 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:24,813 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:25,428 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:25,429 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 23:25:25,431 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:25,431 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:26,292 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:26,293 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:26,294 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:26,295 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:26,406 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:26,406 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:26,408 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:26,408 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:27,857 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:27,858 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:27,859 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:27,859 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:28,208 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:28,209 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:28,210 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:28,211 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:29,392 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:29,393 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 23:25:29,397 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:29,398 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-05 23:25:29,401 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:29,401 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2022-12-05 23:25:29,404 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:29,405 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-05 23:25:29,408 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:29,408 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:29,786 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:29,787 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:29,790 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:29,791 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:29,796 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:29,796 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:29,799 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:29,800 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:35,862 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:35,863 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:35,865 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:35,865 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:35,870 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:35,870 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:35,873 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:35,873 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:41,975 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:41,976 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:41,977 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:41,977 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:42,008 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:42,008 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:42,009 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:42,010 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:54,167 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:54,168 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:54,170 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:54,170 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:54,194 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:54,195 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:25:54,197 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:25:54,197 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:08,103 WARN L233 SmtUtils]: Spent 12.39s on a formula simplification that was a NOOP. DAG size: 381 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:26:17,179 WARN L233 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 329 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:26:25,437 WARN L233 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 381 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:26:31,987 WARN L233 SmtUtils]: Spent 6.54s on a formula simplification that was a NOOP. DAG size: 329 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:26:33,175 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:33,175 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2022-12-05 23:26:33,178 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:33,178 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2022-12-05 23:26:33,181 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:33,181 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2022-12-05 23:26:33,183 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:33,184 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2022-12-05 23:26:33,186 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:33,186 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 273 [2022-12-05 23:26:33,189 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:33,190 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2022-12-05 23:26:42,527 WARN L233 SmtUtils]: Spent 9.25s on a formula simplification that was a NOOP. DAG size: 422 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:26:51,518 WARN L233 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 422 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:27:08,813 WARN L233 SmtUtils]: Spent 17.29s on a formula simplification that was a NOOP. DAG size: 422 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:27:26,861 WARN L233 SmtUtils]: Spent 18.05s on a formula simplification that was a NOOP. DAG size: 422 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:27:28,380 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:28,382 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:28,389 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:28,390 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:28,395 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:28,396 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:28,398 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:28,398 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:28:52,279 WARN L233 SmtUtils]: Spent 1.40m 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 23:29:45,867 WARN L233 SmtUtils]: Spent 53.58s on a formula simplification that was a NOOP. DAG size: 503 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:31:18,360 WARN L233 SmtUtils]: Spent 1.54m 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 23:31:49,762 WARN L233 SmtUtils]: Spent 31.40s on a formula simplification that was a NOOP. DAG size: 512 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:31:49,772 INFO L203 LiptonReduction]: Total number of compositions: 307 [2022-12-05 23:31:49,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 23:31:49,815 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;@4e37f105, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 23:31:49,815 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-05 23:31:49,822 INFO L130 PetriNetUnfolder]: 5/27 cut-off events. [2022-12-05 23:31:49,822 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 23:31:49,822 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:31:49,822 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-05 23:31:49,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 23:31:49,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:31:49,825 INFO L85 PathProgramCache]: Analyzing trace with hash 242384242, now seen corresponding path program 1 times [2022-12-05 23:31:49,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:31:49,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144135797] [2022-12-05 23:31:49,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:31:49,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:31:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:31:50,474 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 23:31:50,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:31:50,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144135797] [2022-12-05 23:31:50,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144135797] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:31:50,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:31:50,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 23:31:50,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2799151] [2022-12-05 23:31:50,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:31:50,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 23:31:50,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:31:50,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 23:31:50,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 23:31:50,498 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 34 [2022-12-05 23:31:50,499 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 34 transitions, 77 flow. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 23:31:50,499 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:31:50,499 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 34 [2022-12-05 23:31:50,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:31:50,833 INFO L130 PetriNetUnfolder]: 453/728 cut-off events. [2022-12-05 23:31:50,834 INFO L131 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2022-12-05 23:31:50,834 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1498 conditions, 728 events. 453/728 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2923 event pairs, 231 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 1354. Up to 549 conditions per place. [2022-12-05 23:31:50,837 INFO L137 encePairwiseOnDemand]: 26/34 looper letters, 36 selfloop transitions, 5 changer transitions 5/47 dead transitions. [2022-12-05 23:31:50,837 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 47 transitions, 201 flow [2022-12-05 23:31:50,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 23:31:50,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 23:31:50,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-12-05 23:31:50,846 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5196078431372549 [2022-12-05 23:31:50,847 INFO L175 Difference]: Start difference. First operand has 34 places, 34 transitions, 77 flow. Second operand 3 states and 53 transitions. [2022-12-05 23:31:50,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 47 transitions, 201 flow [2022-12-05 23:31:50,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 47 transitions, 193 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 23:31:50,852 INFO L231 Difference]: Finished difference. Result has 33 places, 36 transitions, 106 flow [2022-12-05 23:31:50,854 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=33, PETRI_TRANSITIONS=36} [2022-12-05 23:31:50,856 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, -1 predicate places. [2022-12-05 23:31:50,856 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:31:50,857 INFO L89 Accepts]: Start accepts. Operand has 33 places, 36 transitions, 106 flow [2022-12-05 23:31:50,858 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:31:50,858 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:31:50,859 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 36 transitions, 106 flow [2022-12-05 23:31:50,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 36 transitions, 106 flow [2022-12-05 23:31:50,873 INFO L130 PetriNetUnfolder]: 20/88 cut-off events. [2022-12-05 23:31:50,873 INFO L131 PetriNetUnfolder]: For 8/10 co-relation queries the response was YES. [2022-12-05 23:31:50,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 88 events. 20/88 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 365 event pairs, 1 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 47. Up to 15 conditions per place. [2022-12-05 23:31:50,874 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 36 transitions, 106 flow [2022-12-05 23:31:50,874 INFO L188 LiptonReduction]: Number of co-enabled transitions 468 [2022-12-05 23:31:51,208 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-05 23:31:51,209 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 353 [2022-12-05 23:31:51,210 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 36 transitions, 110 flow [2022-12-05 23:31:51,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 23:31:51,210 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:31:51,210 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:31:51,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 23:31:51,210 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 23:31:51,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:31:51,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1081598186, now seen corresponding path program 1 times [2022-12-05 23:31:51,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:31:51,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826868556] [2022-12-05 23:31:51,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:31:51,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:31:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:31:51,627 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 23:31:51,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:31:51,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826868556] [2022-12-05 23:31:51,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826868556] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:31:51,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:31:51,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 23:31:51,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683842042] [2022-12-05 23:31:51,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:31:51,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 23:31:51,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:31:51,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 23:31:51,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 23:31:51,631 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 34 [2022-12-05 23:31:51,631 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 36 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 23:31:51,631 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:31:51,631 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 34 [2022-12-05 23:31:51,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:31:52,013 INFO L130 PetriNetUnfolder]: 462/794 cut-off events. [2022-12-05 23:31:52,013 INFO L131 PetriNetUnfolder]: For 150/150 co-relation queries the response was YES. [2022-12-05 23:31:52,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1865 conditions, 794 events. 462/794 cut-off events. For 150/150 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3528 event pairs, 187 based on Foata normal form. 0/461 useless extension candidates. Maximal degree in co-relation 1037. Up to 449 conditions per place. [2022-12-05 23:31:52,016 INFO L137 encePairwiseOnDemand]: 28/34 looper letters, 25 selfloop transitions, 5 changer transitions 29/60 dead transitions. [2022-12-05 23:31:52,016 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 60 transitions, 299 flow [2022-12-05 23:31:52,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 23:31:52,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 23:31:52,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2022-12-05 23:31:52,018 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5980392156862745 [2022-12-05 23:31:52,018 INFO L175 Difference]: Start difference. First operand has 33 places, 36 transitions, 110 flow. Second operand 3 states and 61 transitions. [2022-12-05 23:31:52,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 60 transitions, 299 flow [2022-12-05 23:31:52,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 60 transitions, 275 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-05 23:31:52,020 INFO L231 Difference]: Finished difference. Result has 35 places, 26 transitions, 100 flow [2022-12-05 23:31:52,020 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=35, PETRI_TRANSITIONS=26} [2022-12-05 23:31:52,021 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 1 predicate places. [2022-12-05 23:31:52,021 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:31:52,021 INFO L89 Accepts]: Start accepts. Operand has 35 places, 26 transitions, 100 flow [2022-12-05 23:31:52,021 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:31:52,021 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:31:52,022 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 26 transitions, 100 flow [2022-12-05 23:31:52,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 26 transitions, 100 flow [2022-12-05 23:31:52,030 INFO L130 PetriNetUnfolder]: 3/46 cut-off events. [2022-12-05 23:31:52,031 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-12-05 23:31:52,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 46 events. 3/46 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 172 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 63. Up to 12 conditions per place. [2022-12-05 23:31:52,031 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 26 transitions, 100 flow [2022-12-05 23:31:52,032 INFO L188 LiptonReduction]: Number of co-enabled transitions 146 [2022-12-05 23:31:52,056 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-05 23:31:52,056 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 35 [2022-12-05 23:31:52,057 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 26 transitions, 100 flow [2022-12-05 23:31:52,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 23:31:52,057 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:31:52,057 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:31:52,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 23:31:52,057 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 23:31:52,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:31:52,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1076020527, now seen corresponding path program 1 times [2022-12-05 23:31:52,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:31:52,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794010151] [2022-12-05 23:31:52,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:31:52,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:31:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:31:52,680 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 23:31:52,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:31:52,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794010151] [2022-12-05 23:31:52,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794010151] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:31:52,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:31:52,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 23:31:52,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205697242] [2022-12-05 23:31:52,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:31:52,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 23:31:52,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:31:52,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 23:31:52,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-05 23:31:52,682 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 23 [2022-12-05 23:31:52,682 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 23:31:52,682 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:31:52,682 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 23 [2022-12-05 23:31:52,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:31:53,071 INFO L130 PetriNetUnfolder]: 136/268 cut-off events. [2022-12-05 23:31:53,071 INFO L131 PetriNetUnfolder]: For 103/103 co-relation queries the response was YES. [2022-12-05 23:31:53,071 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 1097 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 23:31:53,072 INFO L137 encePairwiseOnDemand]: 16/23 looper letters, 24 selfloop transitions, 8 changer transitions 11/44 dead transitions. [2022-12-05 23:31:53,072 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 44 transitions, 242 flow [2022-12-05 23:31:53,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:31:53,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:31:53,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2022-12-05 23:31:53,074 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.40869565217391307 [2022-12-05 23:31:53,074 INFO L175 Difference]: Start difference. First operand has 31 places, 26 transitions, 100 flow. Second operand 5 states and 47 transitions. [2022-12-05 23:31:53,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 44 transitions, 242 flow [2022-12-05 23:31:53,075 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 23:31:53,076 INFO L231 Difference]: Finished difference. Result has 34 places, 25 transitions, 118 flow [2022-12-05 23:31:53,076 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 23:31:53,077 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 0 predicate places. [2022-12-05 23:31:53,077 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:31:53,077 INFO L89 Accepts]: Start accepts. Operand has 34 places, 25 transitions, 118 flow [2022-12-05 23:31:53,078 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:31:53,078 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:31:53,078 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 25 transitions, 118 flow [2022-12-05 23:31:53,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 34 places, 25 transitions, 118 flow [2022-12-05 23:31:53,085 INFO L130 PetriNetUnfolder]: 2/40 cut-off events. [2022-12-05 23:31:53,085 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-12-05 23:31:53,085 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 139 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 23:31:53,085 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 25 transitions, 118 flow [2022-12-05 23:31:53,085 INFO L188 LiptonReduction]: Number of co-enabled transitions 118 [2022-12-05 23:31:53,109 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:31:53,109 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 32 [2022-12-05 23:31:53,109 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 25 transitions, 118 flow [2022-12-05 23:31:53,110 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 23:31:53,110 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:31:53,110 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:31:53,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 23:31:53,110 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 23:31:53,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:31:53,110 INFO L85 PathProgramCache]: Analyzing trace with hash -934597992, now seen corresponding path program 1 times [2022-12-05 23:31:53,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:31:53,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956637510] [2022-12-05 23:31:53,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:31:53,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:31:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:31:53,741 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 23:31:53,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:31:53,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956637510] [2022-12-05 23:31:53,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956637510] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:31:53,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:31:53,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 23:31:53,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635388872] [2022-12-05 23:31:53,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:31:53,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-05 23:31:53,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:31:53,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-05 23:31:53,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-05 23:31:53,743 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 21 [2022-12-05 23:31:53,743 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 23:31:53,744 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:31:53,744 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 21 [2022-12-05 23:31:53,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:31:54,358 INFO L130 PetriNetUnfolder]: 174/358 cut-off events. [2022-12-05 23:31:54,359 INFO L131 PetriNetUnfolder]: For 283/283 co-relation queries the response was YES. [2022-12-05 23:31:54,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1018 conditions, 358 events. 174/358 cut-off events. For 283/283 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1621 event pairs, 16 based on Foata normal form. 8/302 useless extension candidates. Maximal degree in co-relation 457. Up to 100 conditions per place. [2022-12-05 23:31:54,360 INFO L137 encePairwiseOnDemand]: 12/21 looper letters, 30 selfloop transitions, 14 changer transitions 10/55 dead transitions. [2022-12-05 23:31:54,360 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 55 transitions, 345 flow [2022-12-05 23:31:54,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-05 23:31:54,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-05 23:31:54,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 60 transitions. [2022-12-05 23:31:54,361 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.35714285714285715 [2022-12-05 23:31:54,361 INFO L175 Difference]: Start difference. First operand has 34 places, 25 transitions, 118 flow. Second operand 8 states and 60 transitions. [2022-12-05 23:31:54,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 55 transitions, 345 flow [2022-12-05 23:31:54,362 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 23:31:54,363 INFO L231 Difference]: Finished difference. Result has 40 places, 31 transitions, 186 flow [2022-12-05 23:31:54,363 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 23:31:54,363 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 6 predicate places. [2022-12-05 23:31:54,363 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:31:54,363 INFO L89 Accepts]: Start accepts. Operand has 40 places, 31 transitions, 186 flow [2022-12-05 23:31:54,364 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:31:54,364 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:31:54,364 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 31 transitions, 186 flow [2022-12-05 23:31:54,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 31 transitions, 186 flow [2022-12-05 23:31:54,372 INFO L130 PetriNetUnfolder]: 4/63 cut-off events. [2022-12-05 23:31:54,372 INFO L131 PetriNetUnfolder]: For 71/75 co-relation queries the response was YES. [2022-12-05 23:31:54,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 63 events. 4/63 cut-off events. For 71/75 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 299 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 23:31:54,373 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 31 transitions, 186 flow [2022-12-05 23:31:54,373 INFO L188 LiptonReduction]: Number of co-enabled transitions 138 [2022-12-05 23:31:54,392 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:31:54,393 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:31:54,394 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:31:54,394 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:31:55,679 INFO L203 LiptonReduction]: Total number of compositions: 3 [2022-12-05 23:31:55,680 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1317 [2022-12-05 23:31:55,680 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 30 transitions, 185 flow [2022-12-05 23:31:55,680 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 23:31:55,681 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:31:55,681 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:31:55,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-05 23:31:55,681 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 23:31:55,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:31:55,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1018098756, now seen corresponding path program 1 times [2022-12-05 23:31:55,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:31:55,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229195878] [2022-12-05 23:31:55,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:31:55,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:31:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:31:56,317 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 23:31:56,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:31:56,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229195878] [2022-12-05 23:31:56,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229195878] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:31:56,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:31:56,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 23:31:56,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762570828] [2022-12-05 23:31:56,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:31:56,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 23:31:56,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:31:56,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 23:31:56,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-05 23:31:56,320 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 23 [2022-12-05 23:31:56,320 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 30 transitions, 185 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 23:31:56,320 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:31:56,320 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 23 [2022-12-05 23:31:56,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:31:56,730 INFO L130 PetriNetUnfolder]: 168/346 cut-off events. [2022-12-05 23:31:56,730 INFO L131 PetriNetUnfolder]: For 344/344 co-relation queries the response was YES. [2022-12-05 23:31:56,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1081 conditions, 346 events. 168/346 cut-off events. For 344/344 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1590 event pairs, 34 based on Foata normal form. 8/290 useless extension candidates. Maximal degree in co-relation 901. Up to 164 conditions per place. [2022-12-05 23:31:56,731 INFO L137 encePairwiseOnDemand]: 16/23 looper letters, 22 selfloop transitions, 11 changer transitions 8/42 dead transitions. [2022-12-05 23:31:56,731 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 42 transitions, 301 flow [2022-12-05 23:31:56,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:31:56,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:31:56,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 42 transitions. [2022-12-05 23:31:56,733 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3652173913043478 [2022-12-05 23:31:56,734 INFO L175 Difference]: Start difference. First operand has 40 places, 30 transitions, 185 flow. Second operand 5 states and 42 transitions. [2022-12-05 23:31:56,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 42 transitions, 301 flow [2022-12-05 23:31:56,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 42 transitions, 280 flow, removed 4 selfloop flow, removed 3 redundant places. [2022-12-05 23:31:56,736 INFO L231 Difference]: Finished difference. Result has 42 places, 28 transitions, 177 flow [2022-12-05 23:31:56,736 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=177, PETRI_PLACES=42, PETRI_TRANSITIONS=28} [2022-12-05 23:31:56,738 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 8 predicate places. [2022-12-05 23:31:56,738 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:31:56,738 INFO L89 Accepts]: Start accepts. Operand has 42 places, 28 transitions, 177 flow [2022-12-05 23:31:56,739 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:31:56,739 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:31:56,739 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 28 transitions, 177 flow [2022-12-05 23:31:56,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 28 transitions, 177 flow [2022-12-05 23:31:56,747 INFO L130 PetriNetUnfolder]: 2/60 cut-off events. [2022-12-05 23:31:56,748 INFO L131 PetriNetUnfolder]: For 103/105 co-relation queries the response was YES. [2022-12-05 23:31:56,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 60 events. 2/60 cut-off events. For 103/105 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 283 event pairs, 0 based on Foata normal form. 1/48 useless extension candidates. Maximal degree in co-relation 121. Up to 19 conditions per place. [2022-12-05 23:31:56,748 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 28 transitions, 177 flow [2022-12-05 23:31:56,748 INFO L188 LiptonReduction]: Number of co-enabled transitions 132 [2022-12-05 23:31:56,771 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:31:56,772 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 34 [2022-12-05 23:31:56,772 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 28 transitions, 177 flow [2022-12-05 23:31:56,772 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 23:31:56,772 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:31:56,772 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:31:56,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-05 23:31:56,772 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 23:31:56,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:31:56,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1031126891, now seen corresponding path program 1 times [2022-12-05 23:31:56,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:31:56,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929271012] [2022-12-05 23:31:56,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:31:56,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:31:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:32:02,575 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 23:32:02,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:32:02,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929271012] [2022-12-05 23:32:02,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929271012] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:32:02,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:32:02,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 23:32:02,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757569810] [2022-12-05 23:32:02,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:32:02,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-05 23:32:02,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:32:02,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-05 23:32:02,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-05 23:32:02,577 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 22 [2022-12-05 23:32:02,578 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 28 transitions, 177 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 23:32:02,578 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:32:02,578 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 22 [2022-12-05 23:32:02,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:32:03,026 INFO L130 PetriNetUnfolder]: 154/316 cut-off events. [2022-12-05 23:32:03,026 INFO L131 PetriNetUnfolder]: For 439/439 co-relation queries the response was YES. [2022-12-05 23:32:03,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 988 conditions, 316 events. 154/316 cut-off events. For 439/439 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1399 event pairs, 24 based on Foata normal form. 8/264 useless extension candidates. Maximal degree in co-relation 867. Up to 170 conditions per place. [2022-12-05 23:32:03,027 INFO L137 encePairwiseOnDemand]: 16/22 looper letters, 17 selfloop transitions, 9 changer transitions 14/41 dead transitions. [2022-12-05 23:32:03,027 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 41 transitions, 297 flow [2022-12-05 23:32:03,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:32:03,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:32:03,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2022-12-05 23:32:03,028 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.37272727272727274 [2022-12-05 23:32:03,028 INFO L175 Difference]: Start difference. First operand has 42 places, 28 transitions, 177 flow. Second operand 5 states and 41 transitions. [2022-12-05 23:32:03,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 41 transitions, 297 flow [2022-12-05 23:32:03,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 41 transitions, 267 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-05 23:32:03,030 INFO L231 Difference]: Finished difference. Result has 40 places, 21 transitions, 126 flow [2022-12-05 23:32:03,030 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, PETRI_DIFFERENCE_MINUEND_FLOW=139, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=126, PETRI_PLACES=40, PETRI_TRANSITIONS=21} [2022-12-05 23:32:03,031 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 6 predicate places. [2022-12-05 23:32:03,031 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:32:03,031 INFO L89 Accepts]: Start accepts. Operand has 40 places, 21 transitions, 126 flow [2022-12-05 23:32:03,031 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:32:03,031 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:32:03,031 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 21 transitions, 126 flow [2022-12-05 23:32:03,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 21 transitions, 126 flow [2022-12-05 23:32:03,040 INFO L130 PetriNetUnfolder]: 2/32 cut-off events. [2022-12-05 23:32:03,040 INFO L131 PetriNetUnfolder]: For 28/29 co-relation queries the response was YES. [2022-12-05 23:32:03,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 32 events. 2/32 cut-off events. For 28/29 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 74 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 72. Up to 13 conditions per place. [2022-12-05 23:32:03,040 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 21 transitions, 126 flow [2022-12-05 23:32:03,040 INFO L188 LiptonReduction]: Number of co-enabled transitions 60 [2022-12-05 23:32:03,041 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:32:03,042 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 11 [2022-12-05 23:32:03,042 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 21 transitions, 126 flow [2022-12-05 23:32:03,042 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 23:32:03,042 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:32:03,042 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:32:03,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-05 23:32:03,042 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 23:32:03,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:32:03,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1944539521, now seen corresponding path program 1 times [2022-12-05 23:32:03,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:32:03,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205545306] [2022-12-05 23:32:03,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:32:03,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:32:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:32:03,515 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 23:32:03,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:32:03,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205545306] [2022-12-05 23:32:03,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205545306] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:32:03,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:32:03,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 23:32:03,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966100377] [2022-12-05 23:32:03,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:32:03,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-05 23:32:03,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:32:03,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-05 23:32:03,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-05 23:32:03,517 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 17 [2022-12-05 23:32:03,518 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 21 transitions, 126 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 23:32:03,518 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:32:03,518 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 17 [2022-12-05 23:32:03,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:32:04,051 INFO L130 PetriNetUnfolder]: 47/105 cut-off events. [2022-12-05 23:32:04,051 INFO L131 PetriNetUnfolder]: For 87/87 co-relation queries the response was YES. [2022-12-05 23:32:04,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 105 events. 47/105 cut-off events. For 87/87 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 295 event pairs, 4 based on Foata normal form. 8/105 useless extension candidates. Maximal degree in co-relation 285. Up to 62 conditions per place. [2022-12-05 23:32:04,052 INFO L137 encePairwiseOnDemand]: 12/17 looper letters, 16 selfloop transitions, 2 changer transitions 17/35 dead transitions. [2022-12-05 23:32:04,052 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 35 transitions, 238 flow [2022-12-05 23:32:04,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 23:32:04,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 23:32:04,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 40 transitions. [2022-12-05 23:32:04,053 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.39215686274509803 [2022-12-05 23:32:04,053 INFO L175 Difference]: Start difference. First operand has 35 places, 21 transitions, 126 flow. Second operand 6 states and 40 transitions. [2022-12-05 23:32:04,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 35 transitions, 238 flow [2022-12-05 23:32:04,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 35 transitions, 201 flow, removed 5 selfloop flow, removed 6 redundant places. [2022-12-05 23:32:04,054 INFO L231 Difference]: Finished difference. Result has 37 places, 16 transitions, 74 flow [2022-12-05 23:32:04,054 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=74, PETRI_PLACES=37, PETRI_TRANSITIONS=16} [2022-12-05 23:32:04,055 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 3 predicate places. [2022-12-05 23:32:04,055 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:32:04,055 INFO L89 Accepts]: Start accepts. Operand has 37 places, 16 transitions, 74 flow [2022-12-05 23:32:04,055 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:32:04,055 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:32:04,055 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 16 transitions, 74 flow [2022-12-05 23:32:04,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 16 transitions, 74 flow [2022-12-05 23:32:04,060 INFO L130 PetriNetUnfolder]: 1/18 cut-off events. [2022-12-05 23:32:04,061 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-05 23:32:04,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 18 events. 1/18 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 19 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 39. Up to 7 conditions per place. [2022-12-05 23:32:04,061 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 16 transitions, 74 flow [2022-12-05 23:32:04,061 INFO L188 LiptonReduction]: Number of co-enabled transitions 28 [2022-12-05 23:32:04,074 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [1287] $Ultimate##0-->L6702: Formula: (let ((.cse0 (<= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_#t~nondet1160#1_In_3| 2147483647)) (.cse13 (= 2 |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~origin#1_Out_8|)) (.cse12 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~origin#1_Out_8| 1)) (.cse1 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~origin#1_Out_8| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~origin#1_Out_4|)) (.cse2 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~file#1.base_Out_4| v_~whoop_file_3~0.base_In_2)) (.cse3 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~file#1.offset_Out_4| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.offset_Out_6|)) (.cse4 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~file#1.base_Out_4| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base_Out_6|)) (.cse5 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~file#1.offset_Out_4| v_~whoop_file_3~0.offset_In_2)) (.cse6 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_~args#1.offset_Out_2| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_#in~args#1.offset_In_1|)) (.cse9 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~origin#1_Out_8| 0)) (.cse7 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_#in~args#1.base_In_1| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_~args#1.base_Out_2|)) (.cse8 (<= 0 (+ |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_#t~nondet1160#1_In_3| 2147483648))) (.cse10 (= v_~whoop_int~0_In_8 |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~origin#1_Out_4|)) (.cse11 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~offset#1_Out_4| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_#t~nondet1160#1_In_3|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_171| .cse7 .cse8 .cse9 (= |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~offset#1_Out_4| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1_Out_24|) .cse10 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_179|) (= (+ |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~offset#1_Out_4| (select (select |v_#memory_int_In_54| |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base_Out_6|) (+ |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.offset_Out_6| 20))) |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1_Out_24|) .cse6 |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_180| .cse12 .cse7 .cse8 .cse10 .cse11) (and .cse0 (not |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_178|) (= (+ |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~offset#1_Out_4| v_~nvram_len~0_In_16) |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1_Out_24|) .cse1 .cse2 .cse3 .cse4 (not |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_176|) .cse5 .cse6 .cse13 |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_177| .cse7 .cse8 .cse10 .cse11) (and .cse0 (not .cse13) (not .cse12) (not |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_172|) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (not |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_174|) |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_175| (not .cse9) .cse7 .cse8 (not |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_173|) (= (+ |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1_Out_24| 1) 0) .cse10 .cse11))) InVars {~whoop_file_3~0.offset=v_~whoop_file_3~0.offset_In_2, 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_54|, 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_16, ~whoop_int~0=v_~whoop_int~0_In_8, whoop_wrapper_nvram_llseekThread1of1ForFork1_#t~nondet1160#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_#t~nondet1160#1_In_3|, ~whoop_file_3~0.base=v_~whoop_file_3~0.base_In_2} OutVars{~whoop_file_3~0.offset=v_~whoop_file_3~0.offset_In_2, 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_24|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1131#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1131#1_Out_18|, 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_6|, whoop_wrapper_nvram_llseekThread1of1ForFork1_#t~nondet1160#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_#t~nondet1160#1_In_3|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~offset#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~offset#1_Out_4|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~file#1.offset=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~file#1.offset_Out_4|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~file#1.base=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~file#1.base_Out_4|, 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_8|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1132#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1132#1_Out_6|, #memory_int=|v_#memory_int_In_54|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1130#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1130#1_Out_12|, 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_4|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~origin#1=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~origin#1_Out_8|, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base=|v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base_Out_6|, ~nvram_len~0=v_~nvram_len~0_In_16, ~whoop_int~0=v_~whoop_int~0_In_8, ~whoop_file_3~0.base=v_~whoop_file_3~0.base_In_2} 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_180|, |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_172|, |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_171|, |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_174|, |v_whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~switch1129#1_173|] 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~offset#1, whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#in~file#1.offset, 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 [1240] $Ultimate##0-->L6732-3: Formula: (and (= v_~whoop_buf~0.base_38 |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~buf#1.base_23|) (= v_~whoop_int~0_66 |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~count#1_43|) (= v_~whoop_file_0~0.base_42 |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~file#1.base_27|) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~buf#1.offset_87| |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~buf#1.offset_23|) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_~args#1.offset_19| |v_whoop_wrapper_write_nvramThread1of1ForFork0_#in~args#1.offset_19|) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~ppos#1.base_43| v_~whoop_loff_t~0.base_42) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#in~arg1#1.base_49| |v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_~arg1#1.base_53|) (not (<= v_~nvram_len~0_123 |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~mem1144#1_89|)) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~buf#1.offset_87| |v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#in~arg1#1.offset_49|) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~buf#1.base_77| |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~buf#1.base_23|) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~file#1.base_27| |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~file#1.base_27|) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_~arg1#1.offset_53| |v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#in~arg1#1.offset_49|) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~count#1_123| |v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#in~arg2#1_67|) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_~arg0#1_53| |v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#in~arg0#1_53|) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~buf#1.base_77| |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~p~2#1.base_111|) (<= 0 (+ 2147483648 |v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#res#1_87|)) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~buf#1.offset_23| v_~whoop_buf~0.offset_38) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~ppos#1.base_43| |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.base_141|) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~count#1_123| |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~count#1_43|) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_~args#1.base_19| |v_whoop_wrapper_write_nvramThread1of1ForFork0_#in~args#1.base_19|) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~file#1.offset_27| |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~file#1.offset_27|) (<= 0 (+ |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~c~4#1_77| 128)) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~mem1144#1_89| (select (select |v_#memory_int_335| |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.base_141|) |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.offset_141|)) (= 0 |v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#in~arg0#1_53|) (not (= 0 |v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#res#1_87|)) (= v_~whoop_loff_t~0.offset_42 |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~ppos#1.offset_43|) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~buf#1.offset_87| |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~p~2#1.offset_121|) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_~arg2#1_83| |v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#in~arg2#1_67|) (<= |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~c~4#1_77| 127) (<= |v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#res#1_87| 2147483647) (= v_~whoop_file_0~0.offset_42 |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~file#1.offset_27|) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.offset_141| |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~ppos#1.offset_43|) (= |v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#in~arg1#1.base_49| |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~buf#1.base_77|)) InVars {whoop_wrapper_write_nvramThread1of1ForFork0_#in~args#1.offset=|v_whoop_wrapper_write_nvramThread1of1ForFork0_#in~args#1.offset_19|, ~whoop_loff_t~0.base=v_~whoop_loff_t~0.base_42, #memory_int=|v_#memory_int_335|, ~whoop_buf~0.offset=v_~whoop_buf~0.offset_38, ~whoop_loff_t~0.offset=v_~whoop_loff_t~0.offset_42, ~nvram_len~0=v_~nvram_len~0_123, ~whoop_buf~0.base=v_~whoop_buf~0.base_38, ~whoop_int~0=v_~whoop_int~0_66, ~whoop_file_0~0.base=v_~whoop_file_0~0.base_42, ~whoop_file_0~0.offset=v_~whoop_file_0~0.offset_42, whoop_wrapper_write_nvramThread1of1ForFork0_#in~args#1.base=|v_whoop_wrapper_write_nvramThread1of1ForFork0_#in~args#1.base_19|} OutVars{whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~pre1147#1.base=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~pre1147#1.base_47|, ~whoop_buf~0.offset=v_~whoop_buf~0.offset_38, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~c~4#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~c~4#1_77|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~pre1146#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~pre1146#1_41|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~file#1.base=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~file#1.base_27|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~mem1145#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~mem1145#1_43|, ~whoop_file_0~0.base=v_~whoop_file_0~0.base_42, whoop_wrapper_write_nvramThread1of1ForFork0_~args#1.base=|v_whoop_wrapper_write_nvramThread1of1ForFork0_~args#1.base_19|, ~whoop_loff_t~0.base=v_~whoop_loff_t~0.base_42, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~ppos#1.offset=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~ppos#1.offset_43|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~file#1.offset=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~file#1.offset_27|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~ppos#1.base=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~ppos#1.base_43|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~file#1.offset=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~file#1.offset_27|, whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_~arg0#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_~arg0#1_53|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~ret1143#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~ret1143#1_123|, whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#res#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#res#1_87|, ~whoop_buf~0.base=v_~whoop_buf~0.base_38, whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#in~arg0#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#in~arg0#1_53|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#res#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#res#1_93|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~nondet1142#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~nondet1142#1_93|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~pre1147#1.offset=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~pre1147#1.offset_47|, ~whoop_int~0=v_~whoop_int~0_66, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~mem1144#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~mem1144#1_89|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~buf#1.base=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~buf#1.base_23|, whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_~arg2#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_~arg2#1_83|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~file#1.base=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~file#1.base_27|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~i~2#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~i~2#1_155|, whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#in~arg1#1.base=|v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#in~arg1#1.base_49|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~count#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~count#1_123|, whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#in~arg2#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#in~arg2#1_67|, whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_~arg1#1.base=|v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_~arg1#1.base_53|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~ret1149#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~ret1149#1_69|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~buf#1.offset=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~buf#1.offset_23|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.offset=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.offset_141|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~mem1150#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~mem1150#1_53|, whoop_wrapper_write_nvramThread1of1ForFork0_~args#1.offset=|v_whoop_wrapper_write_nvramThread1of1ForFork0_~args#1.offset_19|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~p~2#1.base=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~p~2#1.base_111|, ~nvram_len~0=v_~nvram_len~0_123, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.base=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.base_141|, whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_~arg1#1.offset=|v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_~arg1#1.offset_53|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~buf#1.base=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~buf#1.base_77|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~buf#1.offset=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~buf#1.offset_87|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~count#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~count#1_43|, whoop_wrapper_write_nvramThread1of1ForFork0_#in~args#1.offset=|v_whoop_wrapper_write_nvramThread1of1ForFork0_#in~args#1.offset_19|, whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#t~nondet1103#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#t~nondet1103#1_107|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~pre1148#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~pre1148#1_41|, ~whoop_file_0~0.offset=v_~whoop_file_0~0.offset_42, whoop_wrapper_write_nvramThread1of1ForFork0_#in~args#1.base=|v_whoop_wrapper_write_nvramThread1of1ForFork0_#in~args#1.base_19|, #memory_int=|v_#memory_int_335|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~p~2#1.offset=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~p~2#1.offset_121|, ~whoop_loff_t~0.offset=v_~whoop_loff_t~0.offset_42, whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#in~arg1#1.offset=|v_whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#in~arg1#1.offset_49|} AuxVars[] AssignedVars[whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_~arg2#1, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~file#1.base, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~i~2#1, whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#in~arg1#1.base, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~pre1147#1.base, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~c~4#1, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~pre1146#1, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~file#1.base, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~count#1, whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#in~arg2#1, whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_~arg1#1.base, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~ret1149#1, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~mem1145#1, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~buf#1.offset, whoop_wrapper_write_nvramThread1of1ForFork0_~args#1.base, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.offset, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~mem1150#1, whoop_wrapper_write_nvramThread1of1ForFork0_~args#1.offset, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~p~2#1.base, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~ppos#1.offset, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~file#1.offset, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.base, whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_~arg1#1.offset, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~buf#1.base, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~buf#1.offset, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~ppos#1.base, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~file#1.offset, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~count#1, whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_~arg0#1, whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#t~nondet1103#1, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~ret1143#1, whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#res#1, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~pre1148#1, whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#in~arg0#1, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#res#1, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~p~2#1.offset, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~nondet1142#1, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~pre1147#1.offset, whoop_wrapper_write_nvramThread1of1ForFork0_access_ok_#in~arg1#1.offset, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#t~mem1144#1, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_#in~buf#1.base] [2022-12-05 23:32:04,873 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-05 23:32:04,876 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 821 [2022-12-05 23:32:04,876 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 15 transitions, 70 flow [2022-12-05 23:32:04,876 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 23:32:04,876 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:32:04,876 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:32:04,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-05 23:32:04,876 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 23:32:04,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:32:04,877 INFO L85 PathProgramCache]: Analyzing trace with hash -19065638, now seen corresponding path program 1 times [2022-12-05 23:32:04,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:32:04,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358210514] [2022-12-05 23:32:04,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:32:04,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:32:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:32:07,448 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 23:32:07,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:32:07,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358210514] [2022-12-05 23:32:07,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358210514] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:32:07,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:32:07,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 23:32:07,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321650788] [2022-12-05 23:32:07,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:32:07,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 23:32:07,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:32:07,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 23:32:07,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-05 23:32:07,450 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 15 [2022-12-05 23:32:07,450 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 15 transitions, 70 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 23:32:07,450 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:32:07,450 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 15 [2022-12-05 23:32:07,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:32:07,864 INFO L130 PetriNetUnfolder]: 13/34 cut-off events. [2022-12-05 23:32:07,864 INFO L131 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2022-12-05 23:32:07,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 34 events. 13/34 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 46 event pairs, 0 based on Foata normal form. 8/38 useless extension candidates. Maximal degree in co-relation 112. Up to 21 conditions per place. [2022-12-05 23:32:07,864 INFO L137 encePairwiseOnDemand]: 11/15 looper letters, 0 selfloop transitions, 0 changer transitions 18/18 dead transitions. [2022-12-05 23:32:07,864 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 18 transitions, 108 flow [2022-12-05 23:32:07,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:32:07,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:32:07,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2022-12-05 23:32:07,865 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.25333333333333335 [2022-12-05 23:32:07,865 INFO L175 Difference]: Start difference. First operand has 32 places, 15 transitions, 70 flow. Second operand 5 states and 19 transitions. [2022-12-05 23:32:07,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 18 transitions, 108 flow [2022-12-05 23:32:07,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 18 transitions, 90 flow, removed 2 selfloop flow, removed 8 redundant places. [2022-12-05 23:32:07,865 INFO L231 Difference]: Finished difference. Result has 27 places, 0 transitions, 0 flow [2022-12-05 23:32:07,865 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=15, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=23, 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=27, PETRI_TRANSITIONS=0} [2022-12-05 23:32:07,866 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, -7 predicate places. [2022-12-05 23:32:07,866 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:32:07,866 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 0 transitions, 0 flow [2022-12-05 23:32:07,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-05 23:32:07,866 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-05 23:32:07,866 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:32:07,866 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 23:32:07,866 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-05 23:32:07,866 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-05 23:32:07,867 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:32:07,867 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1 [2022-12-05 23:32:07,867 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-05 23:32:07,867 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 23:32:07,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-12-05 23:32:07,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2022-12-05 23:32:07,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2022-12-05 23:32:07,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-12-05 23:32:07,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-12-05 23:32:07,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-12-05 23:32:07,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-05 23:32:07,871 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:32:07,874 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 23:32:07,874 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 23:32:07,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 11:32:07 BasicIcfg [2022-12-05 23:32:07,877 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 23:32:07,877 INFO L158 Benchmark]: Toolchain (without parser) took 413934.45ms. Allocated memory was 194.0MB in the beginning and 908.1MB in the end (delta: 714.1MB). Free memory was 158.4MB in the beginning and 344.1MB in the end (delta: -185.7MB). Peak memory consumption was 528.3MB. Max. memory is 8.0GB. [2022-12-05 23:32:07,877 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 194.0MB. Free memory was 170.5MB in the beginning and 170.5MB in the end (delta: 76.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 23:32:07,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4576.12ms. Allocated memory was 194.0MB in the beginning and 232.8MB in the end (delta: 38.8MB). Free memory was 157.8MB in the beginning and 112.0MB in the end (delta: 45.9MB). Peak memory consumption was 125.0MB. Max. memory is 8.0GB. [2022-12-05 23:32:07,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.05ms. Allocated memory is still 232.8MB. Free memory was 112.0MB in the beginning and 102.6MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-12-05 23:32:07,879 INFO L158 Benchmark]: Boogie Preprocessor took 32.78ms. Allocated memory is still 232.8MB. Free memory was 102.6MB in the beginning and 98.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-12-05 23:32:07,879 INFO L158 Benchmark]: RCFGBuilder took 777.12ms. Allocated memory was 232.8MB in the beginning and 307.2MB in the end (delta: 74.4MB). Free memory was 98.4MB in the beginning and 227.6MB in the end (delta: -129.3MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-12-05 23:32:07,879 INFO L158 Benchmark]: TraceAbstraction took 408433.20ms. Allocated memory was 307.2MB in the beginning and 908.1MB in the end (delta: 600.8MB). Free memory was 227.1MB in the beginning and 344.1MB in the end (delta: -117.0MB). Peak memory consumption was 483.3MB. Max. memory is 8.0GB. [2022-12-05 23:32:07,885 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 194.0MB. Free memory was 170.5MB in the beginning and 170.5MB in the end (delta: 76.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4576.12ms. Allocated memory was 194.0MB in the beginning and 232.8MB in the end (delta: 38.8MB). Free memory was 157.8MB in the beginning and 112.0MB in the end (delta: 45.9MB). Peak memory consumption was 125.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 111.05ms. Allocated memory is still 232.8MB. Free memory was 112.0MB in the beginning and 102.6MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.78ms. Allocated memory is still 232.8MB. Free memory was 102.6MB in the beginning and 98.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 777.12ms. Allocated memory was 232.8MB in the beginning and 307.2MB in the end (delta: 74.4MB). Free memory was 98.4MB in the beginning and 227.6MB in the end (delta: -129.3MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 408433.20ms. Allocated memory was 307.2MB in the beginning and 908.1MB in the end (delta: 600.8MB). Free memory was 227.1MB in the beginning and 344.1MB in the end (delta: -117.0MB). Peak memory consumption was 483.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 390.0s, 320 PlacesBefore, 34 PlacesAfterwards, 328 TransitionsBefore, 34 TransitionsAfterwards, 10680 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 175 TrivialYvCompositions, 121 ConcurrentYvCompositions, 8 ChoiceCompositions, 307 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9482, independent: 9411, independent conditional: 9411, independent unconditional: 0, dependent: 70, dependent conditional: 70, dependent unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9482, independent: 9411, independent conditional: 0, independent unconditional: 9411, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9482, independent: 9411, independent conditional: 0, independent unconditional: 9411, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9482, independent: 9411, independent conditional: 0, independent unconditional: 9411, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7165, independent: 7129, independent conditional: 0, independent unconditional: 7129, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7165, independent: 7115, independent conditional: 0, independent unconditional: 7115, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 50, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2295, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 126, dependent conditional: 0, dependent unconditional: 126, unknown: 2149, unknown conditional: 0, unknown unconditional: 2149] ], Cache Queries: [ total: 9482, independent: 2282, independent conditional: 0, independent unconditional: 2282, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 7165, unknown conditional: 0, unknown unconditional: 7165] , Statistics on independence cache: Total cache size (in pairs): 17561, Positive cache size: 17526, Positive conditional cache size: 0, Positive unconditional cache size: 17526, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 33 PlacesBefore, 33 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 468 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84, independent: 66, independent conditional: 66, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 84, independent: 66, independent conditional: 0, independent unconditional: 66, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 84, independent: 66, independent conditional: 0, independent unconditional: 66, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 84, independent: 66, independent conditional: 0, independent unconditional: 66, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 44, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 44, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 84, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 44, unknown conditional: 0, unknown unconditional: 44] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 30 PlacesBefore, 31 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 146 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, independent: 41, independent conditional: 41, 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: 53, independent: 41, independent conditional: 0, independent unconditional: 41, 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: 53, independent: 41, independent conditional: 0, independent unconditional: 41, 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: 53, independent: 41, independent conditional: 0, independent unconditional: 41, 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: 18, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 5, dependent conditional: 2, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18, independent: 13, independent conditional: 0, independent unconditional: 13, 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: 2, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 17, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 17, dependent conditional: 6, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 53, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 7, dependent conditional: 2, dependent unconditional: 5, unknown: 18, unknown conditional: 2, unknown unconditional: 16] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, 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: 22, independent: 15, independent conditional: 15, 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: 22, independent: 15, independent conditional: 11, independent unconditional: 4, 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: 22, independent: 15, independent conditional: 11, independent unconditional: 4, 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: 22, independent: 15, independent conditional: 11, independent unconditional: 4, 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: 22, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22, independent: 10, independent conditional: 7, independent unconditional: 3, 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): 71, Positive cache size: 55, Positive conditional cache size: 4, Positive unconditional cache size: 51, 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: 1.3s, 40 PlacesBefore, 40 PlacesAfterwards, 31 TransitionsBefore, 30 TransitionsAfterwards, 138 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66, independent: 46, independent conditional: 46, independent unconditional: 0, dependent: 20, dependent conditional: 20, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 66, independent: 46, independent conditional: 18, independent unconditional: 28, dependent: 20, dependent conditional: 14, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 66, independent: 46, independent conditional: 10, independent unconditional: 36, dependent: 20, dependent conditional: 10, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66, independent: 46, independent conditional: 10, independent unconditional: 36, dependent: 20, dependent conditional: 10, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, independent: 11, independent conditional: 4, independent unconditional: 7, dependent: 6, dependent conditional: 5, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 6, dependent conditional: 5, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 15, dependent conditional: 14, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 66, independent: 35, independent conditional: 6, independent unconditional: 29, dependent: 14, dependent conditional: 5, dependent unconditional: 9, unknown: 17, unknown conditional: 9, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 66, Positive conditional cache size: 8, Positive unconditional cache size: 58, Negative cache size: 22, Negative conditional cache size: 11, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 42 PlacesBefore, 42 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 132 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 19, dependent conditional: 19, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 35, independent: 16, independent conditional: 6, independent unconditional: 10, dependent: 19, dependent conditional: 16, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 51, independent: 16, independent conditional: 6, independent unconditional: 10, dependent: 35, dependent conditional: 30, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 51, independent: 16, independent conditional: 6, independent unconditional: 10, dependent: 35, dependent conditional: 30, 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: 51, independent: 16, independent conditional: 6, independent unconditional: 10, dependent: 27, dependent conditional: 22, dependent unconditional: 5, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 96, Positive cache size: 66, Positive conditional cache size: 8, Positive unconditional cache size: 58, Negative cache size: 30, Negative conditional cache size: 19, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 35 PlacesBefore, 35 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 60 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ 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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , 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: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 96, Positive cache size: 66, Positive conditional cache size: 8, Positive unconditional cache size: 58, Negative cache size: 30, Negative conditional cache size: 19, 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 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.8s, 33 PlacesBefore, 32 PlacesAfterwards, 16 TransitionsBefore, 15 TransitionsAfterwards, 28 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, independent: 2, independent conditional: 2, 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: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 68, Positive conditional cache size: 10, Positive unconditional cache size: 58, Negative cache size: 31, Negative conditional cache size: 20, 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 - 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): 99, Positive cache size: 68, Positive conditional cache size: 10, Positive unconditional cache size: 58, Negative cache size: 31, Negative conditional cache size: 20, 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, 452 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: 408.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 390.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 326 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 326 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 663 IncrementalHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 0 mSDtfsCounter, 663 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=4, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 10.8s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 695 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 23:32:07,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...