/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-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 16:43:01,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 16:43:01,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 16:43:01,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 16:43:01,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 16:43:01,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 16:43:01,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 16:43:01,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 16:43:01,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 16:43:01,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 16:43:01,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 16:43:01,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 16:43:01,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 16:43:01,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 16:43:01,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 16:43:01,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 16:43:01,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 16:43:01,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 16:43:01,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 16:43:01,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 16:43:01,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 16:43:01,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 16:43:01,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 16:43:01,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 16:43:01,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 16:43:01,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 16:43:01,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 16:43:01,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 16:43:01,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 16:43:01,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 16:43:01,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 16:43:01,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 16:43:01,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 16:43:01,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 16:43:01,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 16:43:01,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 16:43:01,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 16:43:01,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 16:43:01,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 16:43:01,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 16:43:01,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 16:43:01,151 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-NoLbe.epf [2022-12-06 16:43:01,190 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 16:43:01,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 16:43:01,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-06 16:43:01,192 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-06 16:43:01,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 16:43:01,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 16:43:01,194 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 16:43:01,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 16:43:01,194 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 16:43:01,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 16:43:01,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 16:43:01,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 16:43:01,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 16:43:01,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 16:43:01,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 16:43:01,196 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 16:43:01,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 16:43:01,196 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 16:43:01,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 16:43:01,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 16:43:01,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 16:43:01,197 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 16:43:01,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 16:43:01,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:43:01,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 16:43:01,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 16:43:01,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 16:43:01,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 16:43:01,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 16:43:01,198 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-06 16:43:01,198 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-06 16:43:01,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 16:43:01,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 16:43:01,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 16:43:01,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 16:43:01,528 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 16:43:01,528 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 16:43:01,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-12-06 16:43:02,666 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 16:43:03,171 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 16:43:03,171 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-12-06 16:43:03,216 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbb5c1750/9173a8ff491a4939a1635629f1b24022/FLAG1ec9df726 [2022-12-06 16:43:03,231 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbb5c1750/9173a8ff491a4939a1635629f1b24022 [2022-12-06 16:43:03,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 16:43:03,235 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 16:43:03,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 16:43:03,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 16:43:03,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 16:43:03,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:43:03" (1/1) ... [2022-12-06 16:43:03,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f7c2340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:03, skipping insertion in model container [2022-12-06 16:43:03,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:43:03" (1/1) ... [2022-12-06 16:43:03,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 16:43:03,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 16:43:03,992 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-06 16:43:04,097 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-06 16:43:04,113 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-06 16:43:04,115 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-06 16:43:04,163 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-06 16:43:04,176 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-06 16:43:04,183 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-06 16:43:04,215 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-06 16:43:04,216 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-06 16:43:04,228 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-06 16:43:04,229 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,358 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,373 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,374 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-06 16:43:04,374 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,375 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-12-06 16:43:04,376 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,377 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-06 16:43:04,378 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-12-06 16:43:04,378 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-12-06 16:43:04,382 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-06 16:43:04,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,382 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-06 16:43:04,383 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,384 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 16:43:04,386 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,387 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,388 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 16:43:04,390 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,395 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-06 16:43:04,395 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,396 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,399 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,402 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,403 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,403 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,412 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,414 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-06 16:43:04,415 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,416 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-06 16:43:04,416 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-12-06 16:43:04,417 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-06 16:43:04,418 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,428 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-06 16:43:04,431 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,433 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,433 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,434 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,451 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,453 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,455 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,458 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,461 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-06 16:43:04,463 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,484 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-06 16:43:04,485 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,486 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-06 16:43:04,491 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-06 16:43:04,493 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-06 16:43:04,502 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,506 WARN L623 FunctionHandler]: Unknown extern function async_unwrap_char [2022-12-06 16:43:04,519 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,523 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,556 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,558 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,559 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,560 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,561 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-12-06 16:43:04,562 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-06 16:43:04,562 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-12-06 16:43:04,563 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,563 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,564 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,565 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-06 16:43:04,565 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-06 16:43:04,566 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,567 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,568 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:04,569 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-06 16:43:04,569 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-06 16:43:04,570 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-12-06 16:43:04,755 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-12-06 16:43:04,755 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-12-06 16:43:04,763 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-06 16:43:04,764 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-06 16:43:04,777 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-06 16:43:04,867 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-06 16:43:04,868 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-06 16:43:05,067 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2022-12-06 16:43:05,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:43:05,446 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 16:43:05,552 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-06 16:43:05,561 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-06 16:43:05,565 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-06 16:43:05,567 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-06 16:43:05,570 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-06 16:43:05,571 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-06 16:43:05,571 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-06 16:43:05,572 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-06 16:43:05,573 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-06 16:43:05,574 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-06 16:43:05,575 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,579 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,581 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,586 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,587 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-06 16:43:05,587 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,589 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-12-06 16:43:05,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,590 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-06 16:43:05,590 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-12-06 16:43:05,592 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-12-06 16:43:05,601 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-06 16:43:05,601 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,602 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-06 16:43:05,603 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,604 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 16:43:05,605 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,606 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,606 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 16:43:05,608 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,612 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-06 16:43:05,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,615 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,616 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,616 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,617 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,618 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,621 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-06 16:43:05,622 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,622 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-06 16:43:05,623 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-12-06 16:43:05,623 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-06 16:43:05,624 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,625 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-06 16:43:05,626 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,627 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,627 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,628 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,629 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,629 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,630 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,633 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,633 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,634 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-06 16:43:05,635 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,646 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-06 16:43:05,647 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,647 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-06 16:43:05,648 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-06 16:43:05,655 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-06 16:43:05,660 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,682 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,683 WARN L623 FunctionHandler]: Unknown extern function async_unwrap_char [2022-12-06 16:43:05,684 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,687 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,692 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,699 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,700 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-12-06 16:43:05,701 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-06 16:43:05,701 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-12-06 16:43:05,702 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,702 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,703 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,703 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-06 16:43:05,704 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-06 16:43:05,704 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,705 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,705 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-06 16:43:05,705 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-06 16:43:05,706 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-06 16:43:05,706 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-12-06 16:43:05,738 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-12-06 16:43:05,739 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-12-06 16:43:05,744 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-06 16:43:05,744 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-06 16:43:05,748 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-06 16:43:05,755 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-06 16:43:05,756 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-06 16:43:05,768 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2022-12-06 16:43:05,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:43:05,884 INFO L208 MainTranslator]: Completed translation [2022-12-06 16:43:05,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:05 WrapperNode [2022-12-06 16:43:05,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 16:43:05,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 16:43:05,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 16:43:05,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 16:43:05,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:05" (1/1) ... [2022-12-06 16:43:05,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:05" (1/1) ... [2022-12-06 16:43:06,204 INFO L138 Inliner]: procedures = 326, calls = 1240, calls flagged for inlining = 468, calls inlined = 783, statements flattened = 7434 [2022-12-06 16:43:06,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 16:43:06,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 16:43:06,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 16:43:06,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 16:43:06,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:05" (1/1) ... [2022-12-06 16:43:06,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:05" (1/1) ... [2022-12-06 16:43:06,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:05" (1/1) ... [2022-12-06 16:43:06,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:05" (1/1) ... [2022-12-06 16:43:06,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:05" (1/1) ... [2022-12-06 16:43:06,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:05" (1/1) ... [2022-12-06 16:43:06,401 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:05" (1/1) ... [2022-12-06 16:43:06,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:05" (1/1) ... [2022-12-06 16:43:06,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 16:43:06,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 16:43:06,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 16:43:06,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 16:43:06,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:05" (1/1) ... [2022-12-06 16:43:06,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:43:06,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:43:06,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 16:43:06,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 16:43:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_random_allocationless_scenario_3 [2022-12-06 16:43:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_random_allocationless_scenario_3 [2022-12-06 16:43:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2022-12-06 16:43:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2022-12-06 16:43:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2022-12-06 16:43:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2022-12-06 16:43:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 16:43:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-06 16:43:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 16:43:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-06 16:43:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 16:43:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 16:43:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 16:43:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 16:43:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 16:43:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-06 16:43:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 16:43:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 16:43:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 16:43:06,590 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 16:43:07,209 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 16:43:07,211 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 16:43:11,755 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 16:43:11,789 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 16:43:11,790 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 16:43:11,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:43:11 BoogieIcfgContainer [2022-12-06 16:43:11,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 16:43:11,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 16:43:11,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 16:43:11,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 16:43:11,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:43:03" (1/3) ... [2022-12-06 16:43:11,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa04bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:43:11, skipping insertion in model container [2022-12-06 16:43:11,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:05" (2/3) ... [2022-12-06 16:43:11,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa04bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:43:11, skipping insertion in model container [2022-12-06 16:43:11,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:43:11" (3/3) ... [2022-12-06 16:43:11,804 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-12-06 16:43:11,818 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 16:43:11,819 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 16:43:11,819 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 16:43:13,086 INFO L144 ThreadInstanceAdder]: Constructed 13 joinOtherThreadTransitions. [2022-12-06 16:43:13,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 10652 places, 11249 transitions, 22562 flow [2022-12-06 16:44:32,727 INFO L130 PetriNetUnfolder]: 1156/21170 cut-off events. [2022-12-06 16:44:32,728 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-12-06 16:44:37,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21204 conditions, 21170 events. 1156/21170 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 148323 event pairs, 1 based on Foata normal form. 0/19999 useless extension candidates. Maximal degree in co-relation 20605. Up to 18 conditions per place. [2022-12-06 16:44:37,878 INFO L82 GeneralOperation]: Start removeDead. Operand has 10652 places, 11249 transitions, 22562 flow [2022-12-06 16:44:38,820 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 7926 places, 8369 transitions, 16772 flow [2022-12-06 16:44:38,836 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 16:44:38,858 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=PETRI_NET, 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;@4634109, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 16:44:38,858 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-06 16:44:43,833 INFO L130 PetriNetUnfolder]: 312/6691 cut-off events. [2022-12-06 16:44:43,833 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-06 16:44:43,833 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:44:43,835 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:44:43,835 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ldv_insmod_4Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2022-12-06 16:44:43,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:44:43,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1587075334, now seen corresponding path program 1 times [2022-12-06 16:44:43,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:44:43,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213110014] [2022-12-06 16:44:43,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:44:43,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:44:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:44:45,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:44:45,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:44:45,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213110014] [2022-12-06 16:44:45,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213110014] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:44:45,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:44:45,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 16:44:45,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728142114] [2022-12-06 16:44:45,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:44:45,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 16:44:45,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:44:45,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 16:44:45,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 16:44:45,273 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 11100 out of 11249 [2022-12-06 16:44:45,331 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 7926 places, 8369 transitions, 16772 flow. Second operand has 3 states, 3 states have (on average 11102.333333333334) internal successors, (33307), 3 states have internal predecessors, (33307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:44:45,332 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:44:45,332 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11100 of 11249 [2022-12-06 16:44:45,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:46:15,823 INFO L130 PetriNetUnfolder]: 925/20859 cut-off events. [2022-12-06 16:46:15,823 INFO L131 PetriNetUnfolder]: For 48/61 co-relation queries the response was YES. [2022-12-06 16:46:18,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20952 conditions, 20859 events. 925/20859 cut-off events. For 48/61 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 147074 event pairs, 1 based on Foata normal form. 418/20192 useless extension candidates. Maximal degree in co-relation 20357. Up to 47 conditions per place. [2022-12-06 16:46:19,792 INFO L137 encePairwiseOnDemand]: 11161/11249 looper letters, 17 selfloop transitions, 3 changer transitions 2/8255 dead transitions. [2022-12-06 16:46:19,793 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 7897 places, 8255 transitions, 16584 flow [2022-12-06 16:46:19,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 16:46:19,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 16:46:19,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33447 transitions. [2022-12-06 16:46:19,871 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9911103209174149 [2022-12-06 16:46:19,875 INFO L294 CegarLoopForPetriNet]: 7926 programPoint places, -29 predicate places. [2022-12-06 16:46:19,875 INFO L495 AbstractCegarLoop]: Abstraction has has 7897 places, 8255 transitions, 16584 flow [2022-12-06 16:46:19,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11102.333333333334) internal successors, (33307), 3 states have internal predecessors, (33307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:19,907 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:46:19,908 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:46:19,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 16:46:19,908 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ldv_insmod_4Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2022-12-06 16:46:19,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:46:19,909 INFO L85 PathProgramCache]: Analyzing trace with hash 47866888, now seen corresponding path program 1 times [2022-12-06 16:46:19,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:46:19,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802490346] [2022-12-06 16:46:19,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:46:19,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:46:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:46:20,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:46:20,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:46:20,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802490346] [2022-12-06 16:46:20,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802490346] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:46:20,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:46:20,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 16:46:20,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760509993] [2022-12-06 16:46:20,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:46:20,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 16:46:20,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:46:20,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 16:46:20,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 16:46:20,961 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 11092 out of 11249 [2022-12-06 16:46:21,009 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 7897 places, 8255 transitions, 16584 flow. Second operand has 3 states, 3 states have (on average 11094.0) internal successors, (33282), 3 states have internal predecessors, (33282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:21,009 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:46:21,010 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11092 of 11249 [2022-12-06 16:46:21,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand