./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 09:31:34,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:31:34,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:31:34,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:31:34,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:31:34,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:31:34,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:31:34,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:31:34,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:31:34,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:31:34,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:31:34,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:31:34,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:31:34,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:31:34,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:31:34,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:31:34,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:31:34,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:31:34,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:31:34,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:31:34,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:31:34,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:31:34,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:31:34,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:31:34,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:31:34,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:31:34,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:31:34,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:31:34,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:31:34,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:31:34,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:31:34,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:31:34,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:31:34,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:31:34,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:31:34,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:31:34,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:31:34,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:31:34,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:31:34,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:31:34,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:31:34,334 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 09:31:34,354 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:31:34,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:31:34,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:31:34,355 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:31:34,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:31:34,355 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:31:34,356 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:31:34,356 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:31:34,356 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:31:34,356 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:31:34,356 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:31:34,356 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:31:34,357 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:31:34,357 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:31:34,357 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:31:34,357 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:31:34,357 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:31:34,357 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:31:34,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:31:34,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:31:34,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:31:34,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:31:34,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:31:34,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:31:34,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:31:34,359 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:31:34,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:31:34,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:31:34,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:31:34,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:31:34,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:31:34,360 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:31:34,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:31:34,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:31:34,361 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:31:34,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:31:34,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:31:34,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:31:34,362 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761 [2022-12-14 09:31:34,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:31:34,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:31:34,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:31:34,586 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:31:34,586 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:31:34,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2022-12-14 09:31:37,240 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:31:37,556 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:31:37,557 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2022-12-14 09:31:37,576 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/data/30ea73328/acc90b759a1f401a9b8af979d9113005/FLAG5fd09b16f [2022-12-14 09:31:37,586 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/data/30ea73328/acc90b759a1f401a9b8af979d9113005 [2022-12-14 09:31:37,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:31:37,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:31:37,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:31:37,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:31:37,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:31:37,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:31:37" (1/1) ... [2022-12-14 09:31:37,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@553a69fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:37, skipping insertion in model container [2022-12-14 09:31:37,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:31:37" (1/1) ... [2022-12-14 09:31:37,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:31:37,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:31:38,092 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:31:38,226 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:31:38,227 WARN L623 FunctionHandler]: Unknown extern function schedule_delayed_work [2022-12-14 09:31:38,227 WARN L623 FunctionHandler]: Unknown extern function schedule_delayed_work [2022-12-14 09:31:38,229 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:31:38,234 WARN L623 FunctionHandler]: Unknown extern function schedule_delayed_work [2022-12-14 09:31:38,235 WARN L623 FunctionHandler]: Unknown extern function schedule_delayed_work [2022-12-14 09:31:38,271 WARN L623 FunctionHandler]: Unknown extern function cdrom_open [2022-12-14 09:31:38,274 WARN L623 FunctionHandler]: Unknown extern function cdrom_release [2022-12-14 09:31:38,277 WARN L623 FunctionHandler]: Unknown extern function cdrom_ioctl [2022-12-14 09:31:38,280 WARN L623 FunctionHandler]: Unknown extern function cdrom_check_events [2022-12-14 09:31:38,295 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-12-14 09:31:38,298 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-12-14 09:31:38,300 WARN L623 FunctionHandler]: Unknown extern function pi_write_regr [2022-12-14 09:31:38,303 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,306 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,309 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 09:31:38,310 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 09:31:38,311 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 09:31:38,311 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,312 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 09:31:38,312 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 09:31:38,316 WARN L623 FunctionHandler]: Unknown extern function pi_read_block [2022-12-14 09:31:38,317 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,317 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,318 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,318 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,319 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,319 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,320 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 09:31:38,324 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,325 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,326 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,330 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,330 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,339 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-14 09:31:38,342 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 09:31:38,344 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,344 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,345 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,345 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,346 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 09:31:38,358 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,360 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,370 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-12-14 09:31:38,371 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 09:31:38,372 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-12-14 09:31:38,374 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 09:31:38,375 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,376 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:31:38,377 WARN L623 FunctionHandler]: Unknown extern function blk_fetch_request [2022-12-14 09:31:38,378 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-12-14 09:31:38,381 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:31:38,382 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_cur [2022-12-14 09:31:38,392 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,392 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,393 WARN L623 FunctionHandler]: Unknown extern function pi_do_claimed [2022-12-14 09:31:38,394 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,394 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,395 WARN L623 FunctionHandler]: Unknown extern function pi_do_claimed [2022-12-14 09:31:38,396 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:31:38,409 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-14 09:31:38,410 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:31:38,411 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-12-14 09:31:38,411 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 09:31:38,412 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:31:38,412 WARN L623 FunctionHandler]: Unknown extern function register_cdrom [2022-12-14 09:31:38,413 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-14 09:31:38,416 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 09:31:38,417 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 09:31:38,417 WARN L623 FunctionHandler]: Unknown extern function unregister_cdrom [2022-12-14 09:31:38,417 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:31:38,418 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 09:31:38,418 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 09:31:38,429 WARN L623 FunctionHandler]: Unknown extern function delayed_work_timer_fn [2022-12-14 09:31:38,431 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:31:38,431 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:31:38,432 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:31:38,432 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:31:38,432 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:31:38,433 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 09:31:38,433 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:31:38,433 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:31:38,434 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:31:38,434 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:31:38,434 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:31:38,435 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:31:38,435 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:31:38,439 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i[148417,148430] [2022-12-14 09:31:38,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:31:38,528 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:31:38,578 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:31:38,583 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:31:38,584 WARN L623 FunctionHandler]: Unknown extern function schedule_delayed_work [2022-12-14 09:31:38,584 WARN L623 FunctionHandler]: Unknown extern function schedule_delayed_work [2022-12-14 09:31:38,585 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:31:38,586 WARN L623 FunctionHandler]: Unknown extern function schedule_delayed_work [2022-12-14 09:31:38,586 WARN L623 FunctionHandler]: Unknown extern function schedule_delayed_work [2022-12-14 09:31:38,588 WARN L623 FunctionHandler]: Unknown extern function cdrom_open [2022-12-14 09:31:38,589 WARN L623 FunctionHandler]: Unknown extern function cdrom_release [2022-12-14 09:31:38,590 WARN L623 FunctionHandler]: Unknown extern function cdrom_ioctl [2022-12-14 09:31:38,590 WARN L623 FunctionHandler]: Unknown extern function cdrom_check_events [2022-12-14 09:31:38,595 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-12-14 09:31:38,596 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-12-14 09:31:38,596 WARN L623 FunctionHandler]: Unknown extern function pi_write_regr [2022-12-14 09:31:38,597 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,598 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,598 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 09:31:38,599 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 09:31:38,600 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 09:31:38,600 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,601 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 09:31:38,601 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-12-14 09:31:38,602 WARN L623 FunctionHandler]: Unknown extern function pi_read_block [2022-12-14 09:31:38,603 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,603 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,604 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,604 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,604 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,605 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,605 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 09:31:38,607 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,607 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,608 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,610 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,610 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,614 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-14 09:31:38,615 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-12-14 09:31:38,616 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,617 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,617 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,617 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,618 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-12-14 09:31:38,623 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,625 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,629 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,630 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-12-14 09:31:38,631 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 09:31:38,631 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-12-14 09:31:38,632 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 09:31:38,633 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:31:38,633 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:31:38,634 WARN L623 FunctionHandler]: Unknown extern function blk_fetch_request [2022-12-14 09:31:38,635 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-12-14 09:31:38,636 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:31:38,636 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_cur [2022-12-14 09:31:38,639 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,639 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,640 WARN L623 FunctionHandler]: Unknown extern function pi_do_claimed [2022-12-14 09:31:38,640 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,640 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:31:38,641 WARN L623 FunctionHandler]: Unknown extern function pi_do_claimed [2022-12-14 09:31:38,641 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:31:38,648 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-14 09:31:38,648 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:31:38,649 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-12-14 09:31:38,651 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 09:31:38,652 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:31:38,652 WARN L623 FunctionHandler]: Unknown extern function register_cdrom [2022-12-14 09:31:38,655 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-14 09:31:38,657 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 09:31:38,657 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-12-14 09:31:38,657 WARN L623 FunctionHandler]: Unknown extern function unregister_cdrom [2022-12-14 09:31:38,657 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:31:38,658 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 09:31:38,658 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 09:31:38,679 WARN L623 FunctionHandler]: Unknown extern function delayed_work_timer_fn [2022-12-14 09:31:38,681 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:31:38,682 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:31:38,682 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:31:38,682 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:31:38,683 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:31:38,683 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 09:31:38,684 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:31:38,684 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:31:38,684 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:31:38,685 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:31:38,685 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:31:38,685 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:31:38,685 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:31:38,686 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i[148417,148430] [2022-12-14 09:31:38,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:31:38,749 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:31:38,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:38 WrapperNode [2022-12-14 09:31:38,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:31:38,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:31:38,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:31:38,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:31:38,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:38" (1/1) ... [2022-12-14 09:31:38,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:38" (1/1) ... [2022-12-14 09:31:38,851 INFO L138 Inliner]: procedures = 167, calls = 923, calls flagged for inlining = 60, calls inlined = 52, statements flattened = 1940 [2022-12-14 09:31:38,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:31:38,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:31:38,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:31:38,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:31:38,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:38" (1/1) ... [2022-12-14 09:31:38,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:38" (1/1) ... [2022-12-14 09:31:38,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:38" (1/1) ... [2022-12-14 09:31:38,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:38" (1/1) ... [2022-12-14 09:31:38,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:38" (1/1) ... [2022-12-14 09:31:38,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:38" (1/1) ... [2022-12-14 09:31:38,938 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:38" (1/1) ... [2022-12-14 09:31:38,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:38" (1/1) ... [2022-12-14 09:31:38,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:31:38,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:31:38,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:31:38,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:31:38,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:38" (1/1) ... [2022-12-14 09:31:38,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:31:38,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:31:38,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:31:38,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:31:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_request [2022-12-14 09:31:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_request [2022-12-14 09:31:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2022-12-14 09:31:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2022-12-14 09:31:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2022-12-14 09:31:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2022-12-14 09:31:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_audio_ioctl [2022-12-14 09:31:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_audio_ioctl [2022-12-14 09:31:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2022-12-14 09:31:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2022-12-14 09:31:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2022-12-14 09:31:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2022-12-14 09:31:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 09:31:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure ps_set_intr [2022-12-14 09:31:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_set_intr [2022-12-14 09:31:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_packet [2022-12-14 09:31:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_packet [2022-12-14 09:31:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 09:31:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 09:31:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:31:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_status [2022-12-14 09:31:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_status [2022-12-14 09:31:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2022-12-14 09:31:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2022-12-14 09:31:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 09:31:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 09:31:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 09:31:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 09:31:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-12-14 09:31:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-12-14 09:31:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_tray_move [2022-12-14 09:31:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_tray_move [2022-12-14 09:31:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_read [2022-12-14 09:31:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_read [2022-12-14 09:31:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:31:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 09:31:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 09:31:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_check_events [2022-12-14 09:31:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_check_events [2022-12-14 09:31:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 09:31:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 09:31:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_lock_door [2022-12-14 09:31:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_lock_door [2022-12-14 09:31:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:31:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2022-12-14 09:31:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2022-12-14 09:31:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-14 09:31:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-14 09:31:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_check_events [2022-12-14 09:31:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_check_events [2022-12-14 09:31:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 09:31:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 09:31:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_sleep [2022-12-14 09:31:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_sleep [2022-12-14 09:31:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_wait [2022-12-14 09:31:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_wait [2022-12-14 09:31:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:31:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_atapi [2022-12-14 09:31:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_atapi [2022-12-14 09:31:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pcd_mutex [2022-12-14 09:31:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pcd_mutex [2022-12-14 09:31:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_get_mcn [2022-12-14 09:31:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_get_mcn [2022-12-14 09:31:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 09:31:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 09:31:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:31:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:31:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_identify [2022-12-14 09:31:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_identify [2022-12-14 09:31:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2022-12-14 09:31:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2022-12-14 09:31:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:31:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 09:31:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 09:31:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_probe [2022-12-14 09:31:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_probe [2022-12-14 09:31:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_command [2022-12-14 09:31:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_command [2022-12-14 09:31:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_completion [2022-12-14 09:31:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_completion [2022-12-14 09:31:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:31:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_reset [2022-12-14 09:31:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_reset [2022-12-14 09:31:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 09:31:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2022-12-14 09:31:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2022-12-14 09:31:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2022-12-14 09:31:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2022-12-14 09:31:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2022-12-14 09:31:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2022-12-14 09:31:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pcd_mutex [2022-12-14 09:31:39,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pcd_mutex [2022-12-14 09:31:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-12-14 09:31:39,025 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-12-14 09:31:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-14 09:31:39,025 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-14 09:31:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-12-14 09:31:39,025 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-12-14 09:31:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_reset [2022-12-14 09:31:39,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_reset [2022-12-14 09:31:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:31:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_ioctl [2022-12-14 09:31:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_ioctl [2022-12-14 09:31:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 09:31:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:31:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:31:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure pi_do_claimed [2022-12-14 09:31:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_do_claimed [2022-12-14 09:31:39,356 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:31:39,359 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:31:45,182 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:31:45,710 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:31:45,710 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-12-14 09:31:45,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:31:45 BoogieIcfgContainer [2022-12-14 09:31:45,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:31:45,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:31:45,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:31:45,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:31:45,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:31:37" (1/3) ... [2022-12-14 09:31:45,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c2d18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:31:45, skipping insertion in model container [2022-12-14 09:31:45,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:38" (2/3) ... [2022-12-14 09:31:45,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c2d18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:31:45, skipping insertion in model container [2022-12-14 09:31:45,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:31:45" (3/3) ... [2022-12-14 09:31:45,722 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2022-12-14 09:31:45,742 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:31:45,742 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 09:31:45,802 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:31:45,808 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@25192453, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:31:45,809 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 09:31:45,815 INFO L276 IsEmpty]: Start isEmpty. Operand has 562 states, 359 states have (on average 1.4094707520891365) internal successors, (506), 383 states have internal predecessors, (506), 160 states have call successors, (160), 46 states have call predecessors, (160), 46 states have return successors, (160), 155 states have call predecessors, (160), 160 states have call successors, (160) [2022-12-14 09:31:45,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 09:31:45,825 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:45,826 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:45,826 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:31:45,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:45,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1054071492, now seen corresponding path program 1 times [2022-12-14 09:31:45,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:45,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85671999] [2022-12-14 09:31:45,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:45,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:46,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:46,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:46,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85671999] [2022-12-14 09:31:46,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85671999] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:46,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:46,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 09:31:46,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316503026] [2022-12-14 09:31:46,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:46,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:31:46,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:46,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:31:46,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:31:46,295 INFO L87 Difference]: Start difference. First operand has 562 states, 359 states have (on average 1.4094707520891365) internal successors, (506), 383 states have internal predecessors, (506), 160 states have call successors, (160), 46 states have call predecessors, (160), 46 states have return successors, (160), 155 states have call predecessors, (160), 160 states have call successors, (160) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:49,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:49,072 INFO L93 Difference]: Finished difference Result 1597 states and 2418 transitions. [2022-12-14 09:31:49,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:31:49,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-14 09:31:49,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:49,090 INFO L225 Difference]: With dead ends: 1597 [2022-12-14 09:31:49,090 INFO L226 Difference]: Without dead ends: 1032 [2022-12-14 09:31:49,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:31:49,105 INFO L413 NwaCegarLoop]: 833 mSDtfsCounter, 702 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 1502 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:49,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 1502 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-14 09:31:49,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2022-12-14 09:31:49,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1018. [2022-12-14 09:31:49,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1018 states, 645 states have (on average 1.4031007751937985) internal successors, (905), 677 states have internal predecessors, (905), 288 states have call successors, (288), 85 states have call predecessors, (288), 84 states have return successors, (282), 271 states have call predecessors, (282), 282 states have call successors, (282) [2022-12-14 09:31:49,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1475 transitions. [2022-12-14 09:31:49,242 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1475 transitions. Word has length 14 [2022-12-14 09:31:49,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:49,243 INFO L495 AbstractCegarLoop]: Abstraction has 1018 states and 1475 transitions. [2022-12-14 09:31:49,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:49,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1475 transitions. [2022-12-14 09:31:49,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 09:31:49,246 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:49,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:49,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:31:49,247 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:31:49,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:49,247 INFO L85 PathProgramCache]: Analyzing trace with hash -141660342, now seen corresponding path program 1 times [2022-12-14 09:31:49,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:49,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108872076] [2022-12-14 09:31:49,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:49,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:49,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:49,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:49,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108872076] [2022-12-14 09:31:49,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108872076] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:49,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:49,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:31:49,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319860969] [2022-12-14 09:31:49,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:49,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:31:49,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:49,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:31:49,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:31:49,365 INFO L87 Difference]: Start difference. First operand 1018 states and 1475 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 09:31:50,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:31:52,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:52,699 INFO L93 Difference]: Finished difference Result 2552 states and 3673 transitions. [2022-12-14 09:31:52,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:31:52,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-12-14 09:31:52,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:52,715 INFO L225 Difference]: With dead ends: 2552 [2022-12-14 09:31:52,715 INFO L226 Difference]: Without dead ends: 1535 [2022-12-14 09:31:52,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:31:52,722 INFO L413 NwaCegarLoop]: 796 mSDtfsCounter, 670 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:52,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 1360 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 09:31:52,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1535 states. [2022-12-14 09:31:52,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1535 to 1521. [2022-12-14 09:31:52,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 948 states have (on average 1.3839662447257384) internal successors, (1312), 995 states have internal predecessors, (1312), 437 states have call successors, (437), 136 states have call predecessors, (437), 135 states have return successors, (431), 416 states have call predecessors, (431), 431 states have call successors, (431) [2022-12-14 09:31:52,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2180 transitions. [2022-12-14 09:31:52,826 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2180 transitions. Word has length 16 [2022-12-14 09:31:52,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:52,826 INFO L495 AbstractCegarLoop]: Abstraction has 1521 states and 2180 transitions. [2022-12-14 09:31:52,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 09:31:52,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2180 transitions. [2022-12-14 09:31:52,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 09:31:52,828 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:52,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:52,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 09:31:52,829 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:31:52,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:52,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1335232376, now seen corresponding path program 1 times [2022-12-14 09:31:52,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:52,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175451981] [2022-12-14 09:31:52,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:52,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:52,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:52,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:52,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175451981] [2022-12-14 09:31:52,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175451981] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:52,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:52,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 09:31:52,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305562234] [2022-12-14 09:31:52,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:52,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:31:52,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:52,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:31:52,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:31:52,944 INFO L87 Difference]: Start difference. First operand 1521 states and 2180 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:54,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:54,556 INFO L93 Difference]: Finished difference Result 2802 states and 4004 transitions. [2022-12-14 09:31:54,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:31:54,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-12-14 09:31:54,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:54,563 INFO L225 Difference]: With dead ends: 2802 [2022-12-14 09:31:54,563 INFO L226 Difference]: Without dead ends: 1521 [2022-12-14 09:31:54,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:31:54,567 INFO L413 NwaCegarLoop]: 684 mSDtfsCounter, 777 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:54,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 684 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 09:31:54,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2022-12-14 09:31:54,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1521. [2022-12-14 09:31:54,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 948 states have (on average 1.3818565400843883) internal successors, (1310), 995 states have internal predecessors, (1310), 437 states have call successors, (437), 136 states have call predecessors, (437), 135 states have return successors, (431), 416 states have call predecessors, (431), 431 states have call successors, (431) [2022-12-14 09:31:54,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2178 transitions. [2022-12-14 09:31:54,619 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2178 transitions. Word has length 15 [2022-12-14 09:31:54,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:54,619 INFO L495 AbstractCegarLoop]: Abstraction has 1521 states and 2178 transitions. [2022-12-14 09:31:54,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:54,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2178 transitions. [2022-12-14 09:31:54,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 09:31:54,620 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:54,620 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:54,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 09:31:54,620 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:31:54,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:54,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1869238473, now seen corresponding path program 1 times [2022-12-14 09:31:54,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:54,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805897915] [2022-12-14 09:31:54,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:54,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:54,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:54,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:54,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805897915] [2022-12-14 09:31:54,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805897915] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:54,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:54,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:31:54,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106581715] [2022-12-14 09:31:54,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:54,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:31:54,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:54,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:31:54,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:31:54,748 INFO L87 Difference]: Start difference. First operand 1521 states and 2178 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:57,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:57,922 INFO L93 Difference]: Finished difference Result 2816 states and 4022 transitions. [2022-12-14 09:31:57,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:31:57,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-12-14 09:31:57,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:57,932 INFO L225 Difference]: With dead ends: 2816 [2022-12-14 09:31:57,932 INFO L226 Difference]: Without dead ends: 1535 [2022-12-14 09:31:57,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:31:57,939 INFO L413 NwaCegarLoop]: 683 mSDtfsCounter, 9 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:57,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1365 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 09:31:57,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1535 states. [2022-12-14 09:31:58,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1535 to 1523. [2022-12-14 09:31:58,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 950 states have (on average 1.3810526315789473) internal successors, (1312), 997 states have internal predecessors, (1312), 437 states have call successors, (437), 136 states have call predecessors, (437), 135 states have return successors, (431), 416 states have call predecessors, (431), 431 states have call successors, (431) [2022-12-14 09:31:58,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 2180 transitions. [2022-12-14 09:31:58,028 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 2180 transitions. Word has length 21 [2022-12-14 09:31:58,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:58,028 INFO L495 AbstractCegarLoop]: Abstraction has 1523 states and 2180 transitions. [2022-12-14 09:31:58,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:58,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2180 transitions. [2022-12-14 09:31:58,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:58,030 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:58,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:58,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 09:31:58,030 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:31:58,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:58,031 INFO L85 PathProgramCache]: Analyzing trace with hash 65433203, now seen corresponding path program 1 times [2022-12-14 09:31:58,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:58,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667369929] [2022-12-14 09:31:58,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:58,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:58,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:58,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:58,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667369929] [2022-12-14 09:31:58,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667369929] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:31:58,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954976999] [2022-12-14 09:31:58,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:58,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:31:58,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:31:58,147 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:31:58,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 09:31:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:58,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 09:31:58,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:31:58,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 09:31:58,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:31:58,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954976999] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:58,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 09:31:58,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 09:31:58,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119539409] [2022-12-14 09:31:58,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:58,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:31:58,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:58,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:31:58,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:31:58,493 INFO L87 Difference]: Start difference. First operand 1523 states and 2180 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:01,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:01,371 INFO L93 Difference]: Finished difference Result 2834 states and 4050 transitions. [2022-12-14 09:32:01,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:32:01,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-12-14 09:32:01,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:01,378 INFO L225 Difference]: With dead ends: 2834 [2022-12-14 09:32:01,378 INFO L226 Difference]: Without dead ends: 1551 [2022-12-14 09:32:01,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:32:01,388 INFO L413 NwaCegarLoop]: 691 mSDtfsCounter, 11 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1372 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:32:01,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1372 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-14 09:32:01,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2022-12-14 09:32:01,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1527. [2022-12-14 09:32:01,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1527 states, 954 states have (on average 1.379454926624738) internal successors, (1316), 1001 states have internal predecessors, (1316), 437 states have call successors, (437), 136 states have call predecessors, (437), 135 states have return successors, (431), 416 states have call predecessors, (431), 431 states have call successors, (431) [2022-12-14 09:32:01,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 2184 transitions. [2022-12-14 09:32:01,437 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 2184 transitions. Word has length 24 [2022-12-14 09:32:01,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:01,437 INFO L495 AbstractCegarLoop]: Abstraction has 1527 states and 2184 transitions. [2022-12-14 09:32:01,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:01,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 2184 transitions. [2022-12-14 09:32:01,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 09:32:01,438 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:01,439 INFO L195 NwaCegarLoop]: 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] [2022-12-14 09:32:01,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 09:32:01,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:32:01,639 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:32:01,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:01,640 INFO L85 PathProgramCache]: Analyzing trace with hash 907394337, now seen corresponding path program 1 times [2022-12-14 09:32:01,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:01,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326138811] [2022-12-14 09:32:01,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:01,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:01,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:32:01,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:01,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326138811] [2022-12-14 09:32:01,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326138811] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:32:01,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473690535] [2022-12-14 09:32:01,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:01,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:32:01,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:32:01,805 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:32:01,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 09:32:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:02,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 1177 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:32:02,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:32:02,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 09:32:02,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:32:02,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473690535] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:02,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 09:32:02,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 09:32:02,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423936219] [2022-12-14 09:32:02,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:02,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:32:02,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:02,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:32:02,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:32:02,185 INFO L87 Difference]: Start difference. First operand 1527 states and 2184 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 09:32:05,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:05,124 INFO L93 Difference]: Finished difference Result 3139 states and 4564 transitions. [2022-12-14 09:32:05,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:32:05,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-12-14 09:32:05,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:05,131 INFO L225 Difference]: With dead ends: 3139 [2022-12-14 09:32:05,132 INFO L226 Difference]: Without dead ends: 1852 [2022-12-14 09:32:05,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:32:05,135 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 214 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 1576 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:32:05,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 1576 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-14 09:32:05,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1852 states. [2022-12-14 09:32:05,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1852 to 1551. [2022-12-14 09:32:05,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1551 states, 972 states have (on average 1.3806584362139918) internal successors, (1342), 1019 states have internal predecessors, (1342), 443 states have call successors, (443), 136 states have call predecessors, (443), 135 states have return successors, (437), 422 states have call predecessors, (437), 437 states have call successors, (437) [2022-12-14 09:32:05,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1551 states and 2222 transitions. [2022-12-14 09:32:05,244 INFO L78 Accepts]: Start accepts. Automaton has 1551 states and 2222 transitions. Word has length 28 [2022-12-14 09:32:05,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:05,244 INFO L495 AbstractCegarLoop]: Abstraction has 1551 states and 2222 transitions. [2022-12-14 09:32:05,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 09:32:05,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 2222 transitions. [2022-12-14 09:32:05,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 09:32:05,247 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:05,247 INFO L195 NwaCegarLoop]: 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] [2022-12-14 09:32:05,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 09:32:05,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 09:32:05,447 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:32:05,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:05,448 INFO L85 PathProgramCache]: Analyzing trace with hash -68600814, now seen corresponding path program 1 times [2022-12-14 09:32:05,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:05,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668600381] [2022-12-14 09:32:05,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:05,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:05,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 09:32:05,602 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:05,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668600381] [2022-12-14 09:32:05,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668600381] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:32:05,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448617762] [2022-12-14 09:32:05,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:05,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:32:05,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:32:05,603 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:32:05,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 09:32:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:05,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 1207 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:32:05,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:32:05,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 09:32:05,977 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:32:05,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448617762] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:05,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 09:32:05,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 09:32:05,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581019102] [2022-12-14 09:32:05,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:05,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:32:05,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:05,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:32:05,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:32:05,979 INFO L87 Difference]: Start difference. First operand 1551 states and 2222 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 09:32:07,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:07,351 INFO L93 Difference]: Finished difference Result 1553 states and 2223 transitions. [2022-12-14 09:32:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:32:07,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2022-12-14 09:32:07,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:07,359 INFO L225 Difference]: With dead ends: 1553 [2022-12-14 09:32:07,359 INFO L226 Difference]: Without dead ends: 1550 [2022-12-14 09:32:07,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:32:07,360 INFO L413 NwaCegarLoop]: 682 mSDtfsCounter, 752 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:32:07,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [752 Valid, 682 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 09:32:07,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2022-12-14 09:32:07,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1550. [2022-12-14 09:32:07,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 972 states have (on average 1.3796296296296295) internal successors, (1341), 1018 states have internal predecessors, (1341), 442 states have call successors, (442), 136 states have call predecessors, (442), 135 states have return successors, (437), 422 states have call predecessors, (437), 437 states have call successors, (437) [2022-12-14 09:32:07,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2220 transitions. [2022-12-14 09:32:07,425 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2220 transitions. Word has length 34 [2022-12-14 09:32:07,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:07,426 INFO L495 AbstractCegarLoop]: Abstraction has 1550 states and 2220 transitions. [2022-12-14 09:32:07,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 09:32:07,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2220 transitions. [2022-12-14 09:32:07,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 09:32:07,427 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:07,427 INFO L195 NwaCegarLoop]: 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] [2022-12-14 09:32:07,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 09:32:07,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-12-14 09:32:07,629 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:32:07,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:07,630 INFO L85 PathProgramCache]: Analyzing trace with hash -2126974144, now seen corresponding path program 1 times [2022-12-14 09:32:07,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:07,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405553165] [2022-12-14 09:32:07,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:07,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:07,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 09:32:07,787 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:07,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405553165] [2022-12-14 09:32:07,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405553165] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:32:07,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398684017] [2022-12-14 09:32:07,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:07,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:32:07,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:32:07,788 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:32:07,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 09:32:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:08,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:32:08,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:32:08,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 09:32:08,102 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:32:08,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398684017] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:08,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 09:32:08,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 09:32:08,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126126188] [2022-12-14 09:32:08,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:08,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:32:08,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:08,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:32:08,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:32:08,104 INFO L87 Difference]: Start difference. First operand 1550 states and 2220 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 09:32:09,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:09,799 INFO L93 Difference]: Finished difference Result 1552 states and 2221 transitions. [2022-12-14 09:32:09,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:32:09,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2022-12-14 09:32:09,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:09,805 INFO L225 Difference]: With dead ends: 1552 [2022-12-14 09:32:09,805 INFO L226 Difference]: Without dead ends: 1549 [2022-12-14 09:32:09,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:32:09,806 INFO L413 NwaCegarLoop]: 680 mSDtfsCounter, 749 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:32:09,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [749 Valid, 680 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 09:32:09,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1549 states. [2022-12-14 09:32:09,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1549 to 1549. [2022-12-14 09:32:09,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1549 states, 972 states have (on average 1.3786008230452675) internal successors, (1340), 1017 states have internal predecessors, (1340), 441 states have call successors, (441), 136 states have call predecessors, (441), 135 states have return successors, (437), 422 states have call predecessors, (437), 437 states have call successors, (437) [2022-12-14 09:32:09,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 1549 states and 2218 transitions. [2022-12-14 09:32:09,867 INFO L78 Accepts]: Start accepts. Automaton has 1549 states and 2218 transitions. Word has length 35 [2022-12-14 09:32:09,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:09,868 INFO L495 AbstractCegarLoop]: Abstraction has 1549 states and 2218 transitions. [2022-12-14 09:32:09,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 09:32:09,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 2218 transitions. [2022-12-14 09:32:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 09:32:09,870 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:09,870 INFO L195 NwaCegarLoop]: 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] [2022-12-14 09:32:09,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 09:32:10,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:32:10,071 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:32:10,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:10,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1512033067, now seen corresponding path program 1 times [2022-12-14 09:32:10,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:10,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748497215] [2022-12-14 09:32:10,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:10,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:10,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 09:32:10,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:10,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748497215] [2022-12-14 09:32:10,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748497215] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:32:10,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714869725] [2022-12-14 09:32:10,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:10,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:32:10,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:32:10,210 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:32:10,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 09:32:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:10,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 1211 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:32:10,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:32:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 09:32:10,573 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:32:10,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714869725] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:10,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 09:32:10,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 09:32:10,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602199787] [2022-12-14 09:32:10,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:10,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:32:10,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:10,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:32:10,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:32:10,575 INFO L87 Difference]: Start difference. First operand 1549 states and 2218 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 09:32:11,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:11,938 INFO L93 Difference]: Finished difference Result 1551 states and 2219 transitions. [2022-12-14 09:32:11,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:32:11,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-12-14 09:32:11,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:11,945 INFO L225 Difference]: With dead ends: 1551 [2022-12-14 09:32:11,945 INFO L226 Difference]: Without dead ends: 1548 [2022-12-14 09:32:11,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:32:11,946 INFO L413 NwaCegarLoop]: 678 mSDtfsCounter, 746 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:32:11,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 678 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 09:32:11,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2022-12-14 09:32:12,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1548. [2022-12-14 09:32:12,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1548 states, 972 states have (on average 1.3775720164609053) internal successors, (1339), 1016 states have internal predecessors, (1339), 440 states have call successors, (440), 136 states have call predecessors, (440), 135 states have return successors, (437), 422 states have call predecessors, (437), 437 states have call successors, (437) [2022-12-14 09:32:12,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 1548 states and 2216 transitions. [2022-12-14 09:32:12,032 INFO L78 Accepts]: Start accepts. Automaton has 1548 states and 2216 transitions. Word has length 36 [2022-12-14 09:32:12,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:12,032 INFO L495 AbstractCegarLoop]: Abstraction has 1548 states and 2216 transitions. [2022-12-14 09:32:12,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 09:32:12,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 2216 transitions. [2022-12-14 09:32:12,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 09:32:12,035 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:12,035 INFO L195 NwaCegarLoop]: 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] [2022-12-14 09:32:12,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 09:32:12,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:32:12,237 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:32:12,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:12,238 INFO L85 PathProgramCache]: Analyzing trace with hash 371276003, now seen corresponding path program 1 times [2022-12-14 09:32:12,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:12,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818914570] [2022-12-14 09:32:12,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:12,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:12,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 09:32:12,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:12,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818914570] [2022-12-14 09:32:12,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818914570] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:32:12,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564487115] [2022-12-14 09:32:12,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:12,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:32:12,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:32:12,413 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:32:12,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 09:32:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:12,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 1213 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:32:12,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:32:12,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 09:32:12,807 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:32:12,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564487115] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:12,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 09:32:12,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 09:32:12,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918194747] [2022-12-14 09:32:12,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:12,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:32:12,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:12,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:32:12,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:32:12,809 INFO L87 Difference]: Start difference. First operand 1548 states and 2216 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 09:32:14,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:14,741 INFO L93 Difference]: Finished difference Result 1550 states and 2217 transitions. [2022-12-14 09:32:14,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:32:14,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37 [2022-12-14 09:32:14,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:14,747 INFO L225 Difference]: With dead ends: 1550 [2022-12-14 09:32:14,747 INFO L226 Difference]: Without dead ends: 1526 [2022-12-14 09:32:14,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:32:14,749 INFO L413 NwaCegarLoop]: 674 mSDtfsCounter, 718 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:32:14,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [718 Valid, 689 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 09:32:14,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1526 states. [2022-12-14 09:32:14,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1526 to 1526. [2022-12-14 09:32:14,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1526 states, 958 states have (on average 1.3768267223382047) internal successors, (1319), 1000 states have internal predecessors, (1319), 435 states have call successors, (435), 133 states have call predecessors, (435), 132 states have return successors, (434), 419 states have call predecessors, (434), 434 states have call successors, (434) [2022-12-14 09:32:14,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 2188 transitions. [2022-12-14 09:32:14,868 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 2188 transitions. Word has length 37 [2022-12-14 09:32:14,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:14,868 INFO L495 AbstractCegarLoop]: Abstraction has 1526 states and 2188 transitions. [2022-12-14 09:32:14,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 09:32:14,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 2188 transitions. [2022-12-14 09:32:14,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 09:32:14,873 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:14,873 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:32:14,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 09:32:15,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 09:32:15,074 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:32:15,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:15,074 INFO L85 PathProgramCache]: Analyzing trace with hash 156433961, now seen corresponding path program 1 times [2022-12-14 09:32:15,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:15,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856251099] [2022-12-14 09:32:15,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:15,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:15,179 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 09:32:15,179 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:15,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856251099] [2022-12-14 09:32:15,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856251099] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:32:15,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389302264] [2022-12-14 09:32:15,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:15,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:32:15,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:32:15,181 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:32:15,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dea456ad-0724-4560-a36d-b2a6a10115e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 09:32:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:15,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 1310 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:32:15,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:32:15,516 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 09:32:15,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:32:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 09:32:15,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389302264] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:32:15,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1181858332] [2022-12-14 09:32:15,566 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2022-12-14 09:32:15,567 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:32:15,569 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:32:15,573 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:32:15,573 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:32:16,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 19 select indices, 19 select index equivalence classes, 231 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 1039 treesize of output 887 [2022-12-14 09:32:17,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 438 treesize of output 374 [2022-12-14 09:32:17,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 402 treesize of output 338 [2022-12-14 09:32:26,306 INFO L321 Elim1Store]: treesize reduction 1152, result has 33.4 percent of original size [2022-12-14 09:32:26,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 66 select indices, 66 select index equivalence classes, 2081 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 128 case distinctions, treesize of input 337 treesize of output 785 [2022-12-14 09:32:27,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 64 select indices, 64 select index equivalence classes, 2081 disjoint index pairs (out of 2016 index pairs), introduced 64 new quantified variables, introduced 0 case distinctions, treesize of input 327 treesize of output 518 [2022-12-14 09:32:31,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:31,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,178 INFO L217 Elim1Store]: Index analysis took 464 ms [2022-12-14 09:32:32,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 65 select indices, 65 select index equivalence classes, 2146 disjoint index pairs (out of 2080 index pairs), introduced 65 new quantified variables, introduced 0 case distinctions, treesize of input 334 treesize of output 528 [2022-12-14 09:32:32,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:32:32,718 INFO L217 Elim1Store]: Index analysis took 124 ms [2022-12-14 09:32:33,530 INFO L321 Elim1Store]: treesize reduction 564, result has 33.5 percent of original size [2022-12-14 09:32:33,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 67 select indices, 67 select index equivalence classes, 2180 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 62 case distinctions, treesize of input 344 treesize of output 665 [2022-12-14 09:33:09,545 INFO L321 Elim1Store]: treesize reduction 2364, result has 20.5 percent of original size [2022-12-14 09:33:09,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 68 select indices, 68 select index equivalence classes, 2081 disjoint index pairs (out of 2278 index pairs), introduced 68 new quantified variables, introduced 263 case distinctions, treesize of input 7496 treesize of output 7838 [2022-12-14 09:33:11,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:33:11,857 INFO L217 Elim1Store]: Index analysis took 107 ms [2022-12-14 09:33:12,012 INFO L321 Elim1Store]: treesize reduction 537, result has 2.4 percent of original size [2022-12-14 09:33:12,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 66 select indices, 66 select index equivalence classes, 2146 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 66 case distinctions, treesize of input 7487 treesize of output 7560 [2022-12-14 09:34:01,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:34:01,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:34:03,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:34:03,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:34:12,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:34:17,652 INFO L321 Elim1Store]: treesize reduction 1152, result has 33.4 percent of original size [2022-12-14 09:34:17,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 66 select indices, 66 select index equivalence classes, 2081 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 128 case distinctions, treesize of input 337 treesize of output 785 [2022-12-14 09:34:18,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 64 select indices, 64 select index equivalence classes, 2081 disjoint index pairs (out of 2016 index pairs), introduced 64 new quantified variables, introduced 0 case distinctions, treesize of input 327 treesize of output 518 [2022-12-14 09:34:22,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:22,741 INFO L217 Elim1Store]: Index analysis took 115 ms [2022-12-14 09:34:22,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 65 select indices, 65 select index equivalence classes, 2146 disjoint index pairs (out of 2080 index pairs), introduced 65 new quantified variables, introduced 0 case distinctions, treesize of input 334 treesize of output 528 [2022-12-14 09:34:23,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:34:23,103 INFO L217 Elim1Store]: Index analysis took 101 ms [2022-12-14 09:34:25,216 INFO L321 Elim1Store]: treesize reduction 1104, result has 33.4 percent of original size [2022-12-14 09:34:25,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 67 select indices, 67 select index equivalence classes, 2150 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 122 case distinctions, treesize of input 344 treesize of output 785 [2022-12-14 09:35:00,779 INFO L321 Elim1Store]: treesize reduction 2086, result has 14.0 percent of original size [2022-12-14 09:35:00,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 66 select indices, 66 select index equivalence classes, 2017 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 195 case distinctions, treesize of input 7611 treesize of output 7684 [2022-12-14 09:35:03,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:03,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:35:05,525 INFO L321 Elim1Store]: treesize reduction 1980, result has 15.1 percent of original size [2022-12-14 09:35:05,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 68 select indices, 68 select index equivalence classes, 2145 disjoint index pairs (out of 2278 index pairs), introduced 68 new quantified variables, introduced 199 case distinctions, treesize of input 7612 treesize of output 7698 [2022-12-14 09:35:52,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:35:52,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:35:55,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:35:55,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:36:06,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:36:14,512 INFO L197 IcfgInterpreter]: Interpreting procedure put_disk with input of size 217 for LOIs [2022-12-14 09:36:14,532 INFO L197 IcfgInterpreter]: Interpreting procedure pi_init with input of size 275 for LOIs [2022-12-14 09:36:14,636 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:36:23,136 WARN L233 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 1358 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:36:30,811 WARN L233 SmtUtils]: Spent 7.53s on a formula simplification that was a NOOP. DAG size: 1371 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:36:40,094 WARN L233 SmtUtils]: Spent 9.08s on a formula simplification that was a NOOP. DAG size: 1373 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:36:47,755 WARN L233 SmtUtils]: Spent 7.46s on a formula simplification that was a NOOP. DAG size: 1361 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:37:40,265 WARN L233 SmtUtils]: Spent 52.20s on a formula simplification. DAG size of input: 1571 DAG size of output: 1387 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:37:48,620 WARN L233 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 1376 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:37:56,501 WARN L233 SmtUtils]: Spent 7.58s on a formula simplification that was a NOOP. DAG size: 1364 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:38:18,837 WARN L233 SmtUtils]: Spent 22.02s on a formula simplification. DAG size of input: 1595 DAG size of output: 1389 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:38:43,517 WARN L233 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 1375 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:38:52,100 WARN L233 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 1377 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:38:59,786 WARN L233 SmtUtils]: Spent 7.09s on a formula simplification that was a NOOP. DAG size: 1361 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:38:59,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1181858332] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:38:59,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:38:59,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [4, 4, 4] total 35 [2022-12-14 09:38:59,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246910642] [2022-12-14 09:38:59,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:38:59,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-12-14 09:38:59,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:38:59,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-12-14 09:38:59,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1037, Unknown=0, NotChecked=0, Total=1190 [2022-12-14 09:38:59,791 INFO L87 Difference]: Start difference. First operand 1526 states and 2188 transitions. Second operand has 30 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 26 states have internal predecessors, (40), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-14 09:39:33,816 WARN L233 SmtUtils]: Spent 30.60s on a formula simplification. DAG size of input: 1390 DAG size of output: 1389 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:39:50,951 WARN L233 SmtUtils]: Spent 16.54s on a formula simplification. DAG size of input: 1379 DAG size of output: 1377 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:40:12,112 WARN L233 SmtUtils]: Spent 18.24s on a formula simplification. DAG size of input: 1383 DAG size of output: 1381 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:40:47,639 WARN L233 SmtUtils]: Spent 32.51s on a formula simplification. DAG size of input: 1392 DAG size of output: 1389 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:41:06,608 WARN L233 SmtUtils]: Spent 18.00s on a formula simplification. DAG size of input: 1394 DAG size of output: 1392 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:41:26,664 WARN L233 SmtUtils]: Spent 19.38s on a formula simplification. DAG size of input: 1415 DAG size of output: 1413 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:41:45,259 WARN L233 SmtUtils]: Spent 18.00s on a formula simplification. DAG size of input: 1411 DAG size of output: 1409 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:42:03,470 WARN L233 SmtUtils]: Spent 17.76s on a formula simplification. DAG size of input: 1445 DAG size of output: 1443 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:42:22,713 WARN L233 SmtUtils]: Spent 18.68s on a formula simplification. DAG size of input: 1425 DAG size of output: 1421 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:42:41,352 WARN L233 SmtUtils]: Spent 17.79s on a formula simplification. DAG size of input: 1408 DAG size of output: 1404 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:42:59,156 WARN L233 SmtUtils]: Spent 17.06s on a formula simplification. DAG size of input: 1404 DAG size of output: 1400 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:43:16,953 WARN L233 SmtUtils]: Spent 17.00s on a formula simplification. DAG size of input: 1413 DAG size of output: 1401 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:43:35,018 WARN L233 SmtUtils]: Spent 14.93s on a formula simplification. DAG size of input: 1367 DAG size of output: 1365 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:43:56,090 WARN L233 SmtUtils]: Spent 19.86s on a formula simplification. DAG size of input: 1411 DAG size of output: 1407 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:44:22,873 WARN L233 SmtUtils]: Spent 25.80s on a formula simplification. DAG size of input: 1414 DAG size of output: 1398 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:44:41,062 WARN L233 SmtUtils]: Spent 17.77s on a formula simplification. DAG size of input: 1392 DAG size of output: 1390 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:45:07,578 WARN L233 SmtUtils]: Spent 25.76s on a formula simplification. DAG size of input: 1415 DAG size of output: 1399 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)