./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--pf.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 65cc93bea37c503291576929a444106bffa9d5b7b84b8d294ee7e7120b60ffa5 --- 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-38b53e6 [2022-11-25 17:18:22,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:18:22,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:18:22,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:18:22,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:18:22,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:18:22,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:18:22,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:18:22,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:18:22,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:18:22,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:18:22,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:18:22,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:18:22,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:18:22,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:18:22,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:18:22,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:18:22,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:18:22,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:18:22,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:18:22,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:18:22,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:18:22,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:18:22,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:18:22,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:18:22,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:18:22,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:18:22,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:18:22,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:18:22,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:18:22,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:18:22,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:18:22,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:18:22,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:18:22,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:18:22,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:18:22,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:18:22,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:18:22,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:18:22,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:18:22,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:18:22,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 17:18:23,005 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:18:23,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:18:23,006 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:18:23,006 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:18:23,007 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:18:23,007 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:18:23,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:18:23,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:18:23,009 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:18:23,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:18:23,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:18:23,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:18:23,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:18:23,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:18:23,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:18:23,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:18:23,012 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:18:23,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:18:23,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:18:23,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:18:23,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:18:23,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:18:23,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:18:23,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:18:23,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:18:23,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:18:23,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:18:23,016 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:18:23,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:18:23,016 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:18:23,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:18:23,017 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65cc93bea37c503291576929a444106bffa9d5b7b84b8d294ee7e7120b60ffa5 [2022-11-25 17:18:23,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:18:23,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:18:23,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:18:23,356 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:18:23,357 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:18:23,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2022-11-25 17:18:26,521 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:18:27,116 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:18:27,117 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2022-11-25 17:18:27,152 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/data/1324486c9/0a97ef6719c848bf9169da7aa10a4e88/FLAG82b78cb47 [2022-11-25 17:18:27,167 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/data/1324486c9/0a97ef6719c848bf9169da7aa10a4e88 [2022-11-25 17:18:27,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:18:27,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:18:27,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:18:27,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:18:27,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:18:27,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:18:27" (1/1) ... [2022-11-25 17:18:27,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd9642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:27, skipping insertion in model container [2022-11-25 17:18:27,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:18:27" (1/1) ... [2022-11-25 17:18:27,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:18:27,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:18:27,925 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 17:18:28,142 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:18:28,145 WARN L623 FunctionHandler]: Unknown extern function schedule_delayed_work [2022-11-25 17:18:28,147 WARN L623 FunctionHandler]: Unknown extern function schedule_delayed_work [2022-11-25 17:18:28,150 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:18:28,164 WARN L623 FunctionHandler]: Unknown extern function schedule_delayed_work [2022-11-25 17:18:28,165 WARN L623 FunctionHandler]: Unknown extern function schedule_delayed_work [2022-11-25 17:18:28,274 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-11-25 17:18:28,284 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-11-25 17:18:28,289 WARN L623 FunctionHandler]: Unknown extern function pi_write_regr [2022-11-25 17:18:28,295 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:18:28,309 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:28,315 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-11-25 17:18:28,327 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:28,329 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:28,330 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:28,331 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:28,331 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-11-25 17:18:28,336 WARN L623 FunctionHandler]: Unknown extern function pi_read_block [2022-11-25 17:18:28,340 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:28,347 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:18:28,355 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:18:28,357 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:28,362 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:18:28,364 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:18:28,379 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-25 17:18:28,383 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-11-25 17:18:28,386 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:28,387 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:28,388 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:28,389 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:28,390 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:28,413 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:28,420 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:28,422 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:28,423 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:28,424 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:28,425 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:28,426 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:28,436 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:28,437 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-11-25 17:18:28,439 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-11-25 17:18:28,441 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-11-25 17:18:28,444 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-11-25 17:18:28,445 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-11-25 17:18:28,450 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:28,451 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-25 17:18:28,459 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:18:28,467 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:18:28,475 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_cur [2022-11-25 17:18:28,477 WARN L623 FunctionHandler]: Unknown extern function blk_fetch_request [2022-11-25 17:18:28,480 WARN L623 FunctionHandler]: Unknown extern function pi_do_claimed [2022-11-25 17:18:28,481 WARN L623 FunctionHandler]: Unknown extern function pi_do_claimed [2022-11-25 17:18:28,486 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:18:28,490 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:18:28,492 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:28,493 WARN L623 FunctionHandler]: Unknown extern function pi_do_claimed [2022-11-25 17:18:28,495 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:28,496 WARN L623 FunctionHandler]: Unknown extern function pi_do_claimed [2022-11-25 17:18:28,496 WARN L623 FunctionHandler]: Unknown extern function pi_read_block [2022-11-25 17:18:28,497 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:28,540 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:28,541 WARN L623 FunctionHandler]: Unknown extern function pi_do_claimed [2022-11-25 17:18:28,542 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:28,543 WARN L623 FunctionHandler]: Unknown extern function pi_do_claimed [2022-11-25 17:18:28,544 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-11-25 17:18:28,546 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:28,546 WARN L623 FunctionHandler]: Unknown extern function pi_do_claimed [2022-11-25 17:18:28,550 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:28,554 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-11-25 17:18:28,555 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-25 17:18:28,557 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-11-25 17:18:28,558 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-25 17:18:28,560 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-25 17:18:28,561 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-11-25 17:18:28,563 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-11-25 17:18:28,567 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-25 17:18:28,600 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-25 17:18:28,600 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-25 17:18:28,601 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-11-25 17:18:28,601 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-25 17:18:28,614 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 17:18:28,615 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:18:28,615 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 17:18:28,616 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:18:28,616 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 17:18:28,617 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-25 17:18:28,618 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:18:28,619 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 17:18:28,619 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:18:28,620 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 17:18:28,620 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:18:28,621 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 17:18:28,621 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:18:28,622 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:18:28,627 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_639e6be8-4ca1-442a-a114-f6d16ca04c57/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i[138616,138629] [2022-11-25 17:18:28,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:18:28,769 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:18:28,910 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 17:18:28,928 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:18:28,929 WARN L623 FunctionHandler]: Unknown extern function schedule_delayed_work [2022-11-25 17:18:28,931 WARN L623 FunctionHandler]: Unknown extern function schedule_delayed_work [2022-11-25 17:18:28,933 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:18:28,937 WARN L623 FunctionHandler]: Unknown extern function schedule_delayed_work [2022-11-25 17:18:28,938 WARN L623 FunctionHandler]: Unknown extern function schedule_delayed_work [2022-11-25 17:18:28,968 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-11-25 17:18:28,969 WARN L623 FunctionHandler]: Unknown extern function pi_read_regr [2022-11-25 17:18:28,970 WARN L623 FunctionHandler]: Unknown extern function pi_write_regr [2022-11-25 17:18:28,971 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:18:28,973 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:28,974 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-11-25 17:18:28,976 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:28,977 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:28,978 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:28,979 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:28,980 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-11-25 17:18:28,985 WARN L623 FunctionHandler]: Unknown extern function pi_read_block [2022-11-25 17:18:28,986 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:28,992 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:18:28,993 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:18:28,996 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:29,002 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:18:29,003 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:18:29,016 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-25 17:18:29,017 WARN L623 FunctionHandler]: Unknown extern function pi_connect [2022-11-25 17:18:29,020 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:29,021 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:29,022 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:29,022 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:29,023 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:29,033 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:29,046 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:29,049 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:29,050 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:29,051 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:29,053 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:29,054 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:29,065 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:29,067 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-11-25 17:18:29,070 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-11-25 17:18:29,075 WARN L623 FunctionHandler]: Unknown extern function pi_init [2022-11-25 17:18:29,077 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-11-25 17:18:29,078 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-11-25 17:18:29,079 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:18:29,080 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-25 17:18:29,087 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:18:29,089 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:18:29,095 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_cur [2022-11-25 17:18:29,097 WARN L623 FunctionHandler]: Unknown extern function blk_fetch_request [2022-11-25 17:18:29,100 WARN L623 FunctionHandler]: Unknown extern function pi_do_claimed [2022-11-25 17:18:29,101 WARN L623 FunctionHandler]: Unknown extern function pi_do_claimed [2022-11-25 17:18:29,109 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:18:29,111 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:18:29,114 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:29,115 WARN L623 FunctionHandler]: Unknown extern function pi_do_claimed [2022-11-25 17:18:29,116 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:29,117 WARN L623 FunctionHandler]: Unknown extern function pi_do_claimed [2022-11-25 17:18:29,117 WARN L623 FunctionHandler]: Unknown extern function pi_read_block [2022-11-25 17:18:29,119 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:29,120 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:29,120 WARN L623 FunctionHandler]: Unknown extern function pi_do_claimed [2022-11-25 17:18:29,121 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:29,122 WARN L623 FunctionHandler]: Unknown extern function pi_do_claimed [2022-11-25 17:18:29,123 WARN L623 FunctionHandler]: Unknown extern function pi_write_block [2022-11-25 17:18:29,124 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:29,125 WARN L623 FunctionHandler]: Unknown extern function pi_do_claimed [2022-11-25 17:18:29,125 WARN L623 FunctionHandler]: Unknown extern function pi_disconnect [2022-11-25 17:18:29,126 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-11-25 17:18:29,127 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-25 17:18:29,128 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-11-25 17:18:29,133 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-25 17:18:29,134 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-25 17:18:29,134 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-11-25 17:18:29,139 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-11-25 17:18:29,141 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-25 17:18:29,141 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-25 17:18:29,142 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-25 17:18:29,142 WARN L623 FunctionHandler]: Unknown extern function pi_release [2022-11-25 17:18:29,143 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-25 17:18:29,147 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 17:18:29,148 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:18:29,148 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 17:18:29,149 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:18:29,149 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 17:18:29,150 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-25 17:18:29,150 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:18:29,151 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 17:18:29,151 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:18:29,152 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 17:18:29,152 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:18:29,153 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 17:18:29,153 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:18:29,154 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:18:29,154 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_639e6be8-4ca1-442a-a114-f6d16ca04c57/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i[138616,138629] [2022-11-25 17:18:29,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:18:29,246 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:18:29,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:29 WrapperNode [2022-11-25 17:18:29,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:18:29,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:18:29,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:18:29,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:18:29,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:29" (1/1) ... [2022-11-25 17:18:29,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:29" (1/1) ... [2022-11-25 17:18:29,389 INFO L138 Inliner]: procedures = 161, calls = 831, calls flagged for inlining = 53, calls inlined = 28, statements flattened = 1123 [2022-11-25 17:18:29,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:18:29,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:18:29,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:18:29,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:18:29,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:29" (1/1) ... [2022-11-25 17:18:29,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:29" (1/1) ... [2022-11-25 17:18:29,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:29" (1/1) ... [2022-11-25 17:18:29,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:29" (1/1) ... [2022-11-25 17:18:29,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:29" (1/1) ... [2022-11-25 17:18:29,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:29" (1/1) ... [2022-11-25 17:18:29,595 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:29" (1/1) ... [2022-11-25 17:18:29,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:29" (1/1) ... [2022-11-25 17:18:29,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:18:29,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:18:29,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:18:29,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:18:29,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:29" (1/1) ... [2022-11-25 17:18:29,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:18:29,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:29,693 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:18:29,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:18:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2022-11-25 17:18:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2022-11-25 17:18:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure pf_getgeo [2022-11-25 17:18:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_getgeo [2022-11-25 17:18:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2022-11-25 17:18:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2022-11-25 17:18:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2022-11-25 17:18:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2022-11-25 17:18:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2022-11-25 17:18:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2022-11-25 17:18:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 17:18:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pf_mutex [2022-11-25 17:18:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pf_mutex [2022-11-25 17:18:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure pf_reset [2022-11-25 17:18:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_reset [2022-11-25 17:18:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:18:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2022-11-25 17:18:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2022-11-25 17:18:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure pf_wait [2022-11-25 17:18:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_wait [2022-11-25 17:18:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2022-11-25 17:18:29,782 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2022-11-25 17:18:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 17:18:29,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 17:18:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pf_mutex [2022-11-25 17:18:29,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pf_mutex [2022-11-25 17:18:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure pf_check_events [2022-11-25 17:18:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_check_events [2022-11-25 17:18:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-25 17:18:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-25 17:18:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:18:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 17:18:29,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 17:18:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 17:18:29,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 17:18:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-11-25 17:18:29,784 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-11-25 17:18:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure pf_req_sense [2022-11-25 17:18:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_req_sense [2022-11-25 17:18:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure pf_completion [2022-11-25 17:18:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_completion [2022-11-25 17:18:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:18:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-25 17:18:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-25 17:18:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:18:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 17:18:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 17:18:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:18:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:18:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure pf_atapi [2022-11-25 17:18:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_atapi [2022-11-25 17:18:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure pf_command [2022-11-25 17:18:29,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_command [2022-11-25 17:18:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure pf_probe [2022-11-25 17:18:29,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_probe [2022-11-25 17:18:29,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:18:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure pf_identify [2022-11-25 17:18:29,794 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_identify [2022-11-25 17:18:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure pf_sleep [2022-11-25 17:18:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_sleep [2022-11-25 17:18:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure pf_mode_sense [2022-11-25 17:18:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_mode_sense [2022-11-25 17:18:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2022-11-25 17:18:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2022-11-25 17:18:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:18:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 17:18:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2022-11-25 17:18:29,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2022-11-25 17:18:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2022-11-25 17:18:29,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2022-11-25 17:18:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2022-11-25 17:18:29,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2022-11-25 17:18:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-11-25 17:18:29,804 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-11-25 17:18:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2022-11-25 17:18:29,805 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2022-11-25 17:18:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure pf_lock [2022-11-25 17:18:29,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_lock [2022-11-25 17:18:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:18:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure xl [2022-11-25 17:18:29,806 INFO L138 BoogieDeclarations]: Found implementation of procedure xl [2022-11-25 17:18:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:18:29,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:18:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2022-11-25 17:18:29,806 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2022-11-25 17:18:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure pf_ioctl [2022-11-25 17:18:29,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_ioctl [2022-11-25 17:18:30,352 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:18:30,357 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:18:34,280 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:18:34,305 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:18:34,308 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 17:18:34,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:18:34 BoogieIcfgContainer [2022-11-25 17:18:34,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:18:34,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:18:34,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:18:34,321 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:18:34,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:18:27" (1/3) ... [2022-11-25 17:18:34,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5912ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:18:34, skipping insertion in model container [2022-11-25 17:18:34,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:29" (2/3) ... [2022-11-25 17:18:34,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5912ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:18:34, skipping insertion in model container [2022-11-25 17:18:34,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:18:34" (3/3) ... [2022-11-25 17:18:34,329 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2022-11-25 17:18:34,357 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:18:34,357 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:18:34,440 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:18:34,448 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@34f82ced, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:18:34,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:18:34,458 INFO L276 IsEmpty]: Start isEmpty. Operand has 516 states, 367 states have (on average 1.3542234332425067) internal successors, (497), 381 states have internal predecessors, (497), 112 states have call successors, (112), 37 states have call predecessors, (112), 37 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2022-11-25 17:18:34,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 17:18:34,471 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:34,471 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:18:34,472 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:18:34,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:34,481 INFO L85 PathProgramCache]: Analyzing trace with hash 223119822, now seen corresponding path program 1 times [2022-11-25 17:18:34,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:34,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764929109] [2022-11-25 17:18:34,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:34,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:35,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:18:35,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:35,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764929109] [2022-11-25 17:18:35,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764929109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:18:35,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:18:35,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:18:35,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953441595] [2022-11-25 17:18:35,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:18:35,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:18:35,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:35,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:18:35,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:18:35,091 INFO L87 Difference]: Start difference. First operand has 516 states, 367 states have (on average 1.3542234332425067) internal successors, (497), 381 states have internal predecessors, (497), 112 states have call successors, (112), 37 states have call predecessors, (112), 37 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-11-25 17:18:35,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:35,457 INFO L93 Difference]: Finished difference Result 1417 states and 2033 transitions. [2022-11-25 17:18:35,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:18:35,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 16 [2022-11-25 17:18:35,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:35,493 INFO L225 Difference]: With dead ends: 1417 [2022-11-25 17:18:35,494 INFO L226 Difference]: Without dead ends: 896 [2022-11-25 17:18:35,506 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 [2022-11-25 17:18:35,514 INFO L413 NwaCegarLoop]: 996 mSDtfsCounter, 536 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 1665 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:35,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 1665 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:18:35,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2022-11-25 17:18:35,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 882. [2022-11-25 17:18:35,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 882 states, 630 states have (on average 1.3412698412698412) internal successors, (845), 643 states have internal predecessors, (845), 187 states have call successors, (187), 65 states have call predecessors, (187), 64 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2022-11-25 17:18:35,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1213 transitions. [2022-11-25 17:18:35,719 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1213 transitions. Word has length 16 [2022-11-25 17:18:35,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:18:35,720 INFO L495 AbstractCegarLoop]: Abstraction has 882 states and 1213 transitions. [2022-11-25 17:18:35,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-11-25 17:18:35,721 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1213 transitions. [2022-11-25 17:18:35,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-25 17:18:35,723 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:35,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:18:35,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:18:35,724 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:18:35,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:35,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1761374675, now seen corresponding path program 1 times [2022-11-25 17:18:35,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:35,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566006654] [2022-11-25 17:18:35,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:35,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:35,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:18:35,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:35,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566006654] [2022-11-25 17:18:35,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566006654] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:18:35,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:18:35,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:18:35,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998092746] [2022-11-25 17:18:35,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:18:35,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:18:35,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:35,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:18:35,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:18:35,927 INFO L87 Difference]: Start difference. First operand 882 states and 1213 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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) [2022-11-25 17:18:36,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:36,022 INFO L93 Difference]: Finished difference Result 1761 states and 2423 transitions. [2022-11-25 17:18:36,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:18:36,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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 18 [2022-11-25 17:18:36,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:36,034 INFO L225 Difference]: With dead ends: 1761 [2022-11-25 17:18:36,037 INFO L226 Difference]: Without dead ends: 882 [2022-11-25 17:18:36,041 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 [2022-11-25 17:18:36,043 INFO L413 NwaCegarLoop]: 693 mSDtfsCounter, 684 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:36,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [684 Valid, 693 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:18:36,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2022-11-25 17:18:36,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 882. [2022-11-25 17:18:36,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 882 states, 630 states have (on average 1.338095238095238) internal successors, (843), 643 states have internal predecessors, (843), 187 states have call successors, (187), 65 states have call predecessors, (187), 64 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2022-11-25 17:18:36,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1211 transitions. [2022-11-25 17:18:36,144 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1211 transitions. Word has length 18 [2022-11-25 17:18:36,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:18:36,145 INFO L495 AbstractCegarLoop]: Abstraction has 882 states and 1211 transitions. [2022-11-25 17:18:36,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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) [2022-11-25 17:18:36,146 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1211 transitions. [2022-11-25 17:18:36,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 17:18:36,155 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:36,155 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] [2022-11-25 17:18:36,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:18:36,159 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:18:36,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:36,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1080871777, now seen corresponding path program 1 times [2022-11-25 17:18:36,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:36,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549329310] [2022-11-25 17:18:36,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:36,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:36,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:18:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:36,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:18:36,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:36,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549329310] [2022-11-25 17:18:36,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549329310] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:18:36,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:18:36,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:18:36,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260387995] [2022-11-25 17:18:36,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:18:36,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:18:36,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:36,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:18:36,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:18:36,384 INFO L87 Difference]: Start difference. First operand 882 states and 1211 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-25 17:18:36,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:36,540 INFO L93 Difference]: Finished difference Result 2117 states and 2898 transitions. [2022-11-25 17:18:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:18:36,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 22 [2022-11-25 17:18:36,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:36,549 INFO L225 Difference]: With dead ends: 2117 [2022-11-25 17:18:36,549 INFO L226 Difference]: Without dead ends: 1238 [2022-11-25 17:18:36,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:18:36,577 INFO L413 NwaCegarLoop]: 1111 mSDtfsCounter, 650 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 1586 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:36,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 1586 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:18:36,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2022-11-25 17:18:36,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1214. [2022-11-25 17:18:36,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 860 states have (on average 1.336046511627907) internal successors, (1149), 877 states have internal predecessors, (1149), 258 states have call successors, (258), 96 states have call predecessors, (258), 95 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2022-11-25 17:18:36,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1659 transitions. [2022-11-25 17:18:36,710 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1659 transitions. Word has length 22 [2022-11-25 17:18:36,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:18:36,711 INFO L495 AbstractCegarLoop]: Abstraction has 1214 states and 1659 transitions. [2022-11-25 17:18:36,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-25 17:18:36,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1659 transitions. [2022-11-25 17:18:36,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 17:18:36,712 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:36,713 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] [2022-11-25 17:18:36,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:18:36,715 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:18:36,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:36,716 INFO L85 PathProgramCache]: Analyzing trace with hash 209589806, now seen corresponding path program 1 times [2022-11-25 17:18:36,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:36,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163724945] [2022-11-25 17:18:36,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:36,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:36,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:18:36,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:36,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163724945] [2022-11-25 17:18:36,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163724945] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:18:36,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:18:36,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:18:36,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505593831] [2022-11-25 17:18:36,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:18:36,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:18:36,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:36,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:18:36,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:18:36,941 INFO L87 Difference]: Start difference. First operand 1214 states and 1659 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-25 17:18:37,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:37,166 INFO L93 Difference]: Finished difference Result 2443 states and 3343 transitions. [2022-11-25 17:18:37,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:18:37,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 25 [2022-11-25 17:18:37,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:37,176 INFO L225 Difference]: With dead ends: 2443 [2022-11-25 17:18:37,176 INFO L226 Difference]: Without dead ends: 1232 [2022-11-25 17:18:37,181 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 [2022-11-25 17:18:37,182 INFO L413 NwaCegarLoop]: 689 mSDtfsCounter, 12 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1376 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:37,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1376 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:18:37,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2022-11-25 17:18:37,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 1216. [2022-11-25 17:18:37,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1216 states, 862 states have (on average 1.3352668213457077) internal successors, (1151), 879 states have internal predecessors, (1151), 258 states have call successors, (258), 96 states have call predecessors, (258), 95 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2022-11-25 17:18:37,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1661 transitions. [2022-11-25 17:18:37,341 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1661 transitions. Word has length 25 [2022-11-25 17:18:37,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:18:37,342 INFO L495 AbstractCegarLoop]: Abstraction has 1216 states and 1661 transitions. [2022-11-25 17:18:37,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-25 17:18:37,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1661 transitions. [2022-11-25 17:18:37,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-25 17:18:37,344 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:37,344 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] [2022-11-25 17:18:37,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:18:37,345 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:18:37,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:37,346 INFO L85 PathProgramCache]: Analyzing trace with hash 455394919, now seen corresponding path program 1 times [2022-11-25 17:18:37,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:37,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303570489] [2022-11-25 17:18:37,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:37,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:37,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:18:37,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:37,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303570489] [2022-11-25 17:18:37,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303570489] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:18:37,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331981890] [2022-11-25 17:18:37,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:37,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:18:37,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:37,602 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:18:37,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 17:18:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:38,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 1000 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:18:38,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:18:38,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 17:18:38,093 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:18:38,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331981890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:18:38,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:18:38,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-25 17:18:38,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556757535] [2022-11-25 17:18:38,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:18:38,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:18:38,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:38,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:18:38,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:18:38,095 INFO L87 Difference]: Start difference. First operand 1216 states and 1661 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-25 17:18:38,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:38,213 INFO L93 Difference]: Finished difference Result 2467 states and 3379 transitions. [2022-11-25 17:18:38,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:18:38,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 29 [2022-11-25 17:18:38,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:38,223 INFO L225 Difference]: With dead ends: 2467 [2022-11-25 17:18:38,223 INFO L226 Difference]: Without dead ends: 1254 [2022-11-25 17:18:38,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:18:38,229 INFO L413 NwaCegarLoop]: 702 mSDtfsCounter, 16 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1388 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:38,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1388 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:18:38,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2022-11-25 17:18:38,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 1220. [2022-11-25 17:18:38,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1220 states, 866 states have (on average 1.333718244803695) internal successors, (1155), 883 states have internal predecessors, (1155), 258 states have call successors, (258), 96 states have call predecessors, (258), 95 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2022-11-25 17:18:38,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 1220 states and 1665 transitions. [2022-11-25 17:18:38,362 INFO L78 Accepts]: Start accepts. Automaton has 1220 states and 1665 transitions. Word has length 29 [2022-11-25 17:18:38,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:18:38,362 INFO L495 AbstractCegarLoop]: Abstraction has 1220 states and 1665 transitions. [2022-11-25 17:18:38,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-25 17:18:38,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1665 transitions. [2022-11-25 17:18:38,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-25 17:18:38,364 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:38,364 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] [2022-11-25 17:18:38,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 17:18:38,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:18:38,573 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:18:38,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:38,574 INFO L85 PathProgramCache]: Analyzing trace with hash -990412754, now seen corresponding path program 1 times [2022-11-25 17:18:38,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:38,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918054746] [2022-11-25 17:18:38,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:38,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:38,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 17:18:38,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:38,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918054746] [2022-11-25 17:18:38,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918054746] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:18:38,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103383022] [2022-11-25 17:18:38,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:38,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:18:38,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:38,786 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:18:38,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 17:18:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:39,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:18:39,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:18:39,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 17:18:39,229 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:18:39,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103383022] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:18:39,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:18:39,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-25 17:18:39,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669776921] [2022-11-25 17:18:39,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:18:39,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:18:39,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:39,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:18:39,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:18:39,232 INFO L87 Difference]: Start difference. First operand 1220 states and 1665 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2022-11-25 17:18:39,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:39,466 INFO L93 Difference]: Finished difference Result 3602 states and 4907 transitions. [2022-11-25 17:18:39,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:18:39,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 33 [2022-11-25 17:18:39,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:39,480 INFO L225 Difference]: With dead ends: 3602 [2022-11-25 17:18:39,480 INFO L226 Difference]: Without dead ends: 2385 [2022-11-25 17:18:39,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:18:39,486 INFO L413 NwaCegarLoop]: 791 mSDtfsCounter, 660 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 1463 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:39,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 1463 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:18:39,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2385 states. [2022-11-25 17:18:39,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2385 to 1952. [2022-11-25 17:18:39,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1952 states, 1381 states have (on average 1.328023171614772) internal successors, (1834), 1406 states have internal predecessors, (1834), 414 states have call successors, (414), 157 states have call predecessors, (414), 156 states have return successors, (408), 408 states have call predecessors, (408), 408 states have call successors, (408) [2022-11-25 17:18:39,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1952 states and 2656 transitions. [2022-11-25 17:18:39,640 INFO L78 Accepts]: Start accepts. Automaton has 1952 states and 2656 transitions. Word has length 33 [2022-11-25 17:18:39,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:18:39,641 INFO L495 AbstractCegarLoop]: Abstraction has 1952 states and 2656 transitions. [2022-11-25 17:18:39,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2022-11-25 17:18:39,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2656 transitions. [2022-11-25 17:18:39,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-25 17:18:39,642 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:39,642 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] [2022-11-25 17:18:39,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:18:39,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-25 17:18:39,851 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:18:39,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:39,852 INFO L85 PathProgramCache]: Analyzing trace with hash 2144054081, now seen corresponding path program 1 times [2022-11-25 17:18:39,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:39,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092846742] [2022-11-25 17:18:39,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:39,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:40,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:18:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:40,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:18:40,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:40,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092846742] [2022-11-25 17:18:40,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092846742] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:18:40,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201879395] [2022-11-25 17:18:40,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:40,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:18:40,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:40,041 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:18:40,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 17:18:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:40,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:18:40,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:18:40,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 17:18:40,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:18:40,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201879395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:18:40,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:18:40,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-25 17:18:40,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648018023] [2022-11-25 17:18:40,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:18:40,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:18:40,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:40,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:18:40,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:18:40,501 INFO L87 Difference]: Start difference. First operand 1952 states and 2656 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2022-11-25 17:18:40,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:40,681 INFO L93 Difference]: Finished difference Result 4327 states and 5983 transitions. [2022-11-25 17:18:40,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:18:40,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 34 [2022-11-25 17:18:40,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:40,697 INFO L225 Difference]: With dead ends: 4327 [2022-11-25 17:18:40,697 INFO L226 Difference]: Without dead ends: 2378 [2022-11-25 17:18:40,706 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 [2022-11-25 17:18:40,707 INFO L413 NwaCegarLoop]: 756 mSDtfsCounter, 181 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 1426 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:40,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 1426 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:18:40,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2378 states. [2022-11-25 17:18:40,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2378 to 1985. [2022-11-25 17:18:40,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1406 states have (on average 1.329302987197724) internal successors, (1869), 1431 states have internal predecessors, (1869), 422 states have call successors, (422), 157 states have call predecessors, (422), 156 states have return successors, (416), 416 states have call predecessors, (416), 416 states have call successors, (416) [2022-11-25 17:18:40,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2707 transitions. [2022-11-25 17:18:40,876 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2707 transitions. Word has length 34 [2022-11-25 17:18:40,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:18:40,879 INFO L495 AbstractCegarLoop]: Abstraction has 1985 states and 2707 transitions. [2022-11-25 17:18:40,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2022-11-25 17:18:40,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2707 transitions. [2022-11-25 17:18:40,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-25 17:18:40,880 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:40,880 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, 1, 1, 1, 1, 1, 1] [2022-11-25 17:18:40,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 17:18:41,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:18:41,089 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:18:41,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:41,089 INFO L85 PathProgramCache]: Analyzing trace with hash -983586940, now seen corresponding path program 1 times [2022-11-25 17:18:41,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:41,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413131514] [2022-11-25 17:18:41,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:41,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:41,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:18:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:41,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 17:18:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:41,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 17:18:41,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:41,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413131514] [2022-11-25 17:18:41,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413131514] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:18:41,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108345918] [2022-11-25 17:18:41,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:41,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:18:41,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:41,277 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:18:41,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 17:18:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:41,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:18:41,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:18:41,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 17:18:41,714 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:18:41,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108345918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:18:41,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:18:41,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-25 17:18:41,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657793666] [2022-11-25 17:18:41,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:18:41,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:18:41,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:41,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:18:41,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:18:41,717 INFO L87 Difference]: Start difference. First operand 1985 states and 2707 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-11-25 17:18:41,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:41,861 INFO L93 Difference]: Finished difference Result 2007 states and 2733 transitions. [2022-11-25 17:18:41,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:18:41,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 43 [2022-11-25 17:18:41,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:41,875 INFO L225 Difference]: With dead ends: 2007 [2022-11-25 17:18:41,875 INFO L226 Difference]: Without dead ends: 1996 [2022-11-25 17:18:41,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:18:41,878 INFO L413 NwaCegarLoop]: 706 mSDtfsCounter, 689 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:41,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 719 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:18:41,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2022-11-25 17:18:42,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1985. [2022-11-25 17:18:42,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1406 states have (on average 1.3285917496443813) internal successors, (1868), 1431 states have internal predecessors, (1868), 422 states have call successors, (422), 157 states have call predecessors, (422), 156 states have return successors, (416), 416 states have call predecessors, (416), 416 states have call successors, (416) [2022-11-25 17:18:42,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2706 transitions. [2022-11-25 17:18:42,038 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2706 transitions. Word has length 43 [2022-11-25 17:18:42,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:18:42,038 INFO L495 AbstractCegarLoop]: Abstraction has 1985 states and 2706 transitions. [2022-11-25 17:18:42,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-11-25 17:18:42,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2706 transitions. [2022-11-25 17:18:42,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-25 17:18:42,041 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:42,041 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, 1, 1, 1, 1, 1, 1] [2022-11-25 17:18:42,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 17:18:42,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:18:42,283 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:18:42,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:42,284 INFO L85 PathProgramCache]: Analyzing trace with hash -926328638, now seen corresponding path program 1 times [2022-11-25 17:18:42,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:42,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808344089] [2022-11-25 17:18:42,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:42,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:42,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:18:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:42,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 17:18:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:42,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 17:18:42,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:42,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808344089] [2022-11-25 17:18:42,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808344089] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:18:42,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140006513] [2022-11-25 17:18:42,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:42,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:18:42,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:42,591 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:18:42,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 17:18:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:43,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:18:43,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:18:43,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 17:18:43,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:18:43,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140006513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:18:43,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:18:43,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-25 17:18:43,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480202965] [2022-11-25 17:18:43,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:18:43,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:18:43,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:43,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:18:43,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:18:43,129 INFO L87 Difference]: Start difference. First operand 1985 states and 2706 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-11-25 17:18:43,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:43,287 INFO L93 Difference]: Finished difference Result 1987 states and 2707 transitions. [2022-11-25 17:18:43,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:18:43,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 43 [2022-11-25 17:18:43,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:43,302 INFO L225 Difference]: With dead ends: 1987 [2022-11-25 17:18:43,302 INFO L226 Difference]: Without dead ends: 1984 [2022-11-25 17:18:43,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:18:43,307 INFO L413 NwaCegarLoop]: 691 mSDtfsCounter, 652 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:43,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 691 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:18:43,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1984 states. [2022-11-25 17:18:43,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1984 to 1984. [2022-11-25 17:18:43,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1984 states, 1406 states have (on average 1.3278805120910384) internal successors, (1867), 1430 states have internal predecessors, (1867), 421 states have call successors, (421), 157 states have call predecessors, (421), 156 states have return successors, (416), 416 states have call predecessors, (416), 416 states have call successors, (416) [2022-11-25 17:18:43,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 1984 states and 2704 transitions. [2022-11-25 17:18:43,526 INFO L78 Accepts]: Start accepts. Automaton has 1984 states and 2704 transitions. Word has length 43 [2022-11-25 17:18:43,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:18:43,528 INFO L495 AbstractCegarLoop]: Abstraction has 1984 states and 2704 transitions. [2022-11-25 17:18:43,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-11-25 17:18:43,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 2704 transitions. [2022-11-25 17:18:43,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-25 17:18:43,530 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:43,531 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:18:43,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 17:18:43,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-25 17:18:43,739 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:18:43,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:43,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1348282588, now seen corresponding path program 1 times [2022-11-25 17:18:43,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:43,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354111230] [2022-11-25 17:18:43,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:43,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:43,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:18:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:43,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 17:18:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:43,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 17:18:43,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:43,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354111230] [2022-11-25 17:18:43,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354111230] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:18:43,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301999183] [2022-11-25 17:18:43,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:43,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:18:43,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:43,950 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:18:43,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 17:18:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:44,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:18:44,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:18:44,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 17:18:44,468 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:18:44,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301999183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:18:44,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:18:44,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-25 17:18:44,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135311648] [2022-11-25 17:18:44,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:18:44,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:18:44,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:44,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:18:44,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:18:44,475 INFO L87 Difference]: Start difference. First operand 1984 states and 2704 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-11-25 17:18:44,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:44,632 INFO L93 Difference]: Finished difference Result 1986 states and 2705 transitions. [2022-11-25 17:18:44,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:18:44,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 44 [2022-11-25 17:18:44,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:44,645 INFO L225 Difference]: With dead ends: 1986 [2022-11-25 17:18:44,645 INFO L226 Difference]: Without dead ends: 1983 [2022-11-25 17:18:44,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:18:44,648 INFO L413 NwaCegarLoop]: 689 mSDtfsCounter, 649 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:44,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 689 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:18:44,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2022-11-25 17:18:44,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1983. [2022-11-25 17:18:44,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1983 states, 1406 states have (on average 1.3271692745376955) internal successors, (1866), 1429 states have internal predecessors, (1866), 420 states have call successors, (420), 157 states have call predecessors, (420), 156 states have return successors, (416), 416 states have call predecessors, (416), 416 states have call successors, (416) [2022-11-25 17:18:44,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 1983 states and 2702 transitions. [2022-11-25 17:18:44,855 INFO L78 Accepts]: Start accepts. Automaton has 1983 states and 2702 transitions. Word has length 44 [2022-11-25 17:18:44,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:18:44,855 INFO L495 AbstractCegarLoop]: Abstraction has 1983 states and 2702 transitions. [2022-11-25 17:18:44,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-11-25 17:18:44,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2702 transitions. [2022-11-25 17:18:44,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-25 17:18:44,857 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:44,857 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:18:44,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-25 17:18:45,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-25 17:18:45,065 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:18:45,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:45,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1153208571, now seen corresponding path program 1 times [2022-11-25 17:18:45,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:45,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386833855] [2022-11-25 17:18:45,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:45,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:45,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:18:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:45,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 17:18:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:45,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 17:18:45,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:45,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386833855] [2022-11-25 17:18:45,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386833855] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:18:45,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590517455] [2022-11-25 17:18:45,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:45,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:18:45,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:45,314 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:18:45,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 17:18:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:45,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 1103 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:18:45,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:18:45,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 17:18:45,807 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:18:45,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590517455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:18:45,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:18:45,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-25 17:18:45,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243987534] [2022-11-25 17:18:45,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:18:45,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:18:45,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:45,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:18:45,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:18:45,811 INFO L87 Difference]: Start difference. First operand 1983 states and 2702 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-11-25 17:18:45,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:45,987 INFO L93 Difference]: Finished difference Result 1985 states and 2703 transitions. [2022-11-25 17:18:45,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:18:45,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 45 [2022-11-25 17:18:45,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:46,001 INFO L225 Difference]: With dead ends: 1985 [2022-11-25 17:18:46,001 INFO L226 Difference]: Without dead ends: 1982 [2022-11-25 17:18:46,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:18:46,004 INFO L413 NwaCegarLoop]: 687 mSDtfsCounter, 646 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:46,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [646 Valid, 687 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:18:46,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2022-11-25 17:18:46,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1982. [2022-11-25 17:18:46,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1982 states, 1406 states have (on average 1.3264580369843528) internal successors, (1865), 1428 states have internal predecessors, (1865), 419 states have call successors, (419), 157 states have call predecessors, (419), 156 states have return successors, (416), 416 states have call predecessors, (416), 416 states have call successors, (416) [2022-11-25 17:18:46,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1982 states to 1982 states and 2700 transitions. [2022-11-25 17:18:46,173 INFO L78 Accepts]: Start accepts. Automaton has 1982 states and 2700 transitions. Word has length 45 [2022-11-25 17:18:46,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:18:46,173 INFO L495 AbstractCegarLoop]: Abstraction has 1982 states and 2700 transitions. [2022-11-25 17:18:46,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-11-25 17:18:46,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 2700 transitions. [2022-11-25 17:18:46,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-25 17:18:46,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:46,175 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:18:46,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 17:18:46,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:18:46,382 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:18:46,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:46,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1390018305, now seen corresponding path program 1 times [2022-11-25 17:18:46,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:46,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912623481] [2022-11-25 17:18:46,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:46,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:46,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:18:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:46,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 17:18:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:46,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 17:18:46,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:46,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912623481] [2022-11-25 17:18:46,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912623481] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:18:46,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969944018] [2022-11-25 17:18:46,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:46,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:18:46,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:46,550 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:18:46,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 17:18:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:46,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 1105 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:18:46,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:18:47,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 17:18:47,072 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:18:47,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969944018] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:18:47,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:18:47,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-25 17:18:47,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566775468] [2022-11-25 17:18:47,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:18:47,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:18:47,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:47,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:18:47,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:18:47,075 INFO L87 Difference]: Start difference. First operand 1982 states and 2700 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-11-25 17:18:47,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:47,355 INFO L93 Difference]: Finished difference Result 2387 states and 3227 transitions. [2022-11-25 17:18:47,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:18:47,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 46 [2022-11-25 17:18:47,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:47,372 INFO L225 Difference]: With dead ends: 2387 [2022-11-25 17:18:47,372 INFO L226 Difference]: Without dead ends: 2355 [2022-11-25 17:18:47,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:18:47,375 INFO L413 NwaCegarLoop]: 938 mSDtfsCounter, 581 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:47,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 1256 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:18:47,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2355 states. [2022-11-25 17:18:47,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2355 to 2355. [2022-11-25 17:18:47,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2355 states, 1652 states have (on average 1.3141646489104115) internal successors, (2171), 1676 states have internal predecessors, (2171), 508 states have call successors, (508), 195 states have call predecessors, (508), 194 states have return successors, (507), 507 states have call predecessors, (507), 507 states have call successors, (507) [2022-11-25 17:18:47,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2355 states and 3186 transitions. [2022-11-25 17:18:47,608 INFO L78 Accepts]: Start accepts. Automaton has 2355 states and 3186 transitions. Word has length 46 [2022-11-25 17:18:47,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:18:47,610 INFO L495 AbstractCegarLoop]: Abstraction has 2355 states and 3186 transitions. [2022-11-25 17:18:47,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-11-25 17:18:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 3186 transitions. [2022-11-25 17:18:47,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-25 17:18:47,613 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:47,614 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:18:47,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 17:18:47,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-25 17:18:47,821 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:18:47,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:47,821 INFO L85 PathProgramCache]: Analyzing trace with hash 465383222, now seen corresponding path program 1 times [2022-11-25 17:18:47,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:47,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002500376] [2022-11-25 17:18:47,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:47,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:47,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:18:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:47,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 17:18:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:48,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:18:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:48,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-25 17:18:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:48,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 17:18:48,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:48,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002500376] [2022-11-25 17:18:48,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002500376] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:18:48,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397023937] [2022-11-25 17:18:48,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:48,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:18:48,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:48,024 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:18:48,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 17:18:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:48,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 1200 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:18:48,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:18:48,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 17:18:48,457 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:18:48,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397023937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:18:48,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:18:48,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-25 17:18:48,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144627514] [2022-11-25 17:18:48,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:18:48,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:18:48,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:48,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:18:48,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:18:48,460 INFO L87 Difference]: Start difference. First operand 2355 states and 3186 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 17:18:48,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:48,809 INFO L93 Difference]: Finished difference Result 6037 states and 8138 transitions. [2022-11-25 17:18:48,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:18:48,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 64 [2022-11-25 17:18:48,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:48,832 INFO L225 Difference]: With dead ends: 6037 [2022-11-25 17:18:48,833 INFO L226 Difference]: Without dead ends: 3685 [2022-11-25 17:18:48,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:18:48,847 INFO L413 NwaCegarLoop]: 729 mSDtfsCounter, 606 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:48,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 1328 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:18:48,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3685 states. [2022-11-25 17:18:49,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3685 to 3682. [2022-11-25 17:18:49,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3682 states, 2585 states have (on average 1.309090909090909) internal successors, (3384), 2621 states have internal predecessors, (3384), 779 states have call successors, (779), 318 states have call predecessors, (779), 317 states have return successors, (778), 778 states have call predecessors, (778), 778 states have call successors, (778) [2022-11-25 17:18:49,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3682 states to 3682 states and 4941 transitions. [2022-11-25 17:18:49,220 INFO L78 Accepts]: Start accepts. Automaton has 3682 states and 4941 transitions. Word has length 64 [2022-11-25 17:18:49,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:18:49,220 INFO L495 AbstractCegarLoop]: Abstraction has 3682 states and 4941 transitions. [2022-11-25 17:18:49,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 17:18:49,221 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 4941 transitions. [2022-11-25 17:18:49,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-25 17:18:49,233 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:49,234 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:18:49,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-25 17:18:49,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-25 17:18:49,443 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:18:49,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:49,443 INFO L85 PathProgramCache]: Analyzing trace with hash 2104414459, now seen corresponding path program 1 times [2022-11-25 17:18:49,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:49,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15618589] [2022-11-25 17:18:49,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:49,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:49,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:18:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:49,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 17:18:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:49,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-25 17:18:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:49,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-25 17:18:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:49,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 17:18:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:49,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:50,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:50,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:50,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:18:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:50,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:18:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:50,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:50,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:50,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:18:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:50,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:18:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:50,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 17:18:50,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:50,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15618589] [2022-11-25 17:18:50,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15618589] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:18:50,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519981310] [2022-11-25 17:18:50,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:50,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:18:50,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:50,197 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:18:50,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-25 17:18:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:50,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 1757 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:18:50,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:18:50,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:18:50,791 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:18:50,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519981310] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:18:50,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:18:50,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-11-25 17:18:50,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375120148] [2022-11-25 17:18:50,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:18:50,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:18:50,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:50,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:18:50,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:18:50,795 INFO L87 Difference]: Start difference. First operand 3682 states and 4941 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-25 17:18:51,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:51,262 INFO L93 Difference]: Finished difference Result 7409 states and 10086 transitions. [2022-11-25 17:18:51,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:18:51,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2022-11-25 17:18:51,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:51,304 INFO L225 Difference]: With dead ends: 7409 [2022-11-25 17:18:51,304 INFO L226 Difference]: Without dead ends: 3730 [2022-11-25 17:18:51,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:18:51,324 INFO L413 NwaCegarLoop]: 658 mSDtfsCounter, 3 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:51,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1309 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:18:51,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3730 states. [2022-11-25 17:18:51,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3730 to 3694. [2022-11-25 17:18:51,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3694 states, 2597 states have (on average 1.307662687716596) internal successors, (3396), 2633 states have internal predecessors, (3396), 779 states have call successors, (779), 318 states have call predecessors, (779), 317 states have return successors, (778), 778 states have call predecessors, (778), 778 states have call successors, (778) [2022-11-25 17:18:51,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 3694 states and 4953 transitions. [2022-11-25 17:18:51,748 INFO L78 Accepts]: Start accepts. Automaton has 3694 states and 4953 transitions. Word has length 123 [2022-11-25 17:18:51,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:18:51,749 INFO L495 AbstractCegarLoop]: Abstraction has 3694 states and 4953 transitions. [2022-11-25 17:18:51,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-25 17:18:51,750 INFO L276 IsEmpty]: Start isEmpty. Operand 3694 states and 4953 transitions. [2022-11-25 17:18:51,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-25 17:18:51,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:51,759 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:18:51,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-25 17:18:51,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:18:51,980 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:18:51,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:51,981 INFO L85 PathProgramCache]: Analyzing trace with hash 522317362, now seen corresponding path program 1 times [2022-11-25 17:18:51,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:51,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198619260] [2022-11-25 17:18:51,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:51,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:18:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 17:18:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-25 17:18:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-25 17:18:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 17:18:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:18:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:18:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:18:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:18:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:18:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:18:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:18:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:18:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:18:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:52,906 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-25 17:18:52,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:52,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198619260] [2022-11-25 17:18:52,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198619260] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:18:52,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624403461] [2022-11-25 17:18:52,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:52,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:18:52,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:52,912 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:18:52,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-25 17:18:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:53,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 2170 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:18:53,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:18:53,617 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-25 17:18:53,617 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:18:53,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624403461] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:18:53,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:18:53,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-11-25 17:18:53,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886574781] [2022-11-25 17:18:53,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:18:53,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:18:53,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:53,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:18:53,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:18:53,619 INFO L87 Difference]: Start difference. First operand 3694 states and 4953 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-25 17:18:54,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:18:54,248 INFO L93 Difference]: Finished difference Result 7433 states and 10095 transitions. [2022-11-25 17:18:54,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:18:54,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 173 [2022-11-25 17:18:54,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:18:54,269 INFO L225 Difference]: With dead ends: 7433 [2022-11-25 17:18:54,269 INFO L226 Difference]: Without dead ends: 3742 [2022-11-25 17:18:54,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:18:54,284 INFO L413 NwaCegarLoop]: 658 mSDtfsCounter, 3 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1311 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:18:54,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1311 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 17:18:54,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-11-25 17:18:54,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3706. [2022-11-25 17:18:54,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3706 states, 2609 states have (on average 1.306247604446148) internal successors, (3408), 2645 states have internal predecessors, (3408), 779 states have call successors, (779), 318 states have call predecessors, (779), 317 states have return successors, (778), 778 states have call predecessors, (778), 778 states have call successors, (778) [2022-11-25 17:18:54,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3706 states to 3706 states and 4965 transitions. [2022-11-25 17:18:54,573 INFO L78 Accepts]: Start accepts. Automaton has 3706 states and 4965 transitions. Word has length 173 [2022-11-25 17:18:54,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:18:54,574 INFO L495 AbstractCegarLoop]: Abstraction has 3706 states and 4965 transitions. [2022-11-25 17:18:54,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-25 17:18:54,574 INFO L276 IsEmpty]: Start isEmpty. Operand 3706 states and 4965 transitions. [2022-11-25 17:18:54,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-25 17:18:54,581 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:18:54,581 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:18:54,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-25 17:18:54,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:18:54,790 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:18:54,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:54,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1166626380, now seen corresponding path program 1 times [2022-11-25 17:18:54,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:54,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848551460] [2022-11-25 17:18:54,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:54,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:18:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 17:18:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-25 17:18:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-25 17:18:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 17:18:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:18:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:18:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:18:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:18:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:18:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:18:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:18:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:18:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:18:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:18:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:55,610 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-25 17:18:55,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:18:55,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848551460] [2022-11-25 17:18:55,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848551460] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:18:55,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343624567] [2022-11-25 17:18:55,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:55,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:18:55,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:55,612 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:18:55,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-25 17:18:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:18:56,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 2167 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:18:56,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:18:56,383 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-25 17:18:56,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:18:56,710 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-25 17:18:56,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343624567] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:18:56,711 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:18:56,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2022-11-25 17:18:56,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105656148] [2022-11-25 17:18:56,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:18:56,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:18:56,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:18:56,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:18:56,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:18:56,714 INFO L87 Difference]: Start difference. First operand 3706 states and 4965 transitions. Second operand has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 9 states have internal predecessors, (170), 2 states have call successors, (42), 4 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-25 17:19:00,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:19:15,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:15,693 INFO L93 Difference]: Finished difference Result 7743 states and 10618 transitions. [2022-11-25 17:19:15,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 17:19:15,694 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 9 states have internal predecessors, (170), 2 states have call successors, (42), 4 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) Word has length 173 [2022-11-25 17:19:15,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:15,722 INFO L225 Difference]: With dead ends: 7743 [2022-11-25 17:19:15,722 INFO L226 Difference]: Without dead ends: 4040 [2022-11-25 17:19:15,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2022-11-25 17:19:15,738 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 552 mSDsluCounter, 1552 mSDsCounter, 0 mSdLazyCounter, 3470 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 1794 SdHoareTripleChecker+Invalid, 3727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 3470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:15,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 1794 Invalid, 3727 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [257 Valid, 3470 Invalid, 0 Unknown, 0 Unchecked, 18.2s Time] [2022-11-25 17:19:15,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4040 states. [2022-11-25 17:19:16,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4040 to 3895. [2022-11-25 17:19:16,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3895 states, 2786 states have (on average 1.3083273510409188) internal successors, (3645), 2822 states have internal predecessors, (3645), 779 states have call successors, (779), 318 states have call predecessors, (779), 329 states have return successors, (826), 790 states have call predecessors, (826), 778 states have call successors, (826) [2022-11-25 17:19:16,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3895 states to 3895 states and 5250 transitions. [2022-11-25 17:19:16,191 INFO L78 Accepts]: Start accepts. Automaton has 3895 states and 5250 transitions. Word has length 173 [2022-11-25 17:19:16,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:16,192 INFO L495 AbstractCegarLoop]: Abstraction has 3895 states and 5250 transitions. [2022-11-25 17:19:16,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 9 states have internal predecessors, (170), 2 states have call successors, (42), 4 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-25 17:19:16,192 INFO L276 IsEmpty]: Start isEmpty. Operand 3895 states and 5250 transitions. [2022-11-25 17:19:16,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-11-25 17:19:16,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:16,203 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:16,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:16,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-25 17:19:16,414 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:16,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:16,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1279671924, now seen corresponding path program 1 times [2022-11-25 17:19:16,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:16,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105240283] [2022-11-25 17:19:16,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:16,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:16,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:19:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:16,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-25 17:19:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:16,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 17:19:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:16,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 17:19:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:16,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-25 17:19:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:19:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:19:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:19:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-25 17:19:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:19:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-25 17:19:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-25 17:19:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-25 17:19:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 17:19:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:19:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:19:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:19:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-25 17:19:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-25 17:19:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-25 17:19:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,814 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-11-25 17:19:17,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:17,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105240283] [2022-11-25 17:19:17,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105240283] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:19:17,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212202680] [2022-11-25 17:19:17,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:17,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:17,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:17,817 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:19:17,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-25 17:19:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 2650 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:19:18,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:18,885 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-11-25 17:19:18,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:19:19,423 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-11-25 17:19:19,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212202680] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:19:19,424 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:19:19,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2022-11-25 17:19:19,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976151865] [2022-11-25 17:19:19,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:19:19,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:19:19,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:19,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:19:19,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:19:19,432 INFO L87 Difference]: Start difference. First operand 3895 states and 5250 transitions. Second operand has 12 states, 12 states have (on average 16.0) internal successors, (192), 9 states have internal predecessors, (192), 5 states have call successors, (60), 4 states have call predecessors, (60), 3 states have return successors, (58), 6 states have call predecessors, (58), 5 states have call successors, (58) [2022-11-25 17:19:33,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:33,173 INFO L93 Difference]: Finished difference Result 8247 states and 11383 transitions. [2022-11-25 17:19:33,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 17:19:33,174 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 16.0) internal successors, (192), 9 states have internal predecessors, (192), 5 states have call successors, (60), 4 states have call predecessors, (60), 3 states have return successors, (58), 6 states have call predecessors, (58), 5 states have call successors, (58) Word has length 251 [2022-11-25 17:19:33,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:33,244 INFO L225 Difference]: With dead ends: 8247 [2022-11-25 17:19:33,244 INFO L226 Difference]: Without dead ends: 4355 [2022-11-25 17:19:33,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 572 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2022-11-25 17:19:33,263 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 570 mSDsluCounter, 1375 mSDsCounter, 0 mSdLazyCounter, 3130 mSolverCounterSat, 295 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 1632 SdHoareTripleChecker+Invalid, 3425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 295 IncrementalHoareTripleChecker+Valid, 3130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:33,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 1632 Invalid, 3425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [295 Valid, 3130 Invalid, 0 Unknown, 0 Unchecked, 13.2s Time] [2022-11-25 17:19:33,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4355 states. [2022-11-25 17:19:33,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4355 to 4210. [2022-11-25 17:19:33,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4210 states, 3026 states have (on average 1.3037012557832122) internal successors, (3945), 3050 states have internal predecessors, (3945), 854 states have call successors, (854), 318 states have call predecessors, (854), 329 states have return successors, (901), 877 states have call predecessors, (901), 853 states have call successors, (901) [2022-11-25 17:19:33,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4210 states to 4210 states and 5700 transitions. [2022-11-25 17:19:33,625 INFO L78 Accepts]: Start accepts. Automaton has 4210 states and 5700 transitions. Word has length 251 [2022-11-25 17:19:33,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:33,625 INFO L495 AbstractCegarLoop]: Abstraction has 4210 states and 5700 transitions. [2022-11-25 17:19:33,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.0) internal successors, (192), 9 states have internal predecessors, (192), 5 states have call successors, (60), 4 states have call predecessors, (60), 3 states have return successors, (58), 6 states have call predecessors, (58), 5 states have call successors, (58) [2022-11-25 17:19:33,625 INFO L276 IsEmpty]: Start isEmpty. Operand 4210 states and 5700 transitions. [2022-11-25 17:19:33,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-25 17:19:33,636 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:33,636 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:33,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:33,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-25 17:19:33,847 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:33,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:33,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1193890874, now seen corresponding path program 1 times [2022-11-25 17:19:33,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:33,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815532431] [2022-11-25 17:19:33,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:33,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:19:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:19:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 17:19:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-25 17:19:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-25 17:19:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:19:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:19:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:19:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-25 17:19:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-25 17:19:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-25 17:19:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 17:19:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:19:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:19:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:19:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-25 17:19:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-25 17:19:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-25 17:19:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,445 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-11-25 17:19:35,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:35,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815532431] [2022-11-25 17:19:35,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815532431] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:19:35,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438596205] [2022-11-25 17:19:35,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:35,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:35,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:35,448 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:19:35,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-25 17:19:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:36,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 2614 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:19:36,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:36,453 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-11-25 17:19:36,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:19:36,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438596205] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:36,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:19:36,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2022-11-25 17:19:36,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835756606] [2022-11-25 17:19:36,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:36,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:19:36,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:36,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:19:36,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:19:36,459 INFO L87 Difference]: Start difference. First operand 4210 states and 5700 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-25 17:19:36,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:36,859 INFO L93 Difference]: Finished difference Result 8432 states and 11417 transitions. [2022-11-25 17:19:36,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:19:36,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 253 [2022-11-25 17:19:36,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:36,881 INFO L225 Difference]: With dead ends: 8432 [2022-11-25 17:19:36,881 INFO L226 Difference]: Without dead ends: 4210 [2022-11-25 17:19:36,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-25 17:19:36,895 INFO L413 NwaCegarLoop]: 657 mSDtfsCounter, 3 mSDsluCounter, 1307 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1964 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:36,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1964 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:19:36,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4210 states. [2022-11-25 17:19:37,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4210 to 4210. [2022-11-25 17:19:37,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4210 states, 3026 states have (on average 1.302048909451421) internal successors, (3940), 3050 states have internal predecessors, (3940), 854 states have call successors, (854), 318 states have call predecessors, (854), 329 states have return successors, (901), 877 states have call predecessors, (901), 853 states have call successors, (901) [2022-11-25 17:19:37,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4210 states to 4210 states and 5695 transitions. [2022-11-25 17:19:37,414 INFO L78 Accepts]: Start accepts. Automaton has 4210 states and 5695 transitions. Word has length 253 [2022-11-25 17:19:37,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:37,415 INFO L495 AbstractCegarLoop]: Abstraction has 4210 states and 5695 transitions. [2022-11-25 17:19:37,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-25 17:19:37,415 INFO L276 IsEmpty]: Start isEmpty. Operand 4210 states and 5695 transitions. [2022-11-25 17:19:37,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-25 17:19:37,428 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:37,431 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:37,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:37,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-25 17:19:37,643 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:37,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:37,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1834654849, now seen corresponding path program 1 times [2022-11-25 17:19:37,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:37,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865950464] [2022-11-25 17:19:37,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:37,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:37,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:19:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:37,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:19:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:37,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 17:19:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:37,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-25 17:19:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:37,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-25 17:19:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:19:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:19:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:19:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-25 17:19:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-25 17:19:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-25 17:19:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 17:19:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:19:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:19:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:19:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-25 17:19:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-25 17:19:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-25 17:19:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:38,934 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-11-25 17:19:38,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:38,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865950464] [2022-11-25 17:19:38,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865950464] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:19:38,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61760564] [2022-11-25 17:19:38,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:38,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:38,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:38,937 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:19:38,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-25 17:19:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:39,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 2643 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:19:39,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:39,991 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-11-25 17:19:39,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:19:39,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61760564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:39,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:19:39,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-11-25 17:19:39,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674978323] [2022-11-25 17:19:39,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:39,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:19:39,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:39,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:19:39,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:19:39,995 INFO L87 Difference]: Start difference. First operand 4210 states and 5695 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-25 17:19:40,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:40,370 INFO L93 Difference]: Finished difference Result 8482 states and 11482 transitions. [2022-11-25 17:19:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:19:40,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 257 [2022-11-25 17:19:40,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:40,393 INFO L225 Difference]: With dead ends: 8482 [2022-11-25 17:19:40,393 INFO L226 Difference]: Without dead ends: 4275 [2022-11-25 17:19:40,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:19:40,408 INFO L413 NwaCegarLoop]: 654 mSDtfsCounter, 9 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1299 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:40,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1299 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:19:40,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4275 states. [2022-11-25 17:19:40,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4275 to 4225. [2022-11-25 17:19:40,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4225 states, 3041 states have (on average 1.300559026635975) internal successors, (3955), 3065 states have internal predecessors, (3955), 854 states have call successors, (854), 318 states have call predecessors, (854), 329 states have return successors, (901), 877 states have call predecessors, (901), 853 states have call successors, (901) [2022-11-25 17:19:40,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4225 states to 4225 states and 5710 transitions. [2022-11-25 17:19:40,843 INFO L78 Accepts]: Start accepts. Automaton has 4225 states and 5710 transitions. Word has length 257 [2022-11-25 17:19:40,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:40,844 INFO L495 AbstractCegarLoop]: Abstraction has 4225 states and 5710 transitions. [2022-11-25 17:19:40,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-25 17:19:40,844 INFO L276 IsEmpty]: Start isEmpty. Operand 4225 states and 5710 transitions. [2022-11-25 17:19:40,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-11-25 17:19:40,855 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:40,855 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:40,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:41,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:41,067 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:41,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:41,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1364052356, now seen corresponding path program 1 times [2022-11-25 17:19:41,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:41,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437091833] [2022-11-25 17:19:41,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:41,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:41,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:19:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:41,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:19:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:41,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-25 17:19:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:41,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-25 17:19:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:41,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 17:19:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:41,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-25 17:19:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:19:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:19:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:19:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-25 17:19:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-25 17:19:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-25 17:19:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 17:19:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:19:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:19:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:19:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-25 17:19:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-25 17:19:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-25 17:19:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:42,860 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-25 17:19:42,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:42,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437091833] [2022-11-25 17:19:42,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437091833] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:19:42,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115277976] [2022-11-25 17:19:42,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:42,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:42,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:42,864 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:19:42,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-25 17:19:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:43,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 2666 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:19:43,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:43,968 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-11-25 17:19:43,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:19:44,463 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-11-25 17:19:44,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115277976] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:19:44,463 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:19:44,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2022-11-25 17:19:44,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375231865] [2022-11-25 17:19:44,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:19:44,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:19:44,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:44,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:19:44,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:19:44,466 INFO L87 Difference]: Start difference. First operand 4225 states and 5710 transitions. Second operand has 12 states, 12 states have (on average 17.833333333333332) internal successors, (214), 10 states have internal predecessors, (214), 6 states have call successors, (56), 4 states have call predecessors, (56), 3 states have return successors, (54), 6 states have call predecessors, (54), 6 states have call successors, (54) [2022-11-25 17:20:04,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:20:04,073 INFO L93 Difference]: Finished difference Result 9333 states and 13011 transitions. [2022-11-25 17:20:04,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-25 17:20:04,074 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 17.833333333333332) internal successors, (214), 10 states have internal predecessors, (214), 6 states have call successors, (56), 4 states have call predecessors, (56), 3 states have return successors, (54), 6 states have call predecessors, (54), 6 states have call successors, (54) Word has length 264 [2022-11-25 17:20:04,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:20:04,102 INFO L225 Difference]: With dead ends: 9333 [2022-11-25 17:20:04,102 INFO L226 Difference]: Without dead ends: 5111 [2022-11-25 17:20:04,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 618 GetRequests, 602 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2022-11-25 17:20:04,122 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 571 mSDsluCounter, 1703 mSDsCounter, 0 mSdLazyCounter, 4222 mSolverCounterSat, 316 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 1950 SdHoareTripleChecker+Invalid, 4538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 316 IncrementalHoareTripleChecker+Valid, 4222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:20:04,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 1950 Invalid, 4538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [316 Valid, 4222 Invalid, 0 Unknown, 0 Unchecked, 19.0s Time] [2022-11-25 17:20:04,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5111 states. [2022-11-25 17:20:04,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5111 to 4888. [2022-11-25 17:20:04,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4888 states, 3530 states have (on average 1.2971671388101984) internal successors, (4579), 3554 states have internal predecessors, (4579), 1004 states have call successors, (1004), 330 states have call predecessors, (1004), 353 states have return successors, (1051), 1027 states have call predecessors, (1051), 1003 states have call successors, (1051) [2022-11-25 17:20:04,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4888 states to 4888 states and 6634 transitions. [2022-11-25 17:20:04,616 INFO L78 Accepts]: Start accepts. Automaton has 4888 states and 6634 transitions. Word has length 264 [2022-11-25 17:20:04,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:20:04,616 INFO L495 AbstractCegarLoop]: Abstraction has 4888 states and 6634 transitions. [2022-11-25 17:20:04,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 17.833333333333332) internal successors, (214), 10 states have internal predecessors, (214), 6 states have call successors, (56), 4 states have call predecessors, (56), 3 states have return successors, (54), 6 states have call predecessors, (54), 6 states have call successors, (54) [2022-11-25 17:20:04,617 INFO L276 IsEmpty]: Start isEmpty. Operand 4888 states and 6634 transitions. [2022-11-25 17:20:04,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-11-25 17:20:04,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:20:04,630 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:20:04,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-25 17:20:04,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:20:04,843 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:20:04,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:20:04,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1005947175, now seen corresponding path program 1 times [2022-11-25 17:20:04,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:20:04,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847234476] [2022-11-25 17:20:04,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:04,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:20:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:20:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-25 17:20:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:20:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-25 17:20:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 17:20:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-25 17:20:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 17:20:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-25 17:20:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-25 17:20:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:20:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:20:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:20:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 17:20:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:20:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-25 17:20:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:20:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:20:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:20:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:20:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 17:20:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:20:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-25 17:20:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:05,971 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2022-11-25 17:20:05,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:20:05,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847234476] [2022-11-25 17:20:05,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847234476] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:20:05,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237995104] [2022-11-25 17:20:05,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:05,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:20:05,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:20:05,974 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:20:05,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-25 17:20:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:07,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 2798 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:20:07,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:20:07,091 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2022-11-25 17:20:07,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:20:07,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237995104] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:20:07,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:20:07,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 9 [2022-11-25 17:20:07,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213872505] [2022-11-25 17:20:07,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:20:07,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:20:07,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:20:07,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:20:07,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:20:07,094 INFO L87 Difference]: Start difference. First operand 4888 states and 6634 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 17:20:07,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:20:07,596 INFO L93 Difference]: Finished difference Result 9783 states and 13275 transitions. [2022-11-25 17:20:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:20:07,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 303 [2022-11-25 17:20:07,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:20:07,620 INFO L225 Difference]: With dead ends: 9783 [2022-11-25 17:20:07,620 INFO L226 Difference]: Without dead ends: 4778 [2022-11-25 17:20:07,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:20:07,633 INFO L413 NwaCegarLoop]: 658 mSDtfsCounter, 1 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1967 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:20:07,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1967 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:20:07,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4778 states. [2022-11-25 17:20:08,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4778 to 4760. [2022-11-25 17:20:08,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4760 states, 3434 states have (on average 1.2999417588817705) internal successors, (4464), 3458 states have internal predecessors, (4464), 975 states have call successors, (975), 327 states have call predecessors, (975), 350 states have return successors, (1022), 998 states have call predecessors, (1022), 974 states have call successors, (1022) [2022-11-25 17:20:08,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4760 states to 4760 states and 6461 transitions. [2022-11-25 17:20:08,093 INFO L78 Accepts]: Start accepts. Automaton has 4760 states and 6461 transitions. Word has length 303 [2022-11-25 17:20:08,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:20:08,093 INFO L495 AbstractCegarLoop]: Abstraction has 4760 states and 6461 transitions. [2022-11-25 17:20:08,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 17:20:08,094 INFO L276 IsEmpty]: Start isEmpty. Operand 4760 states and 6461 transitions. [2022-11-25 17:20:08,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-11-25 17:20:08,108 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:20:08,108 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:20:08,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-25 17:20:08,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:20:08,326 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:20:08,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:20:08,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1075278156, now seen corresponding path program 1 times [2022-11-25 17:20:08,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:20:08,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648700937] [2022-11-25 17:20:08,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:08,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:20:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:08,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:20:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:08,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:20:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:08,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:20:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:08,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:08,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:20:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:08,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:20:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:08,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 17:20:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:08,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-25 17:20:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:08,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-25 17:20:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:08,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-25 17:20:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:08,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 17:20:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:08,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 17:20:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:20:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:20:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:20:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 17:20:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:20:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-25 17:20:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:20:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:20:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:20:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:20:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 17:20:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:20:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-25 17:20:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:09,428 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-25 17:20:09,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:20:09,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648700937] [2022-11-25 17:20:09,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648700937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:20:09,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:20:09,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 17:20:09,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662715339] [2022-11-25 17:20:09,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:20:09,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:20:09,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:20:09,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:20:09,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:20:09,432 INFO L87 Difference]: Start difference. First operand 4760 states and 6461 transitions. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-25 17:20:20,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:20:20,120 INFO L93 Difference]: Finished difference Result 9794 states and 13397 transitions. [2022-11-25 17:20:20,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:20:20,121 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 320 [2022-11-25 17:20:20,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:20:20,148 INFO L225 Difference]: With dead ends: 9794 [2022-11-25 17:20:20,148 INFO L226 Difference]: Without dead ends: 5037 [2022-11-25 17:20:20,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-25 17:20:20,166 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 550 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 1835 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 2090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 1835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:20:20,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 1090 Invalid, 2090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 1835 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2022-11-25 17:20:20,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5037 states. [2022-11-25 17:20:20,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5037 to 4772. [2022-11-25 17:20:20,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4772 states, 3446 states have (on average 1.2988972721996517) internal successors, (4476), 3464 states have internal predecessors, (4476), 975 states have call successors, (975), 327 states have call predecessors, (975), 350 states have return successors, (1022), 998 states have call predecessors, (1022), 974 states have call successors, (1022) [2022-11-25 17:20:20,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4772 states to 4772 states and 6473 transitions. [2022-11-25 17:20:20,739 INFO L78 Accepts]: Start accepts. Automaton has 4772 states and 6473 transitions. Word has length 320 [2022-11-25 17:20:20,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:20:20,740 INFO L495 AbstractCegarLoop]: Abstraction has 4772 states and 6473 transitions. [2022-11-25 17:20:20,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-25 17:20:20,741 INFO L276 IsEmpty]: Start isEmpty. Operand 4772 states and 6473 transitions. [2022-11-25 17:20:20,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-11-25 17:20:20,753 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:20:20,754 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:20:20,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-25 17:20:20,754 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:20:20,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:20:20,755 INFO L85 PathProgramCache]: Analyzing trace with hash -351509795, now seen corresponding path program 1 times [2022-11-25 17:20:20,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:20:20,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082662311] [2022-11-25 17:20:20,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:20,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:20:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:20:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:20:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:20:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:20:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:20:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 17:20:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:20:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:20:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 17:20:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 17:20:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-25 17:20:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-25 17:20:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:20:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:20:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:20:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 17:20:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:20:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-25 17:20:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:20:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:20:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:20:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:20:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 17:20:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:20:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-25 17:20:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:21,935 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-25 17:20:21,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:20:21,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082662311] [2022-11-25 17:20:21,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082662311] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:20:21,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630189945] [2022-11-25 17:20:21,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:21,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:20:21,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:20:21,938 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:20:21,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-25 17:20:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:23,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 3053 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:20:23,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:20:23,219 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2022-11-25 17:20:23,220 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:20:23,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630189945] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:20:23,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:20:23,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-11-25 17:20:23,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964148520] [2022-11-25 17:20:23,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:20:23,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:20:23,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:20:23,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:20:23,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:20:23,223 INFO L87 Difference]: Start difference. First operand 4772 states and 6473 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 17:20:23,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:20:23,558 INFO L93 Difference]: Finished difference Result 9595 states and 13069 transitions. [2022-11-25 17:20:23,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:20:23,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 331 [2022-11-25 17:20:23,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:20:23,582 INFO L225 Difference]: With dead ends: 9595 [2022-11-25 17:20:23,582 INFO L226 Difference]: Without dead ends: 4826 [2022-11-25 17:20:23,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:20:23,599 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 7 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:20:23,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1275 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:20:23,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4826 states. [2022-11-25 17:20:24,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4826 to 4784. [2022-11-25 17:20:24,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4784 states, 3458 states have (on average 1.29786003470214) internal successors, (4488), 3476 states have internal predecessors, (4488), 975 states have call successors, (975), 327 states have call predecessors, (975), 350 states have return successors, (1022), 998 states have call predecessors, (1022), 974 states have call successors, (1022) [2022-11-25 17:20:24,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4784 states to 4784 states and 6485 transitions. [2022-11-25 17:20:24,051 INFO L78 Accepts]: Start accepts. Automaton has 4784 states and 6485 transitions. Word has length 331 [2022-11-25 17:20:24,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:20:24,052 INFO L495 AbstractCegarLoop]: Abstraction has 4784 states and 6485 transitions. [2022-11-25 17:20:24,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 17:20:24,052 INFO L276 IsEmpty]: Start isEmpty. Operand 4784 states and 6485 transitions. [2022-11-25 17:20:24,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2022-11-25 17:20:24,065 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:20:24,065 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:20:24,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-25 17:20:24,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-25 17:20:24,290 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:20:24,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:20:24,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1035093249, now seen corresponding path program 1 times [2022-11-25 17:20:24,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:20:24,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544396644] [2022-11-25 17:20:24,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:24,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:20:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:24,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:20:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:24,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:20:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:24,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:20:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:24,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:24,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:20:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:24,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:20:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:24,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 17:20:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:24,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:20:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:24,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:24,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 17:20:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:24,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:24,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-25 17:20:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:24,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-25 17:20:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:24,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-25 17:20:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:24,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-25 17:20:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:24,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-25 17:20:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:20:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:20:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:20:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 17:20:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:20:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:25,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-25 17:20:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:20:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:20:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:20:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:20:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 17:20:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:20:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-25 17:20:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:25,556 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-11-25 17:20:25,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:20:25,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544396644] [2022-11-25 17:20:25,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544396644] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:20:25,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323690441] [2022-11-25 17:20:25,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:25,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:20:25,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:20:25,560 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:20:25,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-25 17:20:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:26,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 3119 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:20:26,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:20:26,887 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 112 proven. 1 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-25 17:20:26,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:20:27,470 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2022-11-25 17:20:27,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323690441] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:20:27,470 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:20:27,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2022-11-25 17:20:27,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660688011] [2022-11-25 17:20:27,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:20:27,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:20:27,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:20:27,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:20:27,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:20:27,474 INFO L87 Difference]: Start difference. First operand 4784 states and 6485 transitions. Second operand has 12 states, 12 states have (on average 19.083333333333332) internal successors, (229), 9 states have internal predecessors, (229), 6 states have call successors, (68), 5 states have call predecessors, (68), 2 states have return successors, (63), 6 states have call predecessors, (63), 6 states have call successors, (63) [2022-11-25 17:20:39,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:20:39,459 INFO L93 Difference]: Finished difference Result 10478 states and 14738 transitions. [2022-11-25 17:20:39,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 17:20:39,460 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 19.083333333333332) internal successors, (229), 9 states have internal predecessors, (229), 6 states have call successors, (68), 5 states have call predecessors, (68), 2 states have return successors, (63), 6 states have call predecessors, (63), 6 states have call successors, (63) Word has length 344 [2022-11-25 17:20:39,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:20:39,482 INFO L225 Difference]: With dead ends: 10478 [2022-11-25 17:20:39,482 INFO L226 Difference]: Without dead ends: 5697 [2022-11-25 17:20:39,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 800 GetRequests, 782 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2022-11-25 17:20:39,500 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 808 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2665 mSolverCounterSat, 505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 3170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 505 IncrementalHoareTripleChecker+Valid, 2665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:20:39,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [838 Valid, 1360 Invalid, 3170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [505 Valid, 2665 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2022-11-25 17:20:39,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5697 states. [2022-11-25 17:20:39,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5697 to 4970. [2022-11-25 17:20:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4970 states, 3608 states have (on average 1.2954545454545454) internal successors, (4674), 3626 states have internal predecessors, (4674), 1011 states have call successors, (1011), 327 states have call predecessors, (1011), 350 states have return successors, (1058), 1034 states have call predecessors, (1058), 1010 states have call successors, (1058) [2022-11-25 17:20:39,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4970 states to 4970 states and 6743 transitions. [2022-11-25 17:20:39,953 INFO L78 Accepts]: Start accepts. Automaton has 4970 states and 6743 transitions. Word has length 344 [2022-11-25 17:20:39,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:20:39,954 INFO L495 AbstractCegarLoop]: Abstraction has 4970 states and 6743 transitions. [2022-11-25 17:20:39,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 19.083333333333332) internal successors, (229), 9 states have internal predecessors, (229), 6 states have call successors, (68), 5 states have call predecessors, (68), 2 states have return successors, (63), 6 states have call predecessors, (63), 6 states have call successors, (63) [2022-11-25 17:20:39,955 INFO L276 IsEmpty]: Start isEmpty. Operand 4970 states and 6743 transitions. [2022-11-25 17:20:39,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-11-25 17:20:39,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:20:39,969 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:20:39,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-11-25 17:20:40,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:20:40,182 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:20:40,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:20:40,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1221348671, now seen corresponding path program 1 times [2022-11-25 17:20:40,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:20:40,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416057832] [2022-11-25 17:20:40,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:40,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:20:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:40,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:20:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:40,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:20:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:40,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:20:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:40,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:20:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:20:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 17:20:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:20:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 17:20:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-25 17:20:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-25 17:20:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-25 17:20:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-25 17:20:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-25 17:20:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-25 17:20:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-25 17:20:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:20:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:20:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:20:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 17:20:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-25 17:20:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-25 17:20:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-25 17:20:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 17:20:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 17:20:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-25 17:20:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:20:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:20:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:20:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 17:20:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-25 17:20:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-25 17:20:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-25 17:20:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 17:20:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:41,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 17:20:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:42,002 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2022-11-25 17:20:42,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:20:42,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416057832] [2022-11-25 17:20:42,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416057832] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:20:42,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633419991] [2022-11-25 17:20:42,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:42,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:20:42,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:20:42,005 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:20:42,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-25 17:20:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:43,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 3443 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 17:20:43,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:20:43,429 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 314 proven. 34 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2022-11-25 17:20:43,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:20:44,119 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 751 trivial. 0 not checked. [2022-11-25 17:20:44,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633419991] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:20:44,120 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:20:44,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 13 [2022-11-25 17:20:44,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598562479] [2022-11-25 17:20:44,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:20:44,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 17:20:44,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:20:44,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 17:20:44,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-25 17:20:44,125 INFO L87 Difference]: Start difference. First operand 4970 states and 6743 transitions. Second operand has 13 states, 13 states have (on average 21.846153846153847) internal successors, (284), 10 states have internal predecessors, (284), 8 states have call successors, (75), 5 states have call predecessors, (75), 3 states have return successors, (75), 8 states have call predecessors, (75), 8 states have call successors, (75) [2022-11-25 17:20:54,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:20:54,396 INFO L93 Difference]: Finished difference Result 10250 states and 14138 transitions. [2022-11-25 17:20:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:20:54,396 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 21.846153846153847) internal successors, (284), 10 states have internal predecessors, (284), 8 states have call successors, (75), 5 states have call predecessors, (75), 3 states have return successors, (75), 8 states have call predecessors, (75), 8 states have call successors, (75) Word has length 413 [2022-11-25 17:20:54,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:20:54,419 INFO L225 Difference]: With dead ends: 10250 [2022-11-25 17:20:54,419 INFO L226 Difference]: Without dead ends: 5151 [2022-11-25 17:20:54,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 967 GetRequests, 941 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2022-11-25 17:20:54,437 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 793 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 2147 mSolverCounterSat, 459 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 2606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 459 IncrementalHoareTripleChecker+Valid, 2147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:20:54,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 1158 Invalid, 2606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [459 Valid, 2147 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2022-11-25 17:20:54,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5151 states. [2022-11-25 17:20:54,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5151 to 5024. [2022-11-25 17:20:54,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5024 states, 3650 states have (on average 1.2887671232876712) internal successors, (4704), 3668 states have internal predecessors, (4704), 1023 states have call successors, (1023), 327 states have call predecessors, (1023), 350 states have return successors, (1070), 1046 states have call predecessors, (1070), 1022 states have call successors, (1070) [2022-11-25 17:20:54,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5024 states to 5024 states and 6797 transitions. [2022-11-25 17:20:54,892 INFO L78 Accepts]: Start accepts. Automaton has 5024 states and 6797 transitions. Word has length 413 [2022-11-25 17:20:54,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:20:54,892 INFO L495 AbstractCegarLoop]: Abstraction has 5024 states and 6797 transitions. [2022-11-25 17:20:54,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 21.846153846153847) internal successors, (284), 10 states have internal predecessors, (284), 8 states have call successors, (75), 5 states have call predecessors, (75), 3 states have return successors, (75), 8 states have call predecessors, (75), 8 states have call successors, (75) [2022-11-25 17:20:54,893 INFO L276 IsEmpty]: Start isEmpty. Operand 5024 states and 6797 transitions. [2022-11-25 17:20:54,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2022-11-25 17:20:54,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:20:54,907 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:20:54,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-11-25 17:20:55,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-11-25 17:20:55,120 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:20:55,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:20:55,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1098877191, now seen corresponding path program 1 times [2022-11-25 17:20:55,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:20:55,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914292776] [2022-11-25 17:20:55,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:55,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:20:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:55,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:20:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:55,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:20:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:55,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:20:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:55,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:55,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:20:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:55,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:20:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:55,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 17:20:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:55,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:20:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:55,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:55,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 17:20:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:55,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:55,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-25 17:20:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:55,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:55,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-25 17:20:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 17:20:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:20:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-25 17:20:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-25 17:20:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-25 17:20:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-25 17:20:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:20:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:20:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:20:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-25 17:20:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:20:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-25 17:20:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-25 17:20:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-25 17:20:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-25 17:20:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 17:20:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:20:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:20:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:20:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 17:20:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-25 17:20:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-25 17:20:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-25 17:20:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:56,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:20:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:57,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-25 17:20:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:57,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 17:20:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:57,007 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2022-11-25 17:20:57,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:20:57,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914292776] [2022-11-25 17:20:57,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914292776] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:20:57,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201696036] [2022-11-25 17:20:57,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:57,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:20:57,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:20:57,012 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:20:57,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-11-25 17:20:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:58,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 3578 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:20:58,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:20:58,431 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2022-11-25 17:20:58,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:20:59,141 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2022-11-25 17:20:59,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201696036] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:20:59,141 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:20:59,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 9 [2022-11-25 17:20:59,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356304398] [2022-11-25 17:20:59,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:20:59,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:20:59,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:20:59,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:20:59,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:20:59,146 INFO L87 Difference]: Start difference. First operand 5024 states and 6797 transitions. Second operand has 9 states, 9 states have (on average 20.444444444444443) internal successors, (184), 6 states have internal predecessors, (184), 6 states have call successors, (56), 5 states have call predecessors, (56), 2 states have return successors, (48), 6 states have call predecessors, (48), 6 states have call successors, (48) [2022-11-25 17:21:09,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:21:09,781 INFO L93 Difference]: Finished difference Result 11420 states and 16082 transitions. [2022-11-25 17:21:09,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 17:21:09,782 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.444444444444443) internal successors, (184), 6 states have internal predecessors, (184), 6 states have call successors, (56), 5 states have call predecessors, (56), 2 states have return successors, (48), 6 states have call predecessors, (48), 6 states have call successors, (48) Word has length 423 [2022-11-25 17:21:09,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:21:09,812 INFO L225 Difference]: With dead ends: 11420 [2022-11-25 17:21:09,812 INFO L226 Difference]: Without dead ends: 6147 [2022-11-25 17:21:09,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 981 GetRequests, 968 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=134, Unknown=0, NotChecked=0, Total=210 [2022-11-25 17:21:09,831 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 815 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 2121 mSolverCounterSat, 520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 1159 SdHoareTripleChecker+Invalid, 2641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 520 IncrementalHoareTripleChecker+Valid, 2121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:21:09,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [847 Valid, 1159 Invalid, 2641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [520 Valid, 2121 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-11-25 17:21:09,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6147 states. [2022-11-25 17:21:10,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6147 to 5360. [2022-11-25 17:21:10,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5360 states, 3842 states have (on average 1.3055700156168661) internal successors, (5016), 3860 states have internal predecessors, (5016), 1167 states have call successors, (1167), 327 states have call predecessors, (1167), 350 states have return successors, (1214), 1190 states have call predecessors, (1214), 1166 states have call successors, (1214) [2022-11-25 17:21:10,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5360 states to 5360 states and 7397 transitions. [2022-11-25 17:21:10,450 INFO L78 Accepts]: Start accepts. Automaton has 5360 states and 7397 transitions. Word has length 423 [2022-11-25 17:21:10,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:21:10,453 INFO L495 AbstractCegarLoop]: Abstraction has 5360 states and 7397 transitions. [2022-11-25 17:21:10,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.444444444444443) internal successors, (184), 6 states have internal predecessors, (184), 6 states have call successors, (56), 5 states have call predecessors, (56), 2 states have return successors, (48), 6 states have call predecessors, (48), 6 states have call successors, (48) [2022-11-25 17:21:10,454 INFO L276 IsEmpty]: Start isEmpty. Operand 5360 states and 7397 transitions. [2022-11-25 17:21:10,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2022-11-25 17:21:10,466 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:21:10,466 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:21:10,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-11-25 17:21:10,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-11-25 17:21:10,680 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:21:10,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:10,681 INFO L85 PathProgramCache]: Analyzing trace with hash 88321551, now seen corresponding path program 1 times [2022-11-25 17:21:10,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:10,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697180214] [2022-11-25 17:21:10,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:10,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:21:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:21:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:21:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:21:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:21:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 17:21:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:21:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 17:21:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-25 17:21:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:21:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-25 17:21:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 17:21:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:21:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-25 17:21:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-25 17:21:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-25 17:21:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-25 17:21:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:21:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:21:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:21:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-25 17:21:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:21:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-25 17:21:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-25 17:21:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-25 17:21:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-25 17:21:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 17:21:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:21:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:21:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:21:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 17:21:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-25 17:21:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-25 17:21:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-25 17:21:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-25 17:21:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 17:21:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-25 17:21:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:21:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:21:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 17:21:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 17:21:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:11,771 INFO L134 CoverageAnalysis]: Checked inductivity of 966 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2022-11-25 17:21:11,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:21:11,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697180214] [2022-11-25 17:21:11,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697180214] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:21:11,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:21:11,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:21:11,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448509769] [2022-11-25 17:21:11,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:21:11,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:21:11,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:21:11,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:21:11,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:21:11,775 INFO L87 Difference]: Start difference. First operand 5360 states and 7397 transitions. Second operand has 6 states, 6 states have (on average 26.0) internal successors, (156), 3 states have internal predecessors, (156), 3 states have call successors, (39), 6 states have call predecessors, (39), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-25 17:21:21,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:21:21,477 INFO L93 Difference]: Finished difference Result 5487 states and 7593 transitions. [2022-11-25 17:21:21,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 17:21:21,477 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.0) internal successors, (156), 3 states have internal predecessors, (156), 3 states have call successors, (39), 6 states have call predecessors, (39), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 456 [2022-11-25 17:21:21,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:21:21,480 INFO L225 Difference]: With dead ends: 5487 [2022-11-25 17:21:21,480 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 17:21:21,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:21:21,490 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 970 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 1457 mSolverCounterSat, 492 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1005 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 1949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 492 IncrementalHoareTripleChecker+Valid, 1457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:21:21,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1005 Valid, 844 Invalid, 1949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [492 Valid, 1457 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2022-11-25 17:21:21,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 17:21:21,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 17:21:21,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:21:21,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 17:21:21,492 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 456 [2022-11-25 17:21:21,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:21:21,492 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:21:21,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.0) internal successors, (156), 3 states have internal predecessors, (156), 3 states have call successors, (39), 6 states have call predecessors, (39), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-25 17:21:21,493 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:21:21,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 17:21:21,495 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 17:21:21,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-25 17:21:21,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 17:22:08,007 INFO L902 garLoopResultBuilder]: At program point pi_releaseENTRY(lines 5692 5694) the Hoare annotation is: true [2022-11-25 17:22:08,007 INFO L899 garLoopResultBuilder]: For program point pi_releaseFINAL(lines 5692 5694) no Hoare annotation was computed. [2022-11-25 17:22:08,008 INFO L899 garLoopResultBuilder]: For program point pi_releaseEXIT(lines 5692 5694) no Hoare annotation was computed. [2022-11-25 17:22:08,008 INFO L899 garLoopResultBuilder]: For program point L3741(line 3741) no Hoare annotation was computed. [2022-11-25 17:22:08,008 INFO L899 garLoopResultBuilder]: For program point L3741-2(line 3741) no Hoare annotation was computed. [2022-11-25 17:22:08,008 INFO L899 garLoopResultBuilder]: For program point L3741-4(line 3741) no Hoare annotation was computed. [2022-11-25 17:22:08,008 INFO L899 garLoopResultBuilder]: For program point L3734(lines 3734 3746) no Hoare annotation was computed. [2022-11-25 17:22:08,008 INFO L895 garLoopResultBuilder]: At program point L3732(line 3732) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-25 17:22:08,009 INFO L899 garLoopResultBuilder]: For program point L3734-2(lines 3734 3746) no Hoare annotation was computed. [2022-11-25 17:22:08,009 INFO L899 garLoopResultBuilder]: For program point L3732-1(line 3732) no Hoare annotation was computed. [2022-11-25 17:22:08,009 INFO L899 garLoopResultBuilder]: For program point pf_getgeoFINAL(lines 3724 3749) no Hoare annotation was computed. [2022-11-25 17:22:08,009 INFO L895 garLoopResultBuilder]: At program point pf_getgeoENTRY(lines 3724 3749) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-25 17:22:08,009 INFO L899 garLoopResultBuilder]: For program point pf_getgeoEXIT(lines 3724 3749) no Hoare annotation was computed. [2022-11-25 17:22:08,009 INFO L899 garLoopResultBuilder]: For program point write_regFINAL(lines 3808 3814) no Hoare annotation was computed. [2022-11-25 17:22:08,010 INFO L902 garLoopResultBuilder]: At program point write_regENTRY(lines 3808 3814) the Hoare annotation is: true [2022-11-25 17:22:08,010 INFO L902 garLoopResultBuilder]: At program point L5699(lines 5698 5700) the Hoare annotation is: true [2022-11-25 17:22:08,010 INFO L899 garLoopResultBuilder]: For program point write_regEXIT(lines 3808 3814) no Hoare annotation was computed. [2022-11-25 17:22:08,010 INFO L902 garLoopResultBuilder]: At program point pi_disconnectENTRY(lines 5675 5677) the Hoare annotation is: true [2022-11-25 17:22:08,010 INFO L899 garLoopResultBuilder]: For program point pi_disconnectFINAL(lines 5675 5677) no Hoare annotation was computed. [2022-11-25 17:22:08,010 INFO L899 garLoopResultBuilder]: For program point pi_disconnectEXIT(lines 5675 5677) no Hoare annotation was computed. [2022-11-25 17:22:08,010 INFO L899 garLoopResultBuilder]: For program point status_regEXIT(lines 3794 3800) no Hoare annotation was computed. [2022-11-25 17:22:08,011 INFO L899 garLoopResultBuilder]: For program point L3797-1(line 3797) no Hoare annotation was computed. [2022-11-25 17:22:08,011 INFO L902 garLoopResultBuilder]: At program point status_regENTRY(lines 3794 3800) the Hoare annotation is: true [2022-11-25 17:22:08,011 INFO L902 garLoopResultBuilder]: At program point L3797(line 3797) the Hoare annotation is: true [2022-11-25 17:22:08,011 INFO L899 garLoopResultBuilder]: For program point status_regFINAL(lines 3794 3800) no Hoare annotation was computed. [2022-11-25 17:22:08,011 INFO L899 garLoopResultBuilder]: For program point __const_udelayFINAL(lines 5627 5629) no Hoare annotation was computed. [2022-11-25 17:22:08,011 INFO L899 garLoopResultBuilder]: For program point __const_udelayEXIT(lines 5627 5629) no Hoare annotation was computed. [2022-11-25 17:22:08,011 INFO L902 garLoopResultBuilder]: At program point __const_udelayENTRY(lines 5627 5629) the Hoare annotation is: true [2022-11-25 17:22:08,012 INFO L895 garLoopResultBuilder]: At program point ldv_mutex_lock_pf_mutexENTRY(lines 5522 5532) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0)) (= |old(~ldv_mutex_pf_mutex~0)| ~ldv_mutex_pf_mutex~0)) [2022-11-25 17:22:08,012 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_lock_pf_mutexFINAL(lines 5522 5532) no Hoare annotation was computed. [2022-11-25 17:22:08,012 INFO L895 garLoopResultBuilder]: At program point L5527(line 5527) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-25 17:22:08,012 INFO L899 garLoopResultBuilder]: For program point L5527-1(lines 5525 5528) no Hoare annotation was computed. [2022-11-25 17:22:08,012 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_lock_pf_mutexEXIT(lines 5522 5532) no Hoare annotation was computed. [2022-11-25 17:22:08,013 INFO L899 garLoopResultBuilder]: For program point L5525(lines 5525 5528) no Hoare annotation was computed. [2022-11-25 17:22:08,013 INFO L899 garLoopResultBuilder]: For program point L3999-1(line 3999) no Hoare annotation was computed. [2022-11-25 17:22:08,013 INFO L895 garLoopResultBuilder]: At program point L3999(line 3999) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5))) [2022-11-25 17:22:08,013 INFO L899 garLoopResultBuilder]: For program point L3991(lines 3991 3995) no Hoare annotation was computed. [2022-11-25 17:22:08,013 INFO L895 garLoopResultBuilder]: At program point L3987(lines 3983 3997) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4))) [2022-11-25 17:22:08,014 INFO L895 garLoopResultBuilder]: At program point L3981(lines 3981 3997) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5))) [2022-11-25 17:22:08,014 INFO L899 garLoopResultBuilder]: For program point L4002(lines 4002 4005) no Hoare annotation was computed. [2022-11-25 17:22:08,014 INFO L899 garLoopResultBuilder]: For program point L3998-1(lines 3979 4007) no Hoare annotation was computed. [2022-11-25 17:22:08,014 INFO L895 garLoopResultBuilder]: At program point L3994(lines 3979 4007) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5))) [2022-11-25 17:22:08,014 INFO L895 garLoopResultBuilder]: At program point L3992(lines 3983 3997) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4))) [2022-11-25 17:22:08,015 INFO L899 garLoopResultBuilder]: For program point pf_atapiEXIT(lines 3975 4008) no Hoare annotation was computed. [2022-11-25 17:22:08,015 INFO L899 garLoopResultBuilder]: For program point pf_atapiFINAL(lines 3975 4008) no Hoare annotation was computed. [2022-11-25 17:22:08,015 INFO L895 garLoopResultBuilder]: At program point L3980(line 3980) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5))) [2022-11-25 17:22:08,015 INFO L895 garLoopResultBuilder]: At program point pf_atapiENTRY(lines 3975 4008) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5))) [2022-11-25 17:22:08,015 INFO L899 garLoopResultBuilder]: For program point L3980-1(line 3980) no Hoare annotation was computed. [2022-11-25 17:22:08,016 INFO L895 garLoopResultBuilder]: At program point L4003(line 4003) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= pf_atapi_~r~3 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5))) [2022-11-25 17:22:08,016 INFO L899 garLoopResultBuilder]: For program point L4127-1(lines 4127 4130) no Hoare annotation was computed. [2022-11-25 17:22:08,016 INFO L902 garLoopResultBuilder]: At program point L4090(lines 4070 4136) the Hoare annotation is: true [2022-11-25 17:22:08,016 INFO L902 garLoopResultBuilder]: At program point L4078(line 4078) the Hoare annotation is: true [2022-11-25 17:22:08,016 INFO L902 garLoopResultBuilder]: At program point L4078-1(line 4078) the Hoare annotation is: true [2022-11-25 17:22:08,016 INFO L895 garLoopResultBuilder]: At program point L4107(lines 4070 4136) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0)) (<= pf_reset_~i~0 4)) [2022-11-25 17:22:08,016 INFO L899 garLoopResultBuilder]: For program point L4103(line 4103) no Hoare annotation was computed. [2022-11-25 17:22:08,016 INFO L899 garLoopResultBuilder]: For program point L4103-2(line 4103) no Hoare annotation was computed. [2022-11-25 17:22:08,017 INFO L899 garLoopResultBuilder]: For program point L4103-4(line 4103) no Hoare annotation was computed. [2022-11-25 17:22:08,017 INFO L902 garLoopResultBuilder]: At program point L4095(lines 4070 4136) the Hoare annotation is: true [2022-11-25 17:22:08,017 INFO L902 garLoopResultBuilder]: At program point L4124(lines 4112 4132) the Hoare annotation is: true [2022-11-25 17:22:08,017 INFO L902 garLoopResultBuilder]: At program point L4120(lines 4112 4132) the Hoare annotation is: true [2022-11-25 17:22:08,017 INFO L899 garLoopResultBuilder]: For program point L4087(lines 4087 4096) no Hoare annotation was computed. [2022-11-25 17:22:08,017 INFO L902 garLoopResultBuilder]: At program point L4083(lines 4070 4136) the Hoare annotation is: true [2022-11-25 17:22:08,017 INFO L899 garLoopResultBuilder]: For program point L4079(line 4079) no Hoare annotation was computed. [2022-11-25 17:22:08,017 INFO L899 garLoopResultBuilder]: For program point L4112-1(lines 4112 4133) no Hoare annotation was computed. [2022-11-25 17:22:08,017 INFO L902 garLoopResultBuilder]: At program point L4088(line 4088) the Hoare annotation is: true [2022-11-25 17:22:08,017 INFO L899 garLoopResultBuilder]: For program point L4088-1(line 4088) no Hoare annotation was computed. [2022-11-25 17:22:08,018 INFO L899 garLoopResultBuilder]: For program point L4117(line 4117) no Hoare annotation was computed. [2022-11-25 17:22:08,018 INFO L902 garLoopResultBuilder]: At program point L4076(line 4076) the Hoare annotation is: true [2022-11-25 17:22:08,018 INFO L902 garLoopResultBuilder]: At program point L4109(lines 4070 4136) the Hoare annotation is: true [2022-11-25 17:22:08,018 INFO L899 garLoopResultBuilder]: For program point L4076-1(line 4076) no Hoare annotation was computed. [2022-11-25 17:22:08,018 INFO L902 garLoopResultBuilder]: At program point L4105(lines 4070 4136) the Hoare annotation is: true [2022-11-25 17:22:08,018 INFO L895 garLoopResultBuilder]: At program point pf_resetENTRY(lines 4061 4137) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) [2022-11-25 17:22:08,019 INFO L902 garLoopResultBuilder]: At program point L4134(line 4134) the Hoare annotation is: true [2022-11-25 17:22:08,019 INFO L899 garLoopResultBuilder]: For program point L4134-1(line 4134) no Hoare annotation was computed. [2022-11-25 17:22:08,019 INFO L899 garLoopResultBuilder]: For program point pf_resetEXIT(lines 4061 4137) no Hoare annotation was computed. [2022-11-25 17:22:08,019 INFO L895 garLoopResultBuilder]: At program point L4122(lines 4112 4132) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0)) (<= pf_reset_~i~0 4)) [2022-11-25 17:22:08,019 INFO L899 garLoopResultBuilder]: For program point L4089(lines 4089 4093) no Hoare annotation was computed. [2022-11-25 17:22:08,019 INFO L899 garLoopResultBuilder]: For program point pf_resetFINAL(lines 4061 4137) no Hoare annotation was computed. [2022-11-25 17:22:08,019 INFO L899 garLoopResultBuilder]: For program point L4077-1(line 4077) no Hoare annotation was computed. [2022-11-25 17:22:08,019 INFO L902 garLoopResultBuilder]: At program point L4077(line 4077) the Hoare annotation is: true [2022-11-25 17:22:08,020 INFO L899 garLoopResultBuilder]: For program point L4102(line 4102) no Hoare annotation was computed. [2022-11-25 17:22:08,020 INFO L895 garLoopResultBuilder]: At program point L3873-1(line 3873) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2022-11-25 17:22:08,020 INFO L895 garLoopResultBuilder]: At program point L3873(line 3873) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2022-11-25 17:22:08,020 INFO L899 garLoopResultBuilder]: For program point L3869-1(line 3869) no Hoare annotation was computed. [2022-11-25 17:22:08,020 INFO L902 garLoopResultBuilder]: At program point L3869(line 3869) the Hoare annotation is: true [2022-11-25 17:22:08,020 INFO L899 garLoopResultBuilder]: For program point L3867-1(line 3867) no Hoare annotation was computed. [2022-11-25 17:22:08,020 INFO L902 garLoopResultBuilder]: At program point L3867(line 3867) the Hoare annotation is: true [2022-11-25 17:22:08,020 INFO L899 garLoopResultBuilder]: For program point L3865-1(line 3865) no Hoare annotation was computed. [2022-11-25 17:22:08,020 INFO L902 garLoopResultBuilder]: At program point L3865(line 3865) the Hoare annotation is: true [2022-11-25 17:22:08,020 INFO L895 garLoopResultBuilder]: At program point L3882(line 3882) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (and (= pf_command_~tmp___0~2 0) (= pf_command_~tmp~10 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) .cse4 (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5))) [2022-11-25 17:22:08,021 INFO L899 garLoopResultBuilder]: For program point L3882-1(line 3882) no Hoare annotation was computed. [2022-11-25 17:22:08,021 INFO L895 garLoopResultBuilder]: At program point L3878(line 3878) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2022-11-25 17:22:08,021 INFO L899 garLoopResultBuilder]: For program point L3876(line 3876) no Hoare annotation was computed. [2022-11-25 17:22:08,021 INFO L899 garLoopResultBuilder]: For program point pf_commandFINAL(lines 3860 3892) no Hoare annotation was computed. [2022-11-25 17:22:08,021 INFO L899 garLoopResultBuilder]: For program point L3878-1(line 3878) no Hoare annotation was computed. [2022-11-25 17:22:08,021 INFO L895 garLoopResultBuilder]: At program point L3874(line 3874) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2022-11-25 17:22:08,021 INFO L899 garLoopResultBuilder]: For program point L3868(lines 3868 3872) no Hoare annotation was computed. [2022-11-25 17:22:08,021 INFO L902 garLoopResultBuilder]: At program point L3866(line 3866) the Hoare annotation is: true [2022-11-25 17:22:08,021 INFO L899 garLoopResultBuilder]: For program point L3866-1(line 3866) no Hoare annotation was computed. [2022-11-25 17:22:08,021 INFO L902 garLoopResultBuilder]: At program point pf_commandENTRY(lines 3860 3892) the Hoare annotation is: true [2022-11-25 17:22:08,022 INFO L899 garLoopResultBuilder]: For program point L3889-1(line 3889) no Hoare annotation was computed. [2022-11-25 17:22:08,022 INFO L899 garLoopResultBuilder]: For program point pf_commandEXIT(lines 3860 3892) no Hoare annotation was computed. [2022-11-25 17:22:08,022 INFO L895 garLoopResultBuilder]: At program point L3889(line 3889) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (and (= pf_command_~tmp___0~2 0) (= pf_command_~tmp~10 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) .cse4 (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5))) [2022-11-25 17:22:08,022 INFO L899 garLoopResultBuilder]: For program point L3885-1(line 3885) no Hoare annotation was computed. [2022-11-25 17:22:08,022 INFO L895 garLoopResultBuilder]: At program point L3885(line 3885) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (and (= pf_command_~tmp___0~2 0) (= pf_command_~tmp~10 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) .cse4 (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5))) [2022-11-25 17:22:08,022 INFO L899 garLoopResultBuilder]: For program point L3883(lines 3883 3888) no Hoare annotation was computed. [2022-11-25 17:22:08,022 INFO L899 garLoopResultBuilder]: For program point L3877(lines 3877 3881) no Hoare annotation was computed. [2022-11-25 17:22:08,022 INFO L895 garLoopResultBuilder]: At program point L3875(line 3875) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2022-11-25 17:22:08,022 INFO L899 garLoopResultBuilder]: For program point L4383(line 4383) no Hoare annotation was computed. [2022-11-25 17:22:08,022 INFO L899 garLoopResultBuilder]: For program point L4346(lines 4346 4349) no Hoare annotation was computed. [2022-11-25 17:22:08,023 INFO L899 garLoopResultBuilder]: For program point L4375(lines 4375 4379) no Hoare annotation was computed. [2022-11-25 17:22:08,023 INFO L899 garLoopResultBuilder]: For program point L4371(lines 4371 4374) no Hoare annotation was computed. [2022-11-25 17:22:08,023 INFO L899 garLoopResultBuilder]: For program point L4338(lines 4338 4358) no Hoare annotation was computed. [2022-11-25 17:22:08,023 INFO L899 garLoopResultBuilder]: For program point L4363(lines 4363 4367) no Hoare annotation was computed. [2022-11-25 17:22:08,023 INFO L902 garLoopResultBuilder]: At program point L4351(lines 4341 4358) the Hoare annotation is: true [2022-11-25 17:22:08,023 INFO L899 garLoopResultBuilder]: For program point L4384(lines 4384 4387) no Hoare annotation was computed. [2022-11-25 17:22:08,023 INFO L899 garLoopResultBuilder]: For program point L4376-1(line 4376) no Hoare annotation was computed. [2022-11-25 17:22:08,023 INFO L902 garLoopResultBuilder]: At program point L4376(line 4376) the Hoare annotation is: true [2022-11-25 17:22:08,023 INFO L902 garLoopResultBuilder]: At program point L4339(line 4339) the Hoare annotation is: true [2022-11-25 17:22:08,023 INFO L899 garLoopResultBuilder]: For program point L4339-1(line 4339) no Hoare annotation was computed. [2022-11-25 17:22:08,023 INFO L902 garLoopResultBuilder]: At program point L4364(lines 4332 4369) the Hoare annotation is: true [2022-11-25 17:22:08,023 INFO L902 garLoopResultBuilder]: At program point L4393(lines 4332 4396) the Hoare annotation is: true [2022-11-25 17:22:08,024 INFO L902 garLoopResultBuilder]: At program point L4389(lines 4369 4396) the Hoare annotation is: true [2022-11-25 17:22:08,024 INFO L899 garLoopResultBuilder]: For program point L4352(lines 4352 4356) no Hoare annotation was computed. [2022-11-25 17:22:08,024 INFO L899 garLoopResultBuilder]: For program point pf_probeEXIT(lines 4324 4399) no Hoare annotation was computed. [2022-11-25 17:22:08,024 INFO L899 garLoopResultBuilder]: For program point L4336(line 4336) no Hoare annotation was computed. [2022-11-25 17:22:08,024 INFO L899 garLoopResultBuilder]: For program point L4332(lines 4332 4396) no Hoare annotation was computed. [2022-11-25 17:22:08,024 INFO L899 garLoopResultBuilder]: For program point L4390(lines 4390 4394) no Hoare annotation was computed. [2022-11-25 17:22:08,024 INFO L902 garLoopResultBuilder]: At program point L4353(lines 4341 4358) the Hoare annotation is: true [2022-11-25 17:22:08,025 INFO L899 garLoopResultBuilder]: For program point L4345(line 4345) no Hoare annotation was computed. [2022-11-25 17:22:08,025 INFO L895 garLoopResultBuilder]: At program point L4370(line 4370) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) [2022-11-25 17:22:08,025 INFO L895 garLoopResultBuilder]: At program point pf_probeENTRY(lines 4324 4399) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) [2022-11-25 17:22:08,025 INFO L899 garLoopResultBuilder]: For program point L4337(lines 4337 4360) no Hoare annotation was computed. [2022-11-25 17:22:08,025 INFO L899 garLoopResultBuilder]: For program point L4370-1(line 4370) no Hoare annotation was computed. [2022-11-25 17:22:08,025 INFO L902 garLoopResultBuilder]: At program point L4337-1(lines 4337 4360) the Hoare annotation is: true [2022-11-25 17:22:08,026 INFO L902 garLoopResultBuilder]: At program point L4362(lines 4332 4369) the Hoare annotation is: true [2022-11-25 17:22:08,026 INFO L902 garLoopResultBuilder]: At program point L4391(lines 4369 4396) the Hoare annotation is: true [2022-11-25 17:22:08,026 INFO L899 garLoopResultBuilder]: For program point pf_probeFINAL(lines 4324 4399) no Hoare annotation was computed. [2022-11-25 17:22:08,026 INFO L902 garLoopResultBuilder]: At program point pi_read_blockENTRY(lines 5685 5687) the Hoare annotation is: true [2022-11-25 17:22:08,026 INFO L899 garLoopResultBuilder]: For program point pi_read_blockFINAL(lines 5685 5687) no Hoare annotation was computed. [2022-11-25 17:22:08,026 INFO L899 garLoopResultBuilder]: For program point pi_read_blockEXIT(lines 5685 5687) no Hoare annotation was computed. [2022-11-25 17:22:08,027 INFO L899 garLoopResultBuilder]: For program point L3842-1(line 3842) no Hoare annotation was computed. [2022-11-25 17:22:08,027 INFO L895 garLoopResultBuilder]: At program point L3838(lines 3822 3858) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (= |pf_wait_#in~stop| pf_wait_~stop)) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5))) [2022-11-25 17:22:08,027 INFO L899 garLoopResultBuilder]: For program point L3832(lines 3832 3836) no Hoare annotation was computed. [2022-11-25 17:22:08,027 INFO L899 garLoopResultBuilder]: For program point L3828(line 3828) no Hoare annotation was computed. [2022-11-25 17:22:08,027 INFO L895 garLoopResultBuilder]: At program point L3826(lines 3822 3858) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (= |pf_wait_#in~stop| pf_wait_~stop)) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5))) [2022-11-25 17:22:08,028 INFO L899 garLoopResultBuilder]: For program point L3849-1(lines 3849 3853) no Hoare annotation was computed. [2022-11-25 17:22:08,028 INFO L899 garLoopResultBuilder]: For program point L3845(lines 3845 3848) no Hoare annotation was computed. [2022-11-25 17:22:08,028 INFO L899 garLoopResultBuilder]: For program point L3843-1(line 3843) no Hoare annotation was computed. [2022-11-25 17:22:08,028 INFO L895 garLoopResultBuilder]: At program point L3843(line 3843) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (and (= |pf_wait_#in~stop| pf_wait_~stop) (or (not (<= pf_wait_~j~0 64000)) (not (= |pf_wait_#in~stop| 0))))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5))) [2022-11-25 17:22:08,028 INFO L899 garLoopResultBuilder]: For program point L3845-2(lines 3841 3855) no Hoare annotation was computed. [2022-11-25 17:22:08,029 INFO L895 garLoopResultBuilder]: At program point L3833(lines 3822 3858) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (= |pf_wait_#in~stop| pf_wait_~stop)) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5))) [2022-11-25 17:22:08,029 INFO L899 garLoopResultBuilder]: For program point pf_waitFINAL(lines 3815 3859) no Hoare annotation was computed. [2022-11-25 17:22:08,029 INFO L899 garLoopResultBuilder]: For program point L3829(lines 3829 3839) no Hoare annotation was computed. [2022-11-25 17:22:08,029 INFO L902 garLoopResultBuilder]: At program point pf_waitENTRY(lines 3815 3859) the Hoare annotation is: true [2022-11-25 17:22:08,029 INFO L899 garLoopResultBuilder]: For program point pf_waitEXIT(lines 3815 3859) no Hoare annotation was computed. [2022-11-25 17:22:08,029 INFO L899 garLoopResultBuilder]: For program point L3846(line 3846) no Hoare annotation was computed. [2022-11-25 17:22:08,030 INFO L895 garLoopResultBuilder]: At program point L3844(line 3844) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (and (= |pf_wait_#in~stop| pf_wait_~stop) (or (not (<= pf_wait_~j~0 64000)) (not (= |pf_wait_#in~stop| 0))))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5))) [2022-11-25 17:22:08,030 INFO L899 garLoopResultBuilder]: For program point L3846-2(line 3846) no Hoare annotation was computed. [2022-11-25 17:22:08,030 INFO L895 garLoopResultBuilder]: At program point L3842(line 3842) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (and (= |pf_wait_#in~stop| pf_wait_~stop) (or (not (<= pf_wait_~j~0 64000)) (not (= |pf_wait_#in~stop| 0))))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5))) [2022-11-25 17:22:08,030 INFO L899 garLoopResultBuilder]: For program point L3846-4(line 3846) no Hoare annotation was computed. [2022-11-25 17:22:08,030 INFO L899 garLoopResultBuilder]: For program point L3844-1(line 3844) no Hoare annotation was computed. [2022-11-25 17:22:08,030 INFO L899 garLoopResultBuilder]: For program point read_regFINAL(lines 3801 3807) no Hoare annotation was computed. [2022-11-25 17:22:08,030 INFO L902 garLoopResultBuilder]: At program point L3804(line 3804) the Hoare annotation is: true [2022-11-25 17:22:08,031 INFO L899 garLoopResultBuilder]: For program point read_regEXIT(lines 3801 3807) no Hoare annotation was computed. [2022-11-25 17:22:08,031 INFO L899 garLoopResultBuilder]: For program point L3804-1(line 3804) no Hoare annotation was computed. [2022-11-25 17:22:08,031 INFO L902 garLoopResultBuilder]: At program point read_regENTRY(lines 3801 3807) the Hoare annotation is: true [2022-11-25 17:22:08,031 INFO L899 garLoopResultBuilder]: For program point L4288-2(line 4288) no Hoare annotation was computed. [2022-11-25 17:22:08,031 INFO L899 garLoopResultBuilder]: For program point L4288(line 4288) no Hoare annotation was computed. [2022-11-25 17:22:08,031 INFO L899 garLoopResultBuilder]: For program point L4284(lines 4284 4287) no Hoare annotation was computed. [2022-11-25 17:22:08,031 INFO L899 garLoopResultBuilder]: For program point L4288-4(line 4288) no Hoare annotation was computed. [2022-11-25 17:22:08,031 INFO L899 garLoopResultBuilder]: For program point L4247(lines 4247 4255) no Hoare annotation was computed. [2022-11-25 17:22:08,031 INFO L899 garLoopResultBuilder]: For program point L4247-1(lines 4247 4255) no Hoare annotation was computed. [2022-11-25 17:22:08,031 INFO L899 garLoopResultBuilder]: For program point L4239(lines 4239 4243) no Hoare annotation was computed. [2022-11-25 17:22:08,031 INFO L899 garLoopResultBuilder]: For program point pf_identifyEXIT(lines 4259 4323) no Hoare annotation was computed. [2022-11-25 17:22:08,031 INFO L902 garLoopResultBuilder]: At program point L4301(line 4301) the Hoare annotation is: true [2022-11-25 17:22:08,031 INFO L902 garLoopResultBuilder]: At program point L4301-1(line 4301) the Hoare annotation is: true [2022-11-25 17:22:08,032 INFO L902 garLoopResultBuilder]: At program point L4318(line 4318) the Hoare annotation is: true [2022-11-25 17:22:08,032 INFO L899 garLoopResultBuilder]: For program point L4289(lines 4289 4297) no Hoare annotation was computed. [2022-11-25 17:22:08,032 INFO L902 garLoopResultBuilder]: At program point L4256(lines 4219 4258) the Hoare annotation is: true [2022-11-25 17:22:08,032 INFO L899 garLoopResultBuilder]: For program point L4314(lines 4314 4317) no Hoare annotation was computed. [2022-11-25 17:22:08,032 INFO L899 garLoopResultBuilder]: For program point L4318-1(line 4318) no Hoare annotation was computed. [2022-11-25 17:22:08,032 INFO L899 garLoopResultBuilder]: For program point L4248-1(line 4248) no Hoare annotation was computed. [2022-11-25 17:22:08,032 INFO L902 garLoopResultBuilder]: At program point L4248(line 4248) the Hoare annotation is: true [2022-11-25 17:22:08,032 INFO L899 garLoopResultBuilder]: For program point L4314-2(lines 4314 4317) no Hoare annotation was computed. [2022-11-25 17:22:08,032 INFO L899 garLoopResultBuilder]: For program point L4244-1(line 4244) no Hoare annotation was computed. [2022-11-25 17:22:08,033 INFO L902 garLoopResultBuilder]: At program point L4244(line 4244) the Hoare annotation is: true [2022-11-25 17:22:08,033 INFO L902 garLoopResultBuilder]: At program point L4302(line 4302) the Hoare annotation is: true [2022-11-25 17:22:08,033 INFO L902 garLoopResultBuilder]: At program point L4298(line 4298) the Hoare annotation is: true [2022-11-25 17:22:08,033 INFO L899 garLoopResultBuilder]: For program point pf_identifyFINAL(lines 4259 4323) no Hoare annotation was computed. [2022-11-25 17:22:08,033 INFO L902 garLoopResultBuilder]: At program point L4298-1(line 4298) the Hoare annotation is: true [2022-11-25 17:22:08,033 INFO L899 garLoopResultBuilder]: For program point L4290(lines 4290 4294) no Hoare annotation was computed. [2022-11-25 17:22:08,033 INFO L899 garLoopResultBuilder]: For program point L4290-2(lines 4290 4294) no Hoare annotation was computed. [2022-11-25 17:22:08,034 INFO L899 garLoopResultBuilder]: For program point L4311(lines 4311 4320) no Hoare annotation was computed. [2022-11-25 17:22:08,034 INFO L899 garLoopResultBuilder]: For program point L4249(lines 4249 4253) no Hoare annotation was computed. [2022-11-25 17:22:08,034 INFO L899 garLoopResultBuilder]: For program point L4307(lines 4307 4310) no Hoare annotation was computed. [2022-11-25 17:22:08,034 INFO L902 garLoopResultBuilder]: At program point L4245(line 4245) the Hoare annotation is: true [2022-11-25 17:22:08,034 INFO L899 garLoopResultBuilder]: For program point L4311-2(lines 4311 4320) no Hoare annotation was computed. [2022-11-25 17:22:08,034 INFO L899 garLoopResultBuilder]: For program point L4245-1(line 4245) no Hoare annotation was computed. [2022-11-25 17:22:08,034 INFO L899 garLoopResultBuilder]: For program point L4303(line 4303) no Hoare annotation was computed. [2022-11-25 17:22:08,035 INFO L895 garLoopResultBuilder]: At program point pf_identifyENTRY(lines 4259 4323) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) (not (<= ~ldv_state_variable_1~0 1)) .cse4 .cse5))) [2022-11-25 17:22:08,035 INFO L899 garLoopResultBuilder]: For program point L4307-2(lines 4307 4310) no Hoare annotation was computed. [2022-11-25 17:22:08,035 INFO L899 garLoopResultBuilder]: For program point L4299(line 4299) no Hoare annotation was computed. [2022-11-25 17:22:08,035 INFO L902 garLoopResultBuilder]: At program point L4283(line 4283) the Hoare annotation is: true [2022-11-25 17:22:08,035 INFO L899 garLoopResultBuilder]: For program point L4283-1(line 4283) no Hoare annotation was computed. [2022-11-25 17:22:08,036 INFO L902 garLoopResultBuilder]: At program point L4246(line 4246) the Hoare annotation is: true [2022-11-25 17:22:08,036 INFO L899 garLoopResultBuilder]: For program point L4246-1(line 4246) no Hoare annotation was computed. [2022-11-25 17:22:08,036 INFO L902 garLoopResultBuilder]: At program point L4238(line 4238) the Hoare annotation is: true [2022-11-25 17:22:08,036 INFO L899 garLoopResultBuilder]: For program point L4238-1(line 4238) no Hoare annotation was computed. [2022-11-25 17:22:08,036 INFO L899 garLoopResultBuilder]: For program point pf_sleepEXIT(lines 4054 4060) no Hoare annotation was computed. [2022-11-25 17:22:08,036 INFO L902 garLoopResultBuilder]: At program point L5718(lines 5717 5719) the Hoare annotation is: true [2022-11-25 17:22:08,036 INFO L899 garLoopResultBuilder]: For program point pf_sleepFINAL(lines 4054 4060) no Hoare annotation was computed. [2022-11-25 17:22:08,037 INFO L902 garLoopResultBuilder]: At program point pf_sleepENTRY(lines 4054 4060) the Hoare annotation is: true [2022-11-25 17:22:08,037 INFO L899 garLoopResultBuilder]: For program point pf_mode_senseEXIT(lines 4138 4162) no Hoare annotation was computed. [2022-11-25 17:22:08,037 INFO L899 garLoopResultBuilder]: For program point L4156(lines 4156 4159) no Hoare annotation was computed. [2022-11-25 17:22:08,037 INFO L902 garLoopResultBuilder]: At program point L4154(line 4154) the Hoare annotation is: true [2022-11-25 17:22:08,037 INFO L899 garLoopResultBuilder]: For program point L4156-2(lines 4156 4159) no Hoare annotation was computed. [2022-11-25 17:22:08,037 INFO L899 garLoopResultBuilder]: For program point L4154-1(line 4154) no Hoare annotation was computed. [2022-11-25 17:22:08,038 INFO L895 garLoopResultBuilder]: At program point pf_mode_senseENTRY(lines 4138 4162) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) (not (<= ~ldv_state_variable_1~0 1)) .cse4 .cse5))) [2022-11-25 17:22:08,038 INFO L899 garLoopResultBuilder]: For program point pf_mode_senseFINAL(lines 4138 4162) no Hoare annotation was computed. [2022-11-25 17:22:08,038 INFO L899 garLoopResultBuilder]: For program point L5647(line 5647) no Hoare annotation was computed. [2022-11-25 17:22:08,038 INFO L895 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 5645 5649) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-25 17:22:08,038 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 5645 5649) no Hoare annotation was computed. [2022-11-25 17:22:08,038 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 5645 5649) no Hoare annotation was computed. [2022-11-25 17:22:08,039 INFO L899 garLoopResultBuilder]: For program point pi_write_blockEXIT(lines 5695 5697) no Hoare annotation was computed. [2022-11-25 17:22:08,039 INFO L902 garLoopResultBuilder]: At program point pi_write_blockENTRY(lines 5695 5697) the Hoare annotation is: true [2022-11-25 17:22:08,039 INFO L899 garLoopResultBuilder]: For program point pi_write_blockFINAL(lines 5695 5697) no Hoare annotation was computed. [2022-11-25 17:22:08,039 INFO L899 garLoopResultBuilder]: For program point L5583(lines 5583 5586) no Hoare annotation was computed. [2022-11-25 17:22:08,039 INFO L895 garLoopResultBuilder]: At program point L5585(line 5585) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= 2 |old(~ldv_mutex_pf_mutex~0)|)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-25 17:22:08,039 INFO L899 garLoopResultBuilder]: For program point L5585-1(lines 5583 5586) no Hoare annotation was computed. [2022-11-25 17:22:08,040 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_unlock_pf_mutexEXIT(lines 5580 5590) no Hoare annotation was computed. [2022-11-25 17:22:08,040 INFO L895 garLoopResultBuilder]: At program point ldv_mutex_unlock_pf_mutexENTRY(lines 5580 5590) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= 2 |old(~ldv_mutex_pf_mutex~0)|)) (not (= ~ldv_retval_pf_init~0 0)) (= |old(~ldv_mutex_pf_mutex~0)| ~ldv_mutex_pf_mutex~0)) [2022-11-25 17:22:08,040 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_unlock_pf_mutexFINAL(lines 5580 5590) no Hoare annotation was computed. [2022-11-25 17:22:08,040 INFO L899 garLoopResultBuilder]: For program point pf_check_eventsFINAL(lines 3788 3793) no Hoare annotation was computed. [2022-11-25 17:22:08,040 INFO L899 garLoopResultBuilder]: For program point pf_check_eventsEXIT(lines 3788 3793) no Hoare annotation was computed. [2022-11-25 17:22:08,040 INFO L902 garLoopResultBuilder]: At program point pf_check_eventsENTRY(lines 3788 3793) the Hoare annotation is: true [2022-11-25 17:22:08,041 INFO L899 garLoopResultBuilder]: For program point pi_initEXIT(lines 5682 5684) no Hoare annotation was computed. [2022-11-25 17:22:08,041 INFO L902 garLoopResultBuilder]: At program point pi_initENTRY(lines 5682 5684) the Hoare annotation is: true [2022-11-25 17:22:08,041 INFO L899 garLoopResultBuilder]: For program point pi_initFINAL(lines 5682 5684) no Hoare annotation was computed. [2022-11-25 17:22:08,041 INFO L902 garLoopResultBuilder]: At program point unregister_blkdevENTRY(lines 5720 5722) the Hoare annotation is: true [2022-11-25 17:22:08,041 INFO L899 garLoopResultBuilder]: For program point unregister_blkdevEXIT(lines 5720 5722) no Hoare annotation was computed. [2022-11-25 17:22:08,041 INFO L899 garLoopResultBuilder]: For program point unregister_blkdevFINAL(lines 5720 5722) no Hoare annotation was computed. [2022-11-25 17:22:08,041 INFO L902 garLoopResultBuilder]: At program point pi_read_regrENTRY(lines 5689 5691) the Hoare annotation is: true [2022-11-25 17:22:08,042 INFO L899 garLoopResultBuilder]: For program point pi_read_regrFINAL(lines 5689 5691) no Hoare annotation was computed. [2022-11-25 17:22:08,042 INFO L899 garLoopResultBuilder]: For program point pi_read_regrEXIT(lines 5689 5691) no Hoare annotation was computed. [2022-11-25 17:22:08,042 INFO L902 garLoopResultBuilder]: At program point mutex_unlockENTRY(lines 5669 5671) the Hoare annotation is: true [2022-11-25 17:22:08,042 INFO L899 garLoopResultBuilder]: For program point mutex_unlockEXIT(lines 5669 5671) no Hoare annotation was computed. [2022-11-25 17:22:08,042 INFO L899 garLoopResultBuilder]: For program point mutex_unlockFINAL(lines 5669 5671) no Hoare annotation was computed. [2022-11-25 17:22:08,042 INFO L899 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 5162 5167) no Hoare annotation was computed. [2022-11-25 17:22:08,042 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 5162 5167) the Hoare annotation is: true [2022-11-25 17:22:08,043 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5165) no Hoare annotation was computed. [2022-11-25 17:22:08,043 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 5162 5167) no Hoare annotation was computed. [2022-11-25 17:22:08,043 INFO L902 garLoopResultBuilder]: At program point pi_connectENTRY(lines 5672 5674) the Hoare annotation is: true [2022-11-25 17:22:08,043 INFO L899 garLoopResultBuilder]: For program point pi_connectEXIT(lines 5672 5674) no Hoare annotation was computed. [2022-11-25 17:22:08,043 INFO L899 garLoopResultBuilder]: For program point pi_connectFINAL(lines 5672 5674) no Hoare annotation was computed. [2022-11-25 17:22:08,043 INFO L899 garLoopResultBuilder]: For program point put_diskFINAL(lines 5705 5707) no Hoare annotation was computed. [2022-11-25 17:22:08,044 INFO L902 garLoopResultBuilder]: At program point put_diskENTRY(lines 5705 5707) the Hoare annotation is: true [2022-11-25 17:22:08,044 INFO L899 garLoopResultBuilder]: For program point put_diskEXIT(lines 5705 5707) no Hoare annotation was computed. [2022-11-25 17:22:08,044 INFO L899 garLoopResultBuilder]: For program point get_capacityEXIT(lines 3441 3446) no Hoare annotation was computed. [2022-11-25 17:22:08,044 INFO L902 garLoopResultBuilder]: At program point get_capacityENTRY(lines 3441 3446) the Hoare annotation is: true [2022-11-25 17:22:08,044 INFO L899 garLoopResultBuilder]: For program point get_capacityFINAL(lines 3441 3446) no Hoare annotation was computed. [2022-11-25 17:22:08,044 INFO L899 garLoopResultBuilder]: For program point set_capacityEXIT(lines 3447 3453) no Hoare annotation was computed. [2022-11-25 17:22:08,045 INFO L895 garLoopResultBuilder]: At program point set_capacityENTRY(lines 3447 3453) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) (not (<= ~ldv_state_variable_1~0 1)) .cse5))) [2022-11-25 17:22:08,045 INFO L899 garLoopResultBuilder]: For program point set_capacityFINAL(lines 3447 3453) no Hoare annotation was computed. [2022-11-25 17:22:08,045 INFO L899 garLoopResultBuilder]: For program point L4030(line 4030) no Hoare annotation was computed. [2022-11-25 17:22:08,045 INFO L899 garLoopResultBuilder]: For program point L4025(lines 4025 4029) no Hoare annotation was computed. [2022-11-25 17:22:08,045 INFO L899 garLoopResultBuilder]: For program point pf_lockEXIT(lines 4009 4033) no Hoare annotation was computed. [2022-11-25 17:22:08,045 INFO L902 garLoopResultBuilder]: At program point L4025-2(lines 4025 4029) the Hoare annotation is: true [2022-11-25 17:22:08,046 INFO L895 garLoopResultBuilder]: At program point pf_lockENTRY(lines 4009 4033) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= 2 ~ldv_mutex_pf_mutex~0)) (not (= ~ldv_retval_pf_init~0 0)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) [2022-11-25 17:22:08,046 INFO L899 garLoopResultBuilder]: For program point pf_lockFINAL(lines 4009 4033) no Hoare annotation was computed. [2022-11-25 17:22:08,046 INFO L902 garLoopResultBuilder]: At program point L3964(line 3964) the Hoare annotation is: true [2022-11-25 17:22:08,046 INFO L899 garLoopResultBuilder]: For program point L3964-1(line 3964) no Hoare annotation was computed. [2022-11-25 17:22:08,046 INFO L899 garLoopResultBuilder]: For program point L3956(lines 3956 3960) no Hoare annotation was computed. [2022-11-25 17:22:08,046 INFO L895 garLoopResultBuilder]: At program point L3952(lines 3948 3962) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4))) [2022-11-25 17:22:08,046 INFO L902 garLoopResultBuilder]: At program point L3946(lines 3946 3962) the Hoare annotation is: true [2022-11-25 17:22:08,046 INFO L899 garLoopResultBuilder]: For program point L3967-1(lines 3967 3971) no Hoare annotation was computed. [2022-11-25 17:22:08,047 INFO L899 garLoopResultBuilder]: For program point L3963-1(lines 3932 3973) no Hoare annotation was computed. [2022-11-25 17:22:08,047 INFO L902 garLoopResultBuilder]: At program point L3959(lines 3932 3973) the Hoare annotation is: true [2022-11-25 17:22:08,047 INFO L899 garLoopResultBuilder]: For program point pf_req_senseFINAL(lines 3926 3974) no Hoare annotation was computed. [2022-11-25 17:22:08,047 INFO L895 garLoopResultBuilder]: At program point L3957(lines 3948 3962) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4))) [2022-11-25 17:22:08,047 INFO L899 garLoopResultBuilder]: For program point L3945-1(line 3945) no Hoare annotation was computed. [2022-11-25 17:22:08,047 INFO L899 garLoopResultBuilder]: For program point pf_req_senseEXIT(lines 3926 3974) no Hoare annotation was computed. [2022-11-25 17:22:08,047 INFO L902 garLoopResultBuilder]: At program point L3945(line 3945) the Hoare annotation is: true [2022-11-25 17:22:08,047 INFO L895 garLoopResultBuilder]: At program point pf_req_senseENTRY(lines 3926 3974) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5))) [2022-11-25 17:22:08,047 INFO L902 garLoopResultBuilder]: At program point L3904(line 3904) the Hoare annotation is: true [2022-11-25 17:22:08,047 INFO L899 garLoopResultBuilder]: For program point L3906-1(line 3906) no Hoare annotation was computed. [2022-11-25 17:22:08,048 INFO L899 garLoopResultBuilder]: For program point L3904-1(line 3904) no Hoare annotation was computed. [2022-11-25 17:22:08,048 INFO L899 garLoopResultBuilder]: For program point L3917-1(line 3917) no Hoare annotation was computed. [2022-11-25 17:22:08,048 INFO L902 garLoopResultBuilder]: At program point L3917(line 3917) the Hoare annotation is: true [2022-11-25 17:22:08,048 INFO L899 garLoopResultBuilder]: For program point pf_completionFINAL(lines 3893 3925) no Hoare annotation was computed. [2022-11-25 17:22:08,048 INFO L899 garLoopResultBuilder]: For program point L3911-1(line 3911) no Hoare annotation was computed. [2022-11-25 17:22:08,048 INFO L902 garLoopResultBuilder]: At program point L3911(line 3911) the Hoare annotation is: true [2022-11-25 17:22:08,048 INFO L899 garLoopResultBuilder]: For program point L3909-1(line 3909) no Hoare annotation was computed. [2022-11-25 17:22:08,048 INFO L902 garLoopResultBuilder]: At program point L3909(line 3909) the Hoare annotation is: true [2022-11-25 17:22:08,048 INFO L899 garLoopResultBuilder]: For program point L3907(lines 3907 3913) no Hoare annotation was computed. [2022-11-25 17:22:08,048 INFO L902 garLoopResultBuilder]: At program point L3905-1(lines 3905 3915) the Hoare annotation is: true [2022-11-25 17:22:08,048 INFO L899 garLoopResultBuilder]: For program point L3905(lines 3905 3915) no Hoare annotation was computed. [2022-11-25 17:22:08,048 INFO L899 garLoopResultBuilder]: For program point L3903-1(line 3903) no Hoare annotation was computed. [2022-11-25 17:22:08,048 INFO L902 garLoopResultBuilder]: At program point L3903(line 3903) the Hoare annotation is: true [2022-11-25 17:22:08,049 INFO L899 garLoopResultBuilder]: For program point L3918(lines 3918 3922) no Hoare annotation was computed. [2022-11-25 17:22:08,049 INFO L899 garLoopResultBuilder]: For program point pf_completionEXIT(lines 3893 3925) no Hoare annotation was computed. [2022-11-25 17:22:08,049 INFO L899 garLoopResultBuilder]: For program point L3916(line 3916) no Hoare annotation was computed. [2022-11-25 17:22:08,049 INFO L899 garLoopResultBuilder]: For program point L3918-2(lines 3918 3922) no Hoare annotation was computed. [2022-11-25 17:22:08,049 INFO L902 garLoopResultBuilder]: At program point pf_completionENTRY(lines 3893 3925) the Hoare annotation is: true [2022-11-25 17:22:08,049 INFO L899 garLoopResultBuilder]: For program point L3910(line 3910) no Hoare annotation was computed. [2022-11-25 17:22:08,049 INFO L902 garLoopResultBuilder]: At program point L3908(line 3908) the Hoare annotation is: true [2022-11-25 17:22:08,049 INFO L899 garLoopResultBuilder]: For program point L3910-2(line 3910) no Hoare annotation was computed. [2022-11-25 17:22:08,049 INFO L902 garLoopResultBuilder]: At program point L3906(line 3906) the Hoare annotation is: true [2022-11-25 17:22:08,049 INFO L899 garLoopResultBuilder]: For program point L3910-4(line 3910) no Hoare annotation was computed. [2022-11-25 17:22:08,049 INFO L899 garLoopResultBuilder]: For program point L3908-1(line 3908) no Hoare annotation was computed. [2022-11-25 17:22:08,049 INFO L902 garLoopResultBuilder]: At program point L4209(lines 4202 4217) the Hoare annotation is: true [2022-11-25 17:22:08,049 INFO L899 garLoopResultBuilder]: For program point xlEXIT(lines 4199 4218) no Hoare annotation was computed. [2022-11-25 17:22:08,050 INFO L902 garLoopResultBuilder]: At program point L4211(lines 4202 4217) the Hoare annotation is: true [2022-11-25 17:22:08,050 INFO L902 garLoopResultBuilder]: At program point xlENTRY(lines 4199 4218) the Hoare annotation is: true [2022-11-25 17:22:08,050 INFO L899 garLoopResultBuilder]: For program point xlFINAL(lines 4199 4218) no Hoare annotation was computed. [2022-11-25 17:22:08,050 INFO L902 garLoopResultBuilder]: At program point L4213(lines 4202 4217) the Hoare annotation is: true [2022-11-25 17:22:08,050 INFO L902 garLoopResultBuilder]: At program point mutex_lockENTRY(lines 5662 5664) the Hoare annotation is: true [2022-11-25 17:22:08,050 INFO L899 garLoopResultBuilder]: For program point mutex_lockFINAL(lines 5662 5664) no Hoare annotation was computed. [2022-11-25 17:22:08,050 INFO L899 garLoopResultBuilder]: For program point mutex_lockEXIT(lines 5662 5664) no Hoare annotation was computed. [2022-11-25 17:22:08,050 INFO L895 garLoopResultBuilder]: At program point L4891(line 4891) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,050 INFO L899 garLoopResultBuilder]: For program point L4891-1(line 4891) no Hoare annotation was computed. [2022-11-25 17:22:08,050 INFO L895 garLoopResultBuilder]: At program point L3702(line 3702) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-25 17:22:08,051 INFO L895 garLoopResultBuilder]: At program point L4825(lines 4813 4829) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,051 INFO L899 garLoopResultBuilder]: For program point L3702-1(line 3702) no Hoare annotation was computed. [2022-11-25 17:22:08,051 INFO L895 garLoopResultBuilder]: At program point L5618(line 5618) the Hoare annotation is: false [2022-11-25 17:22:08,051 INFO L902 garLoopResultBuilder]: At program point L5618-1(lines 5601 5622) the Hoare annotation is: true [2022-11-25 17:22:08,051 INFO L895 garLoopResultBuilder]: At program point L5156(lines 5152 5159) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,051 INFO L899 garLoopResultBuilder]: For program point L4892-1(line 4892) no Hoare annotation was computed. [2022-11-25 17:22:08,051 INFO L895 garLoopResultBuilder]: At program point L4892(line 4892) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,051 INFO L899 garLoopResultBuilder]: For program point L4992(line 4992) no Hoare annotation was computed. [2022-11-25 17:22:08,052 INFO L895 garLoopResultBuilder]: At program point L4893(lines 4880 4905) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,052 INFO L899 garLoopResultBuilder]: For program point L3704(lines 3704 3707) no Hoare annotation was computed. [2022-11-25 17:22:08,052 INFO L895 garLoopResultBuilder]: At program point L5654(line 5654) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,052 INFO L899 garLoopResultBuilder]: For program point L5654-1(line 5654) no Hoare annotation was computed. [2022-11-25 17:22:08,052 INFO L895 garLoopResultBuilder]: At program point L5654-2(lines 5653 5655) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,052 INFO L899 garLoopResultBuilder]: For program point L4432(lines 4432 4435) no Hoare annotation was computed. [2022-11-25 17:22:08,052 INFO L899 garLoopResultBuilder]: For program point L5027(line 5027) no Hoare annotation was computed. [2022-11-25 17:22:08,053 INFO L899 garLoopResultBuilder]: For program point L4961(line 4961) no Hoare annotation was computed. [2022-11-25 17:22:08,053 INFO L899 garLoopResultBuilder]: For program point L4962(lines 4962 4966) no Hoare annotation was computed. [2022-11-25 17:22:08,053 INFO L899 garLoopResultBuilder]: For program point L4962-2(lines 4936 4994) no Hoare annotation was computed. [2022-11-25 17:22:08,053 INFO L895 garLoopResultBuilder]: At program point L4896(lines 4880 4905) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,053 INFO L895 garLoopResultBuilder]: At program point L3674-1(line 3674) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_units_~unit~0#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,053 INFO L895 garLoopResultBuilder]: At program point L4963(line 4963) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,053 INFO L899 garLoopResultBuilder]: For program point L4963-1(line 4963) no Hoare annotation was computed. [2022-11-25 17:22:08,053 INFO L899 garLoopResultBuilder]: For program point L3774(lines 3774 3778) no Hoare annotation was computed. [2022-11-25 17:22:08,053 INFO L895 garLoopResultBuilder]: At program point L4864(lines 4800 4875) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,053 INFO L895 garLoopResultBuilder]: At program point L5657(lines 5656 5658) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,054 INFO L895 garLoopResultBuilder]: At program point L4898(lines 4880 4905) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,054 INFO L899 garLoopResultBuilder]: For program point L4832(lines 4832 4850) no Hoare annotation was computed. [2022-11-25 17:22:08,054 INFO L899 garLoopResultBuilder]: For program point L3709(lines 3709 3712) no Hoare annotation was computed. [2022-11-25 17:22:08,054 INFO L899 garLoopResultBuilder]: For program point L4436-1(lines 4436 4437) no Hoare annotation was computed. [2022-11-25 17:22:08,054 INFO L895 garLoopResultBuilder]: At program point L4436(lines 4436 4437) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,054 INFO L899 garLoopResultBuilder]: For program point L4932(lines 4932 5036) no Hoare annotation was computed. [2022-11-25 17:22:08,055 INFO L895 garLoopResultBuilder]: At program point L4833(line 4833) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,055 INFO L899 garLoopResultBuilder]: For program point L4833-1(line 4833) no Hoare annotation was computed. [2022-11-25 17:22:08,055 INFO L899 garLoopResultBuilder]: For program point L4999(line 4999) no Hoare annotation was computed. [2022-11-25 17:22:08,055 INFO L895 garLoopResultBuilder]: At program point L4867(lines 4800 4875) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,055 INFO L899 garLoopResultBuilder]: For program point L4933(line 4933) no Hoare annotation was computed. [2022-11-25 17:22:08,055 INFO L895 garLoopResultBuilder]: At program point L4900(lines 4880 4905) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,056 INFO L899 garLoopResultBuilder]: For program point L4801(lines 4801 4804) no Hoare annotation was computed. [2022-11-25 17:22:08,056 INFO L895 garLoopResultBuilder]: At program point L5660(lines 5659 5661) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,056 INFO L899 garLoopResultBuilder]: For program point L4438(lines 4438 4451) no Hoare annotation was computed. [2022-11-25 17:22:08,056 INFO L899 garLoopResultBuilder]: For program point L4934(lines 4934 4997) no Hoare annotation was computed. [2022-11-25 17:22:08,056 INFO L899 garLoopResultBuilder]: For program point L5000(lines 5000 5032) no Hoare annotation was computed. [2022-11-25 17:22:08,056 INFO L899 garLoopResultBuilder]: For program point L3679(lines 3679 3682) no Hoare annotation was computed. [2022-11-25 17:22:08,056 INFO L899 garLoopResultBuilder]: For program point L4439(lines 4439 4449) no Hoare annotation was computed. [2022-11-25 17:22:08,057 INFO L899 garLoopResultBuilder]: For program point L4472-1(line 4472) no Hoare annotation was computed. [2022-11-25 17:22:08,057 INFO L895 garLoopResultBuilder]: At program point L4472(line 4472) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,057 INFO L899 garLoopResultBuilder]: For program point L5034(line 5034) no Hoare annotation was computed. [2022-11-25 17:22:08,057 INFO L899 garLoopResultBuilder]: For program point L4968-1(line 4968) no Hoare annotation was computed. [2022-11-25 17:22:08,057 INFO L895 garLoopResultBuilder]: At program point L4968(line 4968) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,058 INFO L895 garLoopResultBuilder]: At program point L4869(lines 4800 4875) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,058 INFO L899 garLoopResultBuilder]: For program point L4440-1(line 4440) no Hoare annotation was computed. [2022-11-25 17:22:08,058 INFO L895 garLoopResultBuilder]: At program point L4440(line 4440) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,058 INFO L899 garLoopResultBuilder]: For program point L5002(lines 5002 5029) no Hoare annotation was computed. [2022-11-25 17:22:08,058 INFO L899 garLoopResultBuilder]: For program point L4936(lines 4936 4994) no Hoare annotation was computed. [2022-11-25 17:22:08,058 INFO L899 garLoopResultBuilder]: For program point L3780(line 3780) no Hoare annotation was computed. [2022-11-25 17:22:08,058 INFO L899 garLoopResultBuilder]: For program point L3780-2(lines 3780 3783) no Hoare annotation was computed. [2022-11-25 17:22:08,059 INFO L899 garLoopResultBuilder]: For program point L3780-3(lines 3780 3783) no Hoare annotation was computed. [2022-11-25 17:22:08,059 INFO L899 garLoopResultBuilder]: For program point L4441(lines 4441 4446) no Hoare annotation was computed. [2022-11-25 17:22:08,059 INFO L899 garLoopResultBuilder]: For program point L5003(line 5003) no Hoare annotation was computed. [2022-11-25 17:22:08,059 INFO L895 garLoopResultBuilder]: At program point L4871(lines 4800 4875) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,059 INFO L895 garLoopResultBuilder]: At program point L4838(line 4838) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,060 INFO L899 garLoopResultBuilder]: For program point L4937(line 4937) no Hoare annotation was computed. [2022-11-25 17:22:08,060 INFO L895 garLoopResultBuilder]: At program point L4904(lines 4877 4906) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,060 INFO L895 garLoopResultBuilder]: At program point L3781(line 3781) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-25 17:22:08,060 INFO L899 garLoopResultBuilder]: For program point L4838-1(line 4838) no Hoare annotation was computed. [2022-11-25 17:22:08,060 INFO L899 garLoopResultBuilder]: For program point L3715(lines 3715 3718) no Hoare annotation was computed. [2022-11-25 17:22:08,060 INFO L895 garLoopResultBuilder]: At program point L5598(lines 5591 5600) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_1~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~pf_drive_count~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,061 INFO L895 garLoopResultBuilder]: At program point L4475(lines 4409 4483) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,061 INFO L899 garLoopResultBuilder]: For program point L4938(lines 4938 4942) no Hoare annotation was computed. [2022-11-25 17:22:08,061 INFO L895 garLoopResultBuilder]: At program point L5037(lines 4925 5042) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,061 INFO L899 garLoopResultBuilder]: For program point L5004(lines 5004 5009) no Hoare annotation was computed. [2022-11-25 17:22:08,061 INFO L899 garLoopResultBuilder]: For program point L4938-2(lines 4936 4994) no Hoare annotation was computed. [2022-11-25 17:22:08,061 INFO L895 garLoopResultBuilder]: At program point L3716(line 3716) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-25 17:22:08,062 INFO L895 garLoopResultBuilder]: At program point L3683(lines 3657 3694) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_units_~unit~0#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,062 INFO L895 garLoopResultBuilder]: At program point L4939(line 4939) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,062 INFO L899 garLoopResultBuilder]: For program point L4939-1(line 4939) no Hoare annotation was computed. [2022-11-25 17:22:08,062 INFO L899 garLoopResultBuilder]: For program point L4807(lines 4807 4810) no Hoare annotation was computed. [2022-11-25 17:22:08,062 INFO L895 garLoopResultBuilder]: At program point L4477(lines 4409 4483) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,062 INFO L895 garLoopResultBuilder]: At program point L4874(lines 4794 4876) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,062 INFO L899 garLoopResultBuilder]: For program point L4973(line 4973) no Hoare annotation was computed. [2022-11-25 17:22:08,062 INFO L895 garLoopResultBuilder]: At program point L4841(lines 4832 4849) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,062 INFO L895 garLoopResultBuilder]: At program point L4445(line 4445) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,062 INFO L899 garLoopResultBuilder]: For program point L4445-1(line 4445) no Hoare annotation was computed. [2022-11-25 17:22:08,063 INFO L895 garLoopResultBuilder]: At program point L5139(line 5139) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,063 INFO L895 garLoopResultBuilder]: At program point L5139-1(line 5139) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-25 17:22:08,063 INFO L899 garLoopResultBuilder]: For program point L4974(lines 4974 4979) no Hoare annotation was computed. [2022-11-25 17:22:08,063 INFO L895 garLoopResultBuilder]: At program point L3785(lines 3769 3787) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,063 INFO L895 garLoopResultBuilder]: At program point L3686(lines 3657 3694) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,063 INFO L895 garLoopResultBuilder]: At program point L3719(lines 3699 3722) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-25 17:22:08,063 INFO L895 garLoopResultBuilder]: At program point L4479(lines 4409 4483) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,063 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 17:22:08,063 INFO L895 garLoopResultBuilder]: At program point L5107(line 5107) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,063 INFO L895 garLoopResultBuilder]: At program point L5107-1(line 5107) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-25 17:22:08,064 INFO L895 garLoopResultBuilder]: At program point L5140(lines 5136 5143) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-25 17:22:08,064 INFO L902 garLoopResultBuilder]: At program point L5041(lines 4921 5043) the Hoare annotation is: true [2022-11-25 17:22:08,064 INFO L895 garLoopResultBuilder]: At program point L4843(lines 4832 4849) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,064 INFO L899 garLoopResultBuilder]: For program point L4414(lines 4414 4462) no Hoare annotation was computed. [2022-11-25 17:22:08,064 INFO L895 garLoopResultBuilder]: At program point L5108(lines 5104 5111) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-25 17:22:08,064 INFO L895 garLoopResultBuilder]: At program point L3688(lines 3657 3694) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_units_~unit~0#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,064 INFO L895 garLoopResultBuilder]: At program point L3721(lines 3696 3723) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,065 INFO L899 garLoopResultBuilder]: For program point L5604(lines 5604 5607) no Hoare annotation was computed. [2022-11-25 17:22:08,065 INFO L895 garLoopResultBuilder]: At program point L4415(lines 4415 4416) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~pf_drive_count~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,065 INFO L899 garLoopResultBuilder]: For program point L4448-1(line 4448) no Hoare annotation was computed. [2022-11-25 17:22:08,065 INFO L899 garLoopResultBuilder]: For program point L4415-1(lines 4415 4416) no Hoare annotation was computed. [2022-11-25 17:22:08,065 INFO L895 garLoopResultBuilder]: At program point L4448(line 4448) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,065 INFO L899 garLoopResultBuilder]: For program point L4944-1(line 4944) no Hoare annotation was computed. [2022-11-25 17:22:08,065 INFO L895 garLoopResultBuilder]: At program point L4944(line 4944) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,066 INFO L895 garLoopResultBuilder]: At program point L4845(lines 4832 4849) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,066 INFO L895 garLoopResultBuilder]: At program point L5638(lines 5637 5639) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,066 INFO L895 garLoopResultBuilder]: At program point L4482(lines 4400 4484) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,066 INFO L899 garLoopResultBuilder]: For program point L5011(line 5011) no Hoare annotation was computed. [2022-11-25 17:22:08,066 INFO L895 garLoopResultBuilder]: At program point L3690(lines 3652 3695) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,066 INFO L899 garLoopResultBuilder]: For program point L4813(lines 4813 4830) no Hoare annotation was computed. [2022-11-25 17:22:08,066 INFO L895 garLoopResultBuilder]: At program point L5606(line 5606) the Hoare annotation is: false [2022-11-25 17:22:08,067 INFO L899 garLoopResultBuilder]: For program point L5606-1(lines 5603 5621) no Hoare annotation was computed. [2022-11-25 17:22:08,067 INFO L899 garLoopResultBuilder]: For program point L4417(lines 4417 4426) no Hoare annotation was computed. [2022-11-25 17:22:08,067 INFO L899 garLoopResultBuilder]: For program point L5012(lines 5012 5025) no Hoare annotation was computed. [2022-11-25 17:22:08,067 INFO L895 garLoopResultBuilder]: At program point L4418(line 4418) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~pf_drive_count~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,067 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 17:22:08,067 INFO L899 garLoopResultBuilder]: For program point L4418-1(line 4418) no Hoare annotation was computed. [2022-11-25 17:22:08,068 INFO L895 garLoopResultBuilder]: At program point L4881(line 4881) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,068 INFO L899 garLoopResultBuilder]: For program point L4881-1(line 4881) no Hoare annotation was computed. [2022-11-25 17:22:08,068 INFO L895 garLoopResultBuilder]: At program point L5641(lines 5640 5642) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,068 INFO L899 garLoopResultBuilder]: For program point L4419(line 4419) no Hoare annotation was computed. [2022-11-25 17:22:08,068 INFO L895 garLoopResultBuilder]: At program point L4452(lines 4427 4462) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,068 INFO L899 garLoopResultBuilder]: For program point L4419-2(lines 4419 4424) no Hoare annotation was computed. [2022-11-25 17:22:08,068 INFO L899 garLoopResultBuilder]: For program point L5014(lines 5014 5018) no Hoare annotation was computed. [2022-11-25 17:22:08,068 INFO L899 garLoopResultBuilder]: For program point L4981(line 4981) no Hoare annotation was computed. [2022-11-25 17:22:08,068 INFO L899 garLoopResultBuilder]: For program point L5014-2(lines 5012 5024) no Hoare annotation was computed. [2022-11-25 17:22:08,069 INFO L895 garLoopResultBuilder]: At program point L5147(line 5147) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-25 17:22:08,069 INFO L895 garLoopResultBuilder]: At program point L5147-1(line 5147) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,069 INFO L899 garLoopResultBuilder]: For program point L4982(lines 4982 4990) no Hoare annotation was computed. [2022-11-25 17:22:08,069 INFO L899 garLoopResultBuilder]: For program point L4949(line 4949) no Hoare annotation was computed. [2022-11-25 17:22:08,069 INFO L895 garLoopResultBuilder]: At program point L5610(line 5610) the Hoare annotation is: false [2022-11-25 17:22:08,069 INFO L899 garLoopResultBuilder]: For program point L5610-1(lines 5603 5621) no Hoare annotation was computed. [2022-11-25 17:22:08,069 INFO L895 garLoopResultBuilder]: At program point L5115(line 5115) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-25 17:22:08,069 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 17:22:08,069 INFO L895 garLoopResultBuilder]: At program point L5115-1(line 5115) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,069 INFO L895 garLoopResultBuilder]: At program point L5148(lines 5144 5151) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,069 INFO L899 garLoopResultBuilder]: For program point L4950(lines 4950 4954) no Hoare annotation was computed. [2022-11-25 17:22:08,070 INFO L895 garLoopResultBuilder]: At program point L4818(line 4818) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,070 INFO L899 garLoopResultBuilder]: For program point L4950-2(lines 4936 4994) no Hoare annotation was computed. [2022-11-25 17:22:08,070 INFO L895 garLoopResultBuilder]: At program point L5710(lines 5709 5711) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,070 INFO L899 garLoopResultBuilder]: For program point L4818-1(line 4818) no Hoare annotation was computed. [2022-11-25 17:22:08,070 INFO L895 garLoopResultBuilder]: At program point L4455(lines 4427 4462) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,070 INFO L895 garLoopResultBuilder]: At program point L5116(lines 5112 5119) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,070 INFO L895 garLoopResultBuilder]: At program point L4951(line 4951) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,070 INFO L899 garLoopResultBuilder]: For program point L4951-1(line 4951) no Hoare annotation was computed. [2022-11-25 17:22:08,070 INFO L899 garLoopResultBuilder]: For program point L4984(lines 4984 4988) no Hoare annotation was computed. [2022-11-25 17:22:08,070 INFO L895 garLoopResultBuilder]: At program point L4423(line 4423) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~pf_drive_count~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,071 INFO L899 garLoopResultBuilder]: For program point L4423-1(line 4423) no Hoare annotation was computed. [2022-11-25 17:22:08,071 INFO L899 garLoopResultBuilder]: For program point L4886(lines 4886 4889) no Hoare annotation was computed. [2022-11-25 17:22:08,071 INFO L895 garLoopResultBuilder]: At program point L4457(lines 4427 4462) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,071 INFO L895 garLoopResultBuilder]: At program point L4821(lines 4813 4829) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,071 INFO L899 garLoopResultBuilder]: For program point L3665(lines 3665 3668) no Hoare annotation was computed. [2022-11-25 17:22:08,071 INFO L895 garLoopResultBuilder]: At program point L5614(line 5614) the Hoare annotation is: false [2022-11-25 17:22:08,071 INFO L899 garLoopResultBuilder]: For program point L5614-1(lines 5603 5621) no Hoare annotation was computed. [2022-11-25 17:22:08,071 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 17:22:08,071 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-11-25 17:22:08,072 INFO L895 garLoopResultBuilder]: At program point L-1-4(line -1) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_units_~unit~0#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,072 INFO L899 garLoopResultBuilder]: For program point L-1-5(line -1) no Hoare annotation was computed. [2022-11-25 17:22:08,072 INFO L895 garLoopResultBuilder]: At program point L4459(lines 4409 4483) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,072 INFO L895 garLoopResultBuilder]: At program point L5021(lines 4925 5042) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,072 INFO L895 garLoopResultBuilder]: At program point L4823(lines 4813 4829) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,072 INFO L899 garLoopResultBuilder]: For program point L4956-1(line 4956) no Hoare annotation was computed. [2022-11-25 17:22:08,072 INFO L895 garLoopResultBuilder]: At program point L4956(line 4956) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,072 INFO L899 garLoopResultBuilder]: For program point L4857(lines 4857 4860) no Hoare annotation was computed. [2022-11-25 17:22:08,072 INFO L895 garLoopResultBuilder]: At program point L5155(line 5155) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-25 17:22:08,073 INFO L895 garLoopResultBuilder]: At program point L5155-1(line 5155) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-25 17:22:08,073 INFO L899 garLoopResultBuilder]: For program point L4191-1(lines 4191 4194) no Hoare annotation was computed. [2022-11-25 17:22:08,073 INFO L899 garLoopResultBuilder]: For program point xsFINAL(lines 4163 4198) no Hoare annotation was computed. [2022-11-25 17:22:08,073 INFO L895 garLoopResultBuilder]: At program point xsENTRY(lines 4163 4198) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) (not (<= ~ldv_state_variable_1~0 1)) .cse5))) [2022-11-25 17:22:08,073 INFO L899 garLoopResultBuilder]: For program point L4175(line 4175) no Hoare annotation was computed. [2022-11-25 17:22:08,073 INFO L899 garLoopResultBuilder]: For program point L4175-2(lines 4175 4182) no Hoare annotation was computed. [2022-11-25 17:22:08,073 INFO L899 garLoopResultBuilder]: For program point L4175-4(lines 4175 4182) no Hoare annotation was computed. [2022-11-25 17:22:08,073 INFO L902 garLoopResultBuilder]: At program point L4188(lines 4169 4197) the Hoare annotation is: true [2022-11-25 17:22:08,073 INFO L902 garLoopResultBuilder]: At program point L4186(lines 4169 4197) the Hoare annotation is: true [2022-11-25 17:22:08,074 INFO L899 garLoopResultBuilder]: For program point xsEXIT(lines 4163 4198) no Hoare annotation was computed. [2022-11-25 17:22:08,074 INFO L902 garLoopResultBuilder]: At program point L4184(lines 4169 4197) the Hoare annotation is: true [2022-11-25 17:22:08,074 INFO L899 garLoopResultBuilder]: For program point pf_ioctlEXIT(lines 3750 3768) no Hoare annotation was computed. [2022-11-25 17:22:08,074 INFO L895 garLoopResultBuilder]: At program point pf_ioctlENTRY(lines 3750 3768) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~ldv_mutex_pf_mutex~0)| ~ldv_mutex_pf_mutex~0)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-25 17:22:08,074 INFO L899 garLoopResultBuilder]: For program point pf_ioctlFINAL(lines 3750 3768) no Hoare annotation was computed. [2022-11-25 17:22:08,074 INFO L899 garLoopResultBuilder]: For program point L4050(line 4050) no Hoare annotation was computed. [2022-11-25 17:22:08,075 INFO L895 garLoopResultBuilder]: At program point L4051(lines 4034 4053) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_pf_mutex~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-25 17:22:08,075 INFO L895 garLoopResultBuilder]: At program point L4049-1(line 4049) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_pf_mutex~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-25 17:22:08,075 INFO L895 garLoopResultBuilder]: At program point L4049(line 4049) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_pf_mutex~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-25 17:22:08,075 INFO L899 garLoopResultBuilder]: For program point L3759(lines 3759 3762) no Hoare annotation was computed. [2022-11-25 17:22:08,075 INFO L895 garLoopResultBuilder]: At program point L5131(line 5131) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_pf_mutex~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-25 17:22:08,075 INFO L895 garLoopResultBuilder]: At program point L5131-1(line 5131) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (= ~ldv_mutex_pf_mutex~0 1) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-25 17:22:08,076 INFO L899 garLoopResultBuilder]: For program point L3755(lines 3755 3758) no Hoare annotation was computed. [2022-11-25 17:22:08,076 INFO L895 garLoopResultBuilder]: At program point L5132(lines 5128 5135) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (= ~ldv_mutex_pf_mutex~0 1) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-25 17:22:08,076 INFO L895 garLoopResultBuilder]: At program point L5123(line 5123) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~ldv_mutex_pf_mutex~0)| ~ldv_mutex_pf_mutex~0)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-25 17:22:08,076 INFO L895 garLoopResultBuilder]: At program point L5123-1(line 5123) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (and (= |old(#length)| |#length|) (= 2 ~ldv_mutex_pf_mutex~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-25 17:22:08,076 INFO L895 garLoopResultBuilder]: At program point L5124(lines 5120 5127) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (and (= |old(#length)| |#length|) (= 2 ~ldv_mutex_pf_mutex~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-25 17:22:08,080 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:22:08,082 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:22:08,104 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,113 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,113 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,114 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,115 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,126 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,126 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,126 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,128 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,128 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,128 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,129 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,129 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,129 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,129 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,129 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,130 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,130 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,131 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,131 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,131 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,131 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,132 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,132 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:22:08 BoogieIcfgContainer [2022-11-25 17:22:08,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:22:08,173 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:22:08,173 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:22:08,173 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:22:08,174 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:18:34" (3/4) ... [2022-11-25 17:22:08,178 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:22:08,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_pf_mutex [2022-11-25 17:22:08,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2022-11-25 17:22:08,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_check_events [2022-11-25 17:22:08,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2022-11-25 17:22:08,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_getgeo [2022-11-25 17:22:08,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure unregister_blkdev [2022-11-25 17:22:08,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2022-11-25 17:22:08,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2022-11-25 17:22:08,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2022-11-25 17:22:08,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2022-11-25 17:22:08,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2022-11-25 17:22:08,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_pf_mutex [2022-11-25 17:22:08,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2022-11-25 17:22:08,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-25 17:22:08,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2022-11-25 17:22:08,187 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure put_disk [2022-11-25 17:22:08,187 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_atapi [2022-11-25 17:22:08,187 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure get_capacity [2022-11-25 17:22:08,187 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_reset [2022-11-25 17:22:08,187 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_command [2022-11-25 17:22:08,187 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_probe [2022-11-25 17:22:08,187 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_block [2022-11-25 17:22:08,187 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure set_capacity [2022-11-25 17:22:08,188 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_lock [2022-11-25 17:22:08,188 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_wait [2022-11-25 17:22:08,188 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2022-11-25 17:22:08,188 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_identify [2022-11-25 17:22:08,188 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_sleep [2022-11-25 17:22:08,188 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_req_sense [2022-11-25 17:22:08,188 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_mode_sense [2022-11-25 17:22:08,188 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-25 17:22:08,189 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_completion [2022-11-25 17:22:08,189 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xl [2022-11-25 17:22:08,189 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2022-11-25 17:22:08,189 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2022-11-25 17:22:08,189 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_ioctl [2022-11-25 17:22:08,190 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2022-11-25 17:22:08,220 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 206 nodes and edges [2022-11-25 17:22:08,222 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2022-11-25 17:22:08,224 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-25 17:22:08,226 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-25 17:22:08,229 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 17:22:08,231 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 17:22:08,233 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:22:08,279 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(ldv_mutex_lock == 1) || (((((\old(unknown-#length-unknown) == unknown-#length-unknown && 2 == ldv_mutex_pf_mutex) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(\old(ldv_mutex_pf_mutex) == 1)) || !(ldv_retval_pf_init == 0) [2022-11-25 17:22:08,280 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(\old(ldv_mutex_pf_mutex) == 1)) || ldv_mutex_pf_mutex == 1) || !(ldv_retval_pf_init == 0) [2022-11-25 17:22:08,281 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(ldv_mutex_lock == 1) || 2 == ldv_mutex_pf_mutex) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(\old(ldv_mutex_pf_mutex) == 1)) || !(ldv_retval_pf_init == 0) [2022-11-25 17:22:08,282 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) || ((((\old(unknown-#length-unknown) == unknown-#length-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) && (((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) || ((((\old(unknown-#length-unknown) == unknown-#length-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) [2022-11-25 17:22:08,282 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && ((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) [2022-11-25 17:22:08,283 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && ((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) [2022-11-25 17:22:08,283 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && ((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) [2022-11-25 17:22:08,425 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:22:08,425 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:22:08,426 INFO L158 Benchmark]: Toolchain (without parser) took 221254.71ms. Allocated memory was 157.3MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 117.2MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 153.0MB. Max. memory is 16.1GB. [2022-11-25 17:22:08,426 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 157.3MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:22:08,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2074.04ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 116.7MB in the beginning and 94.8MB in the end (delta: 21.9MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. [2022-11-25 17:22:08,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.20ms. Allocated memory is still 188.7MB. Free memory was 94.8MB in the beginning and 86.5MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 17:22:08,430 INFO L158 Benchmark]: Boogie Preprocessor took 234.90ms. Allocated memory is still 188.7MB. Free memory was 86.5MB in the beginning and 132.1MB in the end (delta: -45.7MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2022-11-25 17:22:08,430 INFO L158 Benchmark]: RCFGBuilder took 4686.35ms. Allocated memory was 188.7MB in the beginning and 243.3MB in the end (delta: 54.5MB). Free memory was 132.1MB in the beginning and 145.6MB in the end (delta: -13.5MB). Peak memory consumption was 105.0MB. Max. memory is 16.1GB. [2022-11-25 17:22:08,432 INFO L158 Benchmark]: TraceAbstraction took 213855.44ms. Allocated memory was 243.3MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 144.5MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2022-11-25 17:22:08,432 INFO L158 Benchmark]: Witness Printer took 252.59ms. Allocated memory is still 2.4GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-25 17:22:08,441 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 157.3MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2074.04ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 116.7MB in the beginning and 94.8MB in the end (delta: 21.9MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 142.20ms. Allocated memory is still 188.7MB. Free memory was 94.8MB in the beginning and 86.5MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 234.90ms. Allocated memory is still 188.7MB. Free memory was 86.5MB in the beginning and 132.1MB in the end (delta: -45.7MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4686.35ms. Allocated memory was 188.7MB in the beginning and 243.3MB in the end (delta: 54.5MB). Free memory was 132.1MB in the beginning and 145.6MB in the end (delta: -13.5MB). Peak memory consumption was 105.0MB. Max. memory is 16.1GB. * TraceAbstraction took 213855.44ms. Allocated memory was 243.3MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 144.5MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Witness Printer took 252.59ms. Allocated memory is still 2.4GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 5165]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 516 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 213.7s, OverallIterations: 27, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 112.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 46.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12540 SdHoareTripleChecker+Valid, 101.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12217 mSDsluCounter, 35079 SdHoareTripleChecker+Invalid, 98.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19068 mSDsCounter, 3135 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21232 IncrementalHoareTripleChecker+Invalid, 24367 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3135 mSolverCounterUnsat, 16011 mSDtfsCounter, 21232 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6918 GetRequests, 6720 SyntacticMatches, 4 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5360occurred in iteration=26, InterpolantAutomatonStates: 153, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.3s AutomataMinimizationTime, 27 MinimizatonAttempts, 3529 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 226 LocationsWithAnnotation, 54548 PreInvPairs, 58172 NumberOfFragments, 4795 HoareAnnotationTreeSize, 54548 FomulaSimplifications, 42054 FormulaSimplificationTreeSizeReduction, 25.5s HoareSimplificationTime, 226 FomulaSimplificationsInter, 416883 FormulaSimplificationTreeSizeReductionInter, 20.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.9s SsaConstructionTime, 6.8s SatisfiabilityAnalysisTime, 23.5s InterpolantComputationTime, 8235 NumberOfCodeBlocks, 8235 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 10049 ConstructedInterpolants, 0 QuantifiedInterpolants, 12181 SizeOfPredicates, 2 NumberOfNonLiveVariables, 42458 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 54 InterpolantComputations, 21 PerfectInterpolantSequences, 10558/10838 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5136]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && 2 == ldv_mutex_pf_mutex) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0 - InvariantResult [Line: 4813]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4337]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4921]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4813]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5640]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4409]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3657]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4400]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4427]: Loop Invariant Derived loop invariant: ((((((unit <= 3 && ldv_state_variable_0 == 1) && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3769]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5120]: Loop Invariant [2022-11-25 17:22:08,459 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,459 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,460 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,460 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,465 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,465 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,465 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,466 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: (((((!(ldv_mutex_lock == 1) || (((((\old(unknown-#length-unknown) == unknown-#length-unknown && 2 == ldv_mutex_pf_mutex) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(\old(ldv_mutex_pf_mutex) == 1)) || !(ldv_retval_pf_init == 0) - InvariantResult [Line: 4112]: Loop Invariant Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) || i <= 4 - InvariantResult [Line: 3979]: Loop Invariant [2022-11-25 17:22:08,466 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,467 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,467 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,467 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,468 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,468 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,468 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,468 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,469 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,469 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,469 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,470 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,470 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,470 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-25 17:22:08,470 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-25 17:22:08,470 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) || ((((\old(unknown-#length-unknown) == unknown-#length-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) && (((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) || ((((\old(unknown-#length-unknown) == unknown-#length-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) - InvariantResult [Line: 4332]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3652]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3674]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5659]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4800]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3696]: Loop Invariant Derived loop invariant: (((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_state_variable_1 <= 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5653]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4832]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3983]: Loop Invariant Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && (((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) - InvariantResult [Line: 4169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4427]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5104]: Loop Invariant Derived loop invariant: (((((1 == ldv_mutex_mutex_of_device && 2 == ldv_mutex_pf_mutex) && disable == 0) && ldv_mutex_lock == 1) && ldv_state_variable_1 <= 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0 - InvariantResult [Line: 4880]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3822]: Loop Invariant Derived loop invariant: (((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && ((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) - InvariantResult [Line: 3657]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4832]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4332]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4369]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4880]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5637]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4832]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4925]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4800]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4341]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4880]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4332]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4877]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4409]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && 0 == k) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3948]: Loop Invariant Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && (((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) - InvariantResult [Line: 4800]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4880]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4427]: Loop Invariant Derived loop invariant: ((((((unit <= 3 && ldv_state_variable_0 == 1) && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3657]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3983]: Loop Invariant Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && (((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) - InvariantResult [Line: 5112]: Loop Invariant Derived loop invariant: (((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_state_variable_1 <= 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5128]: Loop Invariant Derived loop invariant: (((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(\old(ldv_mutex_pf_mutex) == 1)) || ldv_mutex_pf_mutex == 1) || !(ldv_retval_pf_init == 0) - InvariantResult [Line: 4409]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && 0 == k) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3822]: Loop Invariant Derived loop invariant: (((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && ((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) - InvariantResult [Line: 5144]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3822]: Loop Invariant Derived loop invariant: (((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && ((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) - InvariantResult [Line: 5152]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5656]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4925]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3932]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4034]: Loop Invariant Derived loop invariant: (((((!(ldv_mutex_lock == 1) || 2 == ldv_mutex_pf_mutex) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(\old(ldv_mutex_pf_mutex) == 1)) || !(ldv_retval_pf_init == 0) - InvariantResult [Line: 5591]: Loop Invariant Derived loop invariant: ((((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_state_variable_1 == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && pf_drive_count == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4341]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3948]: Loop Invariant Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && (((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) - InvariantResult [Line: 4813]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4409]: Loop Invariant Derived loop invariant: (((((((unit <= 3 && ldv_state_variable_0 == 1) && 1 == ldv_mutex_mutex_of_device) && disable == 0) && 0 == k) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4070]: Loop Invariant Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) || i <= 4 - InvariantResult [Line: 4369]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5709]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3699]: Loop Invariant Derived loop invariant: (((((1 == ldv_mutex_mutex_of_device && 2 == ldv_mutex_pf_mutex) && disable == 0) && ldv_mutex_lock == 1) && ldv_state_variable_1 <= 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0 - InvariantResult [Line: 4202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4800]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4794]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 17:22:08,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639e6be8-4ca1-442a-a114-f6d16ca04c57/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE