./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fcc9c58d9e7d331b03ac2a1d31f7075375278be740d6cb0fb532894b4718ca6e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:30:46,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:30:46,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:30:46,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:30:46,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:30:46,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:30:46,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:30:46,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:30:46,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:30:46,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:30:46,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:30:46,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:30:46,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:30:46,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:30:46,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:30:46,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:30:46,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:30:46,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:30:46,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:30:46,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:30:46,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:30:46,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:30:46,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:30:46,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:30:46,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:30:46,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:30:46,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:30:46,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:30:46,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:30:46,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:30:46,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:30:46,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:30:46,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:30:46,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:30:46,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:30:46,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:30:46,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:30:46,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:30:46,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:30:46,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:30:46,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:30:46,452 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:30:46,486 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:30:46,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:30:46,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:30:46,489 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:30:46,489 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:30:46,489 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:30:46,490 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:30:46,490 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:30:46,496 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:30:46,497 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:30:46,498 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:30:46,498 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:30:46,499 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:30:46,499 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:30:46,499 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:30:46,500 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:30:46,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:30:46,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:30:46,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:30:46,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:30:46,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:30:46,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:30:46,502 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:30:46,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:30:46,503 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:30:46,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:30:46,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:30:46,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:30:46,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:30:46,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:30:46,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:30:46,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:30:46,506 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:30:46,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:30:46,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:30:46,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:30:46,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:30:46,507 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcc9c58d9e7d331b03ac2a1d31f7075375278be740d6cb0fb532894b4718ca6e [2021-11-19 13:30:46,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:30:46,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:30:46,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:30:46,838 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:30:46,839 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:30:46,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-19 13:30:46,914 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/data/73fa9ddb5/def1c33836d14efcaffae55f3ed9c05d/FLAGbf100620d [2021-11-19 13:30:48,378 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:30:48,379 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-19 13:30:48,611 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/data/73fa9ddb5/def1c33836d14efcaffae55f3ed9c05d/FLAGbf100620d [2021-11-19 13:30:48,763 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/data/73fa9ddb5/def1c33836d14efcaffae55f3ed9c05d [2021-11-19 13:30:48,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:30:48,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:30:48,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:30:48,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:30:48,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:30:48,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:30:48" (1/1) ... [2021-11-19 13:30:48,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d1de9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:30:48, skipping insertion in model container [2021-11-19 13:30:48,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:30:48" (1/1) ... [2021-11-19 13:30:48,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:30:49,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:30:51,842 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,337 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,349 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,528 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,535 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,537 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,557 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,562 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,619 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,659 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,661 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,676 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,688 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,727 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,728 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,729 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,740 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,756 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,757 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,758 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,780 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,790 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,791 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,792 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,802 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,806 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,807 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,810 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,811 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,812 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:52,927 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,014 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,016 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,036 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,041 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,123 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,129 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,185 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,199 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,201 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,203 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,238 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,283 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,283 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,284 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,284 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,285 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,285 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,290 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,292 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,293 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,294 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,299 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,301 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,435 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,590 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,617 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,635 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:53,697 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:54,139 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:54,150 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:54,161 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:54,302 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:54,395 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:54,652 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:54,939 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:54,940 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:54,956 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:54,961 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:54,961 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:54,962 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:54,972 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:54,973 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:54,974 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:54,974 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,017 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,018 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,029 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,030 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,041 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,042 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,065 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,066 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,066 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,067 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,163 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,177 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,204 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,204 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,247 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,247 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,251 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,252 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,263 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,263 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,264 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,275 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,276 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,277 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,288 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,289 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,313 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,314 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,325 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,325 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,337 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,338 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,361 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,398 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,424 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,424 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,472 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,474 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,481 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,483 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,485 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,496 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,509 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,510 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,523 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,524 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,537 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,538 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,551 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,583 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,584 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,595 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,596 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,596 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,606 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,618 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,629 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,641 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,652 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,653 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,653 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,654 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,654 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,677 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,678 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,679 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,680 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,691 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,703 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,704 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,715 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,717 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,728 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,730 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,732 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,733 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,734 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,746 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,747 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,747 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,748 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,749 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,760 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,783 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,784 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,860 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,861 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,862 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,864 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,875 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,875 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,878 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,916 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,943 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,955 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,956 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,967 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,968 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,969 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,986 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:55,999 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,000 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,002 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,017 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,018 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,031 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,054 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,068 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,080 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,116 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,142 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,143 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,163 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,173 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,174 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,176 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,190 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,214 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,226 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,237 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,238 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,249 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,250 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,271 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,295 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,308 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,310 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,322 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,323 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,345 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,357 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,369 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,370 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,371 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,439 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,440 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,441 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,459 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,470 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,471 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,494 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,494 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,495 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,495 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,495 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,498 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,498 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,499 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,499 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,500 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,500 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,501 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,525 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,530 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,532 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,535 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,537 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,537 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,538 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,550 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,551 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,562 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,563 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,574 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,575 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,575 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,576 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,576 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,577 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,577 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,577 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,578 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,590 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,591 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,602 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,603 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,604 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,614 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,615 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,616 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,627 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,628 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,640 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,657 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,658 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,669 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,669 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,681 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,682 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,694 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,694 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,706 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,706 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,717 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:56,718 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,064 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,177 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,211 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,225 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,226 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,228 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,229 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,275 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,275 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,276 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,276 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,287 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,288 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,288 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,289 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,289 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,302 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,304 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,305 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,307 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,308 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,308 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,308 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,309 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,310 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,310 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,311 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,312 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,312 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,356 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,357 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,359 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,360 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,372 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,384 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,396 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,409 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,410 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,413 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,413 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,423 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,435 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,436 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,438 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,452 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,453 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,467 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,471 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,474 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,652 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,765 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,808 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,809 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,820 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,821 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,822 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,824 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,826 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,826 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,839 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,840 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,851 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,851 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,874 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,874 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,886 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,887 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,900 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,901 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,905 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,906 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,907 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,908 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,909 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,910 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,910 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,958 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,981 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,982 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,993 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:57,994 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,033 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,036 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,079 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,080 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,105 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,113 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,115 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,127 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,151 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,183 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,184 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,196 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,196 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,207 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,207 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,218 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,219 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,229 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,230 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,241 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,242 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,293 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,293 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,301 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,302 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,310 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,311 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,321 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,322 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,330 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,331 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,340 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,341 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,349 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,349 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,358 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,359 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,367 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,368 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,377 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,377 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,386 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,386 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,397 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,397 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,407 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,407 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,416 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,417 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,417 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,428 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,429 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,429 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,441 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,441 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,452 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,453 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,463 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,463 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,474 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,475 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,491 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,491 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,502 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,502 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,504 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,505 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:30:58,527 WARN L230 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_0b18c929-ba2e-4877-8659-60cc445900a1/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i[890446,890459] [2021-11-19 13:30:58,759 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:30:58,804 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 13:30:58,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6bf23491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:30:58, skipping insertion in model container [2021-11-19 13:30:58,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:30:58,805 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:30:58,807 INFO L158 Benchmark]: Toolchain (without parser) took 10035.88ms. Allocated memory was 125.8MB in the beginning and 251.7MB in the end (delta: 125.8MB). Free memory was 83.1MB in the beginning and 138.8MB in the end (delta: -55.7MB). Peak memory consumption was 144.2MB. Max. memory is 16.1GB. [2021-11-19 13:30:58,808 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 68.3MB in the beginning and 68.2MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:30:58,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 10031.61ms. Allocated memory was 125.8MB in the beginning and 251.7MB in the end (delta: 125.8MB). Free memory was 82.7MB in the beginning and 138.8MB in the end (delta: -56.1MB). Peak memory consumption was 144.2MB. Max. memory is 16.1GB. [2021-11-19 13:30:58,811 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 68.3MB in the beginning and 68.2MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 10031.61ms. Allocated memory was 125.8MB in the beginning and 251.7MB in the end (delta: 125.8MB). Free memory was 82.7MB in the beginning and 138.8MB in the end (delta: -56.1MB). Peak memory consumption was 144.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6442]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fcc9c58d9e7d331b03ac2a1d31f7075375278be740d6cb0fb532894b4718ca6e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:31:01,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:31:01,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:31:01,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:31:01,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:31:01,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:31:01,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:31:01,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:31:01,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:31:01,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:31:01,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:31:01,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:31:01,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:31:01,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:31:01,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:31:01,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:31:01,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:31:01,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:31:01,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:31:01,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:31:01,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:31:01,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:31:01,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:31:01,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:31:01,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:31:01,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:31:01,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:31:01,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:31:01,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:31:01,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:31:01,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:31:01,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:31:01,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:31:01,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:31:01,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:31:01,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:31:01,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:31:01,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:31:01,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:31:01,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:31:01,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:31:01,309 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:31:01,357 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:31:01,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:31:01,359 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:31:01,359 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:31:01,359 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:31:01,359 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:31:01,360 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:31:01,360 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:31:01,360 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:31:01,360 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:31:01,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:31:01,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:31:01,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:31:01,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:31:01,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:31:01,364 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:31:01,364 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:31:01,365 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:31:01,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:31:01,365 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:31:01,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:31:01,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:31:01,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:31:01,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:31:01,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:31:01,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:31:01,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:31:01,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:31:01,367 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:31:01,367 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:31:01,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:31:01,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:31:01,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:31:01,368 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcc9c58d9e7d331b03ac2a1d31f7075375278be740d6cb0fb532894b4718ca6e [2021-11-19 13:31:01,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:31:01,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:31:01,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:31:01,797 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:31:01,798 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:31:01,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-19 13:31:01,882 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/data/1e8f58bee/f57c540e452c4074b47209a7fb51a67a/FLAG270e7dec1 [2021-11-19 13:31:03,412 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:31:03,413 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-19 13:31:03,517 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/data/1e8f58bee/f57c540e452c4074b47209a7fb51a67a/FLAG270e7dec1 [2021-11-19 13:31:03,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/data/1e8f58bee/f57c540e452c4074b47209a7fb51a67a [2021-11-19 13:31:03,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:31:03,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:31:03,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:31:03,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:31:03,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:31:03,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:31:03" (1/1) ... [2021-11-19 13:31:03,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2327a465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:03, skipping insertion in model container [2021-11-19 13:31:03,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:31:03" (1/1) ... [2021-11-19 13:31:03,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:31:04,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:31:07,886 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:31:07,894 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:31:13,505 WARN L230 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_0b18c929-ba2e-4877-8659-60cc445900a1/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i[890446,890459] [2021-11-19 13:31:13,733 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:31:13,831 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:31:13,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:31:15,102 WARN L230 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_0b18c929-ba2e-4877-8659-60cc445900a1/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i[890446,890459] [2021-11-19 13:31:15,117 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:31:15,150 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:31:16,314 WARN L230 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_0b18c929-ba2e-4877-8659-60cc445900a1/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i[890446,890459] [2021-11-19 13:31:16,327 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:31:16,720 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:31:16,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:16 WrapperNode [2021-11-19 13:31:16,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:31:16,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:31:16,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:31:16,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:31:16,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:16" (1/1) ... [2021-11-19 13:31:17,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:16" (1/1) ... [2021-11-19 13:31:17,484 INFO L137 Inliner]: procedures = 772, calls = 11058, calls flagged for inlining = 310, calls inlined = 146, statements flattened = 13351 [2021-11-19 13:31:17,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:31:17,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:31:17,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:31:17,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:31:17,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:16" (1/1) ... [2021-11-19 13:31:17,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:16" (1/1) ... [2021-11-19 13:31:17,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:16" (1/1) ... [2021-11-19 13:31:17,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:16" (1/1) ... [2021-11-19 13:31:18,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:16" (1/1) ... [2021-11-19 13:31:18,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:16" (1/1) ... [2021-11-19 13:31:18,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:16" (1/1) ... [2021-11-19 13:31:18,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:31:18,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:31:18,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:31:18,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:31:18,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:16" (1/1) ... [2021-11-19 13:31:18,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:31:18,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:31:18,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:31:18,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:31:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_expander_remove [2021-11-19 13:31:18,545 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_expander_remove [2021-11-19 13:31:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_state [2021-11-19 13:31:18,546 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_state [2021-11-19 13:31:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_init_warpdrive_properties [2021-11-19 13:31:18,546 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_init_warpdrive_properties [2021-11-19 13:31:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure _base_handshake_req_reply_wait [2021-11-19 13:31:18,546 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_handshake_req_reply_wait [2021-11-19 13:31:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure _base_writeq [2021-11-19 13:31:18,547 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_writeq [2021-11-19 13:31:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_topology_change_event [2021-11-19 13:31:18,547 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_topology_change_event [2021-11-19 13:31:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-11-19 13:31:18,547 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-11-19 13:31:18,548 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_free [2021-11-19 13:31:18,548 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_free [2021-11-19 13:31:18,548 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-19 13:31:18,548 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-19 13:31:18,548 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-19 13:31:18,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-19 13:31:18,549 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_do_mpt_command [2021-11-19 13:31:18,549 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_do_mpt_command [2021-11-19 13:31:18,549 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_add [2021-11-19 13:31:18,549 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_add [2021-11-19 13:31:18,549 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_pds [2021-11-19 13:31:18,549 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_pds [2021-11-19 13:31:18,550 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_start [2021-11-19 13:31:18,550 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_start [2021-11-19 13:31:18,550 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_add [2021-11-19 13:31:18,550 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_add [2021-11-19 13:31:18,550 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_slave_destroy [2021-11-19 13:31:18,550 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_slave_destroy [2021-11-19 13:31:18,551 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2021-11-19 13:31:18,551 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2021-11-19 13:31:18,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 13:31:18,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 13:31:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_shutdown [2021-11-19 13:31:18,552 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_shutdown [2021-11-19 13:31:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 13:31:18,553 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 13:31:18,553 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-19 13:31:18,553 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-19 13:31:18,553 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_add [2021-11-19 13:31:18,553 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_add [2021-11-19 13:31:18,554 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_device [2021-11-19 13:31:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_device [2021-11-19 13:31:18,554 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_wwid [2021-11-19 13:31:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_wwid [2021-11-19 13:31:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_target [2021-11-19 13:31:18,556 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_target [2021-11-19 13:31:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 13:31:18,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 13:31:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_shutdown [2021-11-19 13:31:18,557 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_shutdown [2021-11-19 13:31:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure _base_free_irq [2021-11-19 13:31:18,557 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_free_irq [2021-11-19 13:31:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_display_some_debug [2021-11-19 13:31:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_display_some_debug [2021-11-19 13:31:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 13:31:18,559 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 13:31:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_ack [2021-11-19 13:31:18,559 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_ack [2021-11-19 13:31:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-19 13:31:18,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-19 13:31:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg0 [2021-11-19 13:31:18,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg0 [2021-11-19 13:31:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_device [2021-11-19 13:31:18,561 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_device [2021-11-19 13:31:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_detach [2021-11-19 13:31:18,561 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_detach [2021-11-19 13:31:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg10 [2021-11-19 13:31:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg10 [2021-11-19 13:31:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-19 13:31:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-19 13:31:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_lookup_get_clear [2021-11-19 13:31:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_lookup_get_clear [2021-11-19 13:31:18,563 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_capability [2021-11-19 13:31:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_capability [2021-11-19 13:31:18,563 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf [2021-11-19 13:31:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf [2021-11-19 13:31:18,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 13:31:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 13:31:18,565 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-19 13:31:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-19 13:31:18,565 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 13:31:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 13:31:18,565 INFO L130 BoogieDeclarations]: Found specification of procedure _firmware_event_work [2021-11-19 13:31:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure _firmware_event_work [2021-11-19 13:31:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-19 13:31:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-19 13:31:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2021-11-19 13:31:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2021-11-19 13:31:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-19 13:31:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-19 13:31:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:31:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_convert_phy_link_rate [2021-11-19 13:31:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_convert_phy_link_rate [2021-11-19 13:31:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:31:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 13:31:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 13:31:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_sas_address [2021-11-19 13:31:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_sas_address [2021-11-19 13:31:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:31:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 13:31:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-19 13:31:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-19 13:31:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_refresh [2021-11-19 13:31:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_refresh [2021-11-19 13:31:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_wwid [2021-11-19 13:31:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_wwid [2021-11-19 13:31:18,572 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_scsi_enclosure_processor [2021-11-19 13:31:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_scsi_enclosure_processor [2021-11-19 13:31:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_on_fault_led [2021-11-19 13:31:18,575 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_on_fault_led [2021-11-19 13:31:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_int [2021-11-19 13:31:18,575 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_int [2021-11-19 13:31:18,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2021-11-19 13:31:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2021-11-19 13:31:18,577 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_access_status [2021-11-19 13:31:18,577 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_access_status [2021-11-19 13:31:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_handle [2021-11-19 13:31:18,585 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_handle [2021-11-19 13:31:18,585 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg0 [2021-11-19 13:31:18,585 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg0 [2021-11-19 13:31:18,585 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg1 [2021-11-19 13:31:18,586 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg1 [2021-11-19 13:31:18,586 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 13:31:18,586 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 13:31:18,586 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid_hpr [2021-11-19 13:31:18,586 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid_hpr [2021-11-19 13:31:18,586 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_handle [2021-11-19 13:31:18,586 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_handle [2021-11-19 13:31:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2021-11-19 13:31:18,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2021-11-19 13:31:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_device_remove_by_sas_address [2021-11-19 13:31:18,587 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_device_remove_by_sas_address [2021-11-19 13:31:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-19 13:31:18,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-19 13:31:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure _base_reset_handler [2021-11-19 13:31:18,588 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_reset_handler [2021-11-19 13:31:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_hard_reset_handler [2021-11-19 13:31:18,588 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_hard_reset_handler [2021-11-19 13:31:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 13:31:18,588 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 13:31:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:31:18,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:31:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_remove [2021-11-19 13:31:18,589 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_remove [2021-11-19 13:31:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-19 13:31:18,589 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-19 13:31:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_register_2 [2021-11-19 13:31:18,590 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_register_2 [2021-11-19 13:31:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_hba_phys [2021-11-19 13:31:18,590 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_hba_phys [2021-11-19 13:31:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-19 13:31:18,590 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-19 13:31:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 13:31:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-19 13:31:18,591 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-19 13:31:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-19 13:31:18,591 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-19 13:31:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-19 13:31:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure _base_release_memory_pools [2021-11-19 13:31:18,591 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_release_memory_pools [2021-11-19 13:31:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___1 [2021-11-19 13:31:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___1 [2021-11-19 13:31:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___3 [2021-11-19 13:31:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___3 [2021-11-19 13:31:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___2 [2021-11-19 13:31:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___2 [2021-11-19 13:31:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_start_watchdog [2021-11-19 13:31:18,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_start_watchdog [2021-11-19 13:31:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_add [2021-11-19 13:31:18,593 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_add [2021-11-19 13:31:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-11-19 13:31:18,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-11-19 13:31:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-19 13:31:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-19 13:31:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-19 13:31:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-19 13:31:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-19 13:31:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-19 13:31:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_all_device [2021-11-19 13:31:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_all_device [2021-11-19 13:31:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 13:31:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 13:31:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-19 13:31:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-19 13:31:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-19 13:31:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-19 13:31:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_determine_boot_device [2021-11-19 13:31:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_determine_boot_device [2021-11-19 13:31:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:31:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 13:31:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 13:31:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure _config_display_some_debug [2021-11-19 13:31:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_display_some_debug [2021-11-19 13:31:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_stop_watchdog [2021-11-19 13:31:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_stop_watchdog [2021-11-19 13:31:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:31:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_physical_disk_event [2021-11-19 13:31:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_physical_disk_event [2021-11-19 13:31:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-19 13:31:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-19 13:31:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure starget_for_each_device [2021-11-19 13:31:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure starget_for_each_device [2021-11-19 13:31:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-11-19 13:31:18,598 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-11-19 13:31:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-19 13:31:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 13:31:18,598 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 13:31:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-19 13:31:18,598 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-19 13:31:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_raid_devices [2021-11-19 13:31:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_raid_devices [2021-11-19 13:31:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove [2021-11-19 13:31:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove [2021-11-19 13:31:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_for_devices_after_reset [2021-11-19 13:31:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_for_devices_after_reset [2021-11-19 13:31:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-19 13:31:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-19 13:31:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_report_manufacture [2021-11-19 13:31:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_report_manufacture [2021-11-19 13:31:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2021-11-19 13:31:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2021-11-19 13:31:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_set_tm_flag [2021-11-19 13:31:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_set_tm_flag [2021-11-19 13:31:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure _base_is_controller_msix_enabled [2021-11-19 13:31:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_is_controller_msix_enabled [2021-11-19 13:31:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-19 13:31:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-19 13:31:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-19 13:31:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-19 13:31:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_block [2021-11-19 13:31:18,602 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_block [2021-11-19 13:31:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_free_smid [2021-11-19 13:31:18,602 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_free_smid [2021-11-19 13:31:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_refresh_expander_links [2021-11-19 13:31:18,602 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_refresh_expander_links [2021-11-19 13:31:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-19 13:31:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-19 13:31:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 13:31:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_expander_find_by_sas_address [2021-11-19 13:31:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_expander_find_by_sas_address [2021-11-19 13:31:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 13:31:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 13:31:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 13:31:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 13:31:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 13:31:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_on_iocstate [2021-11-19 13:31:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_on_iocstate [2021-11-19 13:31:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_cleanup_queue [2021-11-19 13:31:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_cleanup_queue [2021-11-19 13:31:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_add [2021-11-19 13:31:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_add [2021-11-19 13:31:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-19 13:31:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-19 13:31:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-11-19 13:31:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-11-19 13:31:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg1 [2021-11-19 13:31:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg1 [2021-11-19 13:31:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-19 13:31:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-19 13:31:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg0 [2021-11-19 13:31:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg0 [2021-11-19 13:31:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-19 13:31:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-19 13:31:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_expander_find_by_handle [2021-11-19 13:31:18,607 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_expander_find_by_handle [2021-11-19 13:31:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-11-19 13:31:18,607 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-11-19 13:31:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure _base_event_notification [2021-11-19 13:31:18,607 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_event_notification [2021-11-19 13:31:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_alloc [2021-11-19 13:31:18,607 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_alloc [2021-11-19 13:31:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-19 13:31:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-19 13:31:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_device [2021-11-19 13:31:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_device [2021-11-19 13:31:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_sas_device_find_by_sas_address [2021-11-19 13:31:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_sas_device_find_by_sas_address [2021-11-19 13:31:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_prep_device_scan [2021-11-19 13:31:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_prep_device_scan [2021-11-19 13:31:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 13:31:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 13:31:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of__internal_cmd [2021-11-19 13:31:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of__internal_cmd [2021-11-19 13:31:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure _config_request [2021-11-19 13:31:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_request [2021-11-19 13:31:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_device_remove_by_handle [2021-11-19 13:31:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_device_remove_by_handle [2021-11-19 13:31:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 13:31:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 13:31:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-19 13:31:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-19 13:31:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_expanders [2021-11-19 13:31:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_expanders [2021-11-19 13:31:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_send_release [2021-11-19 13:31:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_send_release [2021-11-19 13:31:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-11-19 13:31:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-11-19 13:31:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:31:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_build_zero_len_sge [2021-11-19 13:31:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_build_zero_len_sge [2021-11-19 13:31:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 13:31:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:31:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_ready [2021-11-19 13:31:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_ready [2021-11-19 13:31:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:31:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_reset_handler [2021-11-19 13:31:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_reset_handler [2021-11-19 13:31:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:31:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-19 13:31:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-19 13:31:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-19 13:31:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-19 13:31:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-19 13:31:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-19 13:31:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_ioctl_main [2021-11-19 13:31:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_ioctl_main [2021-11-19 13:31:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_expander_phy [2021-11-19 13:31:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_expander_phy [2021-11-19 13:31:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_host_phy [2021-11-19 13:31:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_host_phy [2021-11-19 13:31:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure _base_disable_msix [2021-11-19 13:31:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_disable_msix [2021-11-19 13:31:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 13:31:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 13:31:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_disable_ddio [2021-11-19 13:31:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_disable_ddio [2021-11-19 13:31:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_unblock [2021-11-19 13:31:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_unblock [2021-11-19 13:31:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-19 13:31:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-19 13:31:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_remove [2021-11-19 13:31:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_remove [2021-11-19 13:31:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2021-11-19 13:31:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2021-11-19 13:31:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid_scsiio [2021-11-19 13:31:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid_scsiio [2021-11-19 13:31:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-19 13:31:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-19 13:31:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_config_change_event [2021-11-19 13:31:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_config_change_event [2021-11-19 13:31:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_fault_info [2021-11-19 13:31:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_fault_info [2021-11-19 13:31:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg1 [2021-11-19 13:31:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg1 [2021-11-19 13:31:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_add [2021-11-19 13:31:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_add [2021-11-19 13:31:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg0 [2021-11-19 13:31:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg0 [2021-11-19 13:31:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_set_identify [2021-11-19 13:31:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_set_identify [2021-11-19 13:31:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 13:31:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 13:31:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 13:31:18,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 13:31:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 13:31:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_enable_diag_buffer [2021-11-19 13:31:18,619 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_enable_diag_buffer [2021-11-19 13:31:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_set_iounit_pg1 [2021-11-19 13:31:18,619 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_set_iounit_pg1 [2021-11-19 13:31:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_hide [2021-11-19 13:31:18,620 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_hide [2021-11-19 13:31:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_update_links [2021-11-19 13:31:18,620 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_update_links [2021-11-19 13:31:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_resync [2021-11-19 13:31:18,620 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_resync [2021-11-19 13:31:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-19 13:31:18,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-19 13:31:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-19 13:31:18,621 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-19 13:31:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_msix_index [2021-11-19 13:31:18,621 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_msix_index [2021-11-19 13:31:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-19 13:31:18,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-19 13:31:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-19 13:31:18,622 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-19 13:31:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-19 13:31:18,622 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-19 13:31:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 13:31:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_discovery_event [2021-11-19 13:31:18,622 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_discovery_event [2021-11-19 13:31:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_operational [2021-11-19 13:31:18,623 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_operational [2021-11-19 13:31:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_free_resources [2021-11-19 13:31:18,623 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_free_resources [2021-11-19 13:31:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_num_volumes [2021-11-19 13:31:18,623 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_num_volumes [2021-11-19 13:31:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:31:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_add [2021-11-19 13:31:18,624 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_add [2021-11-19 13:31:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:31:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:31:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 13:31:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 13:31:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_id [2021-11-19 13:31:18,624 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_id [2021-11-19 13:31:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_boot_device [2021-11-19 13:31:18,625 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_boot_device [2021-11-19 13:31:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2021-11-19 13:31:18,625 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2021-11-19 13:31:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure attribute_container_find_class_device [2021-11-19 13:31:18,625 INFO L138 BoogieDeclarations]: Found implementation of procedure attribute_container_find_class_device [2021-11-19 13:31:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_sense_buffer_dma [2021-11-19 13:31:18,625 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_sense_buffer_dma [2021-11-19 13:31:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_default [2021-11-19 13:31:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_default [2021-11-19 13:31:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2021-11-19 13:31:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2021-11-19 13:31:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2021-11-19 13:31:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2021-11-19 13:31:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_broadcast_primitive_event [2021-11-19 13:31:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_broadcast_primitive_event [2021-11-19 13:31:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid [2021-11-19 13:31:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid [2021-11-19 13:31:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-19 13:31:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-19 13:31:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_free [2021-11-19 13:31:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_free [2021-11-19 13:31:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_mark_responding_raid_device [2021-11-19 13:31:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_mark_responding_raid_device [2021-11-19 13:31:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_end_device [2021-11-19 13:31:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_end_device [2021-11-19 13:31:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-19 13:31:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-19 13:31:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phy_pg0 [2021-11-19 13:31:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phy_pg0 [2021-11-19 13:31:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_halt_firmware [2021-11-19 13:31:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_halt_firmware [2021-11-19 13:31:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_remove [2021-11-19 13:31:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_remove [2021-11-19 13:31:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_msg_frame [2021-11-19 13:31:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_msg_frame [2021-11-19 13:31:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_volume_event [2021-11-19 13:31:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_volume_event [2021-11-19 13:31:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:31:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:31:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 13:31:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:31:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure _base_static_config_pages [2021-11-19 13:31:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_static_config_pages [2021-11-19 13:31:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:31:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_add_device [2021-11-19 13:31:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_add_device [2021-11-19 13:31:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-19 13:31:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-19 13:31:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_node_remove [2021-11-19 13:31:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_node_remove [2021-11-19 13:31:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg3 [2021-11-19 13:31:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg3 [2021-11-19 13:31:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg2 [2021-11-19 13:31:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg2 [2021-11-19 13:31:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure _base_mask_interrupts [2021-11-19 13:31:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_mask_interrupts [2021-11-19 13:31:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-19 13:31:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-19 13:31:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-19 13:31:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-19 13:31:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_flush_running_cmds [2021-11-19 13:31:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_flush_running_cmds [2021-11-19 13:31:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_enclosure_pg0 [2021-11-19 13:31:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_enclosure_pg0 [2021-11-19 13:31:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-19 13:31:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-19 13:31:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_sas_devices [2021-11-19 13:31:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_sas_devices [2021-11-19 13:31:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_device_pg0 [2021-11-19 13:31:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_device_pg0 [2021-11-19 13:31:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure _base_fault_reset_work [2021-11-19 13:31:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_fault_reset_work [2021-11-19 13:31:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_find_by_handle [2021-11-19 13:31:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_find_by_handle [2021-11-19 13:31:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_add [2021-11-19 13:31:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_add [2021-11-19 13:31:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_issue_tm [2021-11-19 13:31:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_issue_tm [2021-11-19 13:31:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_delete_phy [2021-11-19 13:31:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_delete_phy [2021-11-19 13:31:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_iocstate [2021-11-19 13:31:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_iocstate [2021-11-19 13:31:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 13:31:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 13:31:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_hi_priority [2021-11-19 13:31:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_hi_priority [2021-11-19 13:31:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_delete [2021-11-19 13:31:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_delete [2021-11-19 13:31:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_target_destroy [2021-11-19 13:31:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_target_destroy [2021-11-19 13:31:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_resume [2021-11-19 13:31:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_resume [2021-11-19 13:31:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2021-11-19 13:31:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2021-11-19 13:31:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-19 13:31:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-19 13:31:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg0 [2021-11-19 13:31:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg0 [2021-11-19 13:31:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg1 [2021-11-19 13:31:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg1 [2021-11-19 13:31:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_scsi_io [2021-11-19 13:31:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_scsi_io [2021-11-19 13:31:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_clear_tm_flag [2021-11-19 13:31:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_clear_tm_flag [2021-11-19 13:31:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_add_phy [2021-11-19 13:31:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_add_phy [2021-11-19 13:31:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phys_disk_pg0 [2021-11-19 13:31:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phys_disk_pg0 [2021-11-19 13:31:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_ioc_pg8 [2021-11-19 13:31:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_ioc_pg8 [2021-11-19 13:31:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 13:31:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 13:31:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sas_node_find_by_sas_address [2021-11-19 13:31:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sas_node_find_by_sas_address [2021-11-19 13:31:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-19 13:31:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-19 13:31:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-19 13:31:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-19 13:31:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_add [2021-11-19 13:31:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_add [2021-11-19 13:31:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_response_code [2021-11-19 13:31:18,642 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_response_code [2021-11-19 13:31:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 13:31:18,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 13:31:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-19 13:31:20,368 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:31:20,376 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:33:45,074 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:33:45,223 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:33:45,223 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 13:33:45,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:33:45 BoogieIcfgContainer [2021-11-19 13:33:45,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:33:45,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:33:45,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:33:45,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:33:45,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:31:03" (1/3) ... [2021-11-19 13:33:45,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1e8f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:33:45, skipping insertion in model container [2021-11-19 13:33:45,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:16" (2/3) ... [2021-11-19 13:33:45,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1e8f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:33:45, skipping insertion in model container [2021-11-19 13:33:45,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:33:45" (3/3) ... [2021-11-19 13:33:45,239 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-19 13:33:45,245 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:33:45,245 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 13:33:45,349 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:33:45,357 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 13:33:45,357 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 13:33:45,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 5131 states, 3662 states have (on average 1.4120699071545604) internal successors, (5171), 3790 states have internal predecessors, (5171), 1223 states have call successors, (1223), 245 states have call predecessors, (1223), 245 states have return successors, (1223), 1177 states have call predecessors, (1223), 1223 states have call successors, (1223) [2021-11-19 13:33:45,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-19 13:33:45,498 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:45,498 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:45,499 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:33:45,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:45,506 INFO L85 PathProgramCache]: Analyzing trace with hash -577367309, now seen corresponding path program 1 times [2021-11-19 13:33:45,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:33:45,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430400745] [2021-11-19 13:33:45,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:45,536 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:33:45,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:33:45,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:33:45,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:33:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:50,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 5546 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:33:50,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:33:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:33:51,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:33:51,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:33:51,357 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:33:51,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430400745] [2021-11-19 13:33:51,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [430400745] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:33:51,358 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:33:51,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 13:33:51,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638951269] [2021-11-19 13:33:51,361 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:33:51,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:33:51,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:33:51,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:33:51,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:33:51,410 INFO L87 Difference]: Start difference. First operand has 5131 states, 3662 states have (on average 1.4120699071545604) internal successors, (5171), 3790 states have internal predecessors, (5171), 1223 states have call successors, (1223), 245 states have call predecessors, (1223), 245 states have return successors, (1223), 1177 states have call predecessors, (1223), 1223 states have call successors, (1223) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 13:33:53,977 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:33:54,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:33:54,686 INFO L93 Difference]: Finished difference Result 10250 states and 15516 transitions. [2021-11-19 13:33:54,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:33:54,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-11-19 13:33:54,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:33:54,764 INFO L225 Difference]: With dead ends: 10250 [2021-11-19 13:33:54,764 INFO L226 Difference]: Without dead ends: 5115 [2021-11-19 13:33:54,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:33:54,839 INFO L933 BasicCegarLoop]: 7594 mSDtfsCounter, 7586 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7586 SdHoareTripleChecker+Valid, 7596 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:33:54,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7586 Valid, 7596 Invalid, 2 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 13:33:54,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5115 states. [2021-11-19 13:33:55,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5115 to 5115. [2021-11-19 13:33:55,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5115 states, 3650 states have (on average 1.4106849315068493) internal successors, (5149), 3774 states have internal predecessors, (5149), 1221 states have call successors, (1221), 245 states have call predecessors, (1221), 243 states have return successors, (1211), 1165 states have call predecessors, (1211), 1211 states have call successors, (1211) [2021-11-19 13:33:55,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5115 states to 5115 states and 7581 transitions. [2021-11-19 13:33:55,345 INFO L78 Accepts]: Start accepts. Automaton has 5115 states and 7581 transitions. Word has length 12 [2021-11-19 13:33:55,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:33:55,346 INFO L470 AbstractCegarLoop]: Abstraction has 5115 states and 7581 transitions. [2021-11-19 13:33:55,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 13:33:55,347 INFO L276 IsEmpty]: Start isEmpty. Operand 5115 states and 7581 transitions. [2021-11-19 13:33:55,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-19 13:33:55,348 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:55,348 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:55,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:33:55,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:33:55,570 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:33:55,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:55,571 INFO L85 PathProgramCache]: Analyzing trace with hash -720699983, now seen corresponding path program 1 times [2021-11-19 13:33:55,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:33:55,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5249944] [2021-11-19 13:33:55,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:55,578 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:33:55,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:33:55,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:33:55,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:34:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:00,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 5547 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:34:00,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:34:00,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:00,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:34:01,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:01,272 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:34:01,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5249944] [2021-11-19 13:34:01,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [5249944] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:01,273 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:01,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 13:34:01,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478870648] [2021-11-19 13:34:01,274 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:01,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:34:01,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:34:01,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:34:01,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:34:01,276 INFO L87 Difference]: Start difference. First operand 5115 states and 7581 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 13:34:03,756 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:04,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:04,660 INFO L93 Difference]: Finished difference Result 13752 states and 20712 transitions. [2021-11-19 13:34:04,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:34:04,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2021-11-19 13:34:04,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:04,752 INFO L225 Difference]: With dead ends: 13752 [2021-11-19 13:34:04,752 INFO L226 Difference]: Without dead ends: 8643 [2021-11-19 13:34:04,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:34:04,810 INFO L933 BasicCegarLoop]: 10088 mSDtfsCounter, 7221 mSDsluCounter, 5596 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7221 SdHoareTripleChecker+Valid, 15684 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:04,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7221 Valid, 15684 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2021-11-19 13:34:04,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8643 states. [2021-11-19 13:34:05,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8643 to 8638. [2021-11-19 13:34:05,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8638 states, 6176 states have (on average 1.4099740932642486) internal successors, (8708), 6416 states have internal predecessors, (8708), 2038 states have call successors, (2038), 448 states have call predecessors, (2038), 423 states have return successors, (2090), 1899 states have call predecessors, (2090), 2021 states have call successors, (2090) [2021-11-19 13:34:05,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8638 states to 8638 states and 12836 transitions. [2021-11-19 13:34:05,861 INFO L78 Accepts]: Start accepts. Automaton has 8638 states and 12836 transitions. Word has length 13 [2021-11-19 13:34:05,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:05,862 INFO L470 AbstractCegarLoop]: Abstraction has 8638 states and 12836 transitions. [2021-11-19 13:34:05,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 13:34:05,863 INFO L276 IsEmpty]: Start isEmpty. Operand 8638 states and 12836 transitions. [2021-11-19 13:34:05,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-19 13:34:05,864 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:05,864 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:05,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:34:06,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:34:06,086 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:34:06,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:06,088 INFO L85 PathProgramCache]: Analyzing trace with hash -869040714, now seen corresponding path program 1 times [2021-11-19 13:34:06,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:34:06,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285038592] [2021-11-19 13:34:06,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:06,099 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:34:06,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:34:06,100 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:34:06,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:34:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:11,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 5548 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:34:11,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:34:11,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:11,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:34:11,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:11,745 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:34:11,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285038592] [2021-11-19 13:34:11,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1285038592] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:11,745 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:11,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 13:34:11,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511310029] [2021-11-19 13:34:11,746 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:11,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:34:11,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:34:11,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:34:11,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:34:11,748 INFO L87 Difference]: Start difference. First operand 8638 states and 12836 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 13:34:14,228 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:14,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:14,755 INFO L93 Difference]: Finished difference Result 8640 states and 12837 transitions. [2021-11-19 13:34:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:34:14,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2021-11-19 13:34:14,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:14,835 INFO L225 Difference]: With dead ends: 8640 [2021-11-19 13:34:14,836 INFO L226 Difference]: Without dead ends: 8637 [2021-11-19 13:34:14,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:34:14,852 INFO L933 BasicCegarLoop]: 7578 mSDtfsCounter, 7568 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7568 SdHoareTripleChecker+Valid, 7580 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:14,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7568 Valid, 7580 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 13:34:14,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8637 states. [2021-11-19 13:34:15,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8637 to 8637. [2021-11-19 13:34:15,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8637 states, 6176 states have (on average 1.4098121761658031) internal successors, (8707), 6415 states have internal predecessors, (8707), 2037 states have call successors, (2037), 448 states have call predecessors, (2037), 423 states have return successors, (2090), 1899 states have call predecessors, (2090), 2021 states have call successors, (2090) [2021-11-19 13:34:15,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8637 states to 8637 states and 12834 transitions. [2021-11-19 13:34:15,699 INFO L78 Accepts]: Start accepts. Automaton has 8637 states and 12834 transitions. Word has length 14 [2021-11-19 13:34:15,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:15,699 INFO L470 AbstractCegarLoop]: Abstraction has 8637 states and 12834 transitions. [2021-11-19 13:34:15,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 13:34:15,700 INFO L276 IsEmpty]: Start isEmpty. Operand 8637 states and 12834 transitions. [2021-11-19 13:34:15,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-19 13:34:15,701 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:15,701 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:15,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:34:15,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:34:15,922 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:34:15,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:15,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1172631212, now seen corresponding path program 1 times [2021-11-19 13:34:15,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:34:15,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225649011] [2021-11-19 13:34:15,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:15,929 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:34:15,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:34:15,933 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:34:15,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:34:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:20,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 5549 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:34:20,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:34:21,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:21,193 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:34:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:21,547 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:34:21,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225649011] [2021-11-19 13:34:21,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [225649011] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:21,547 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:21,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 13:34:21,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327662259] [2021-11-19 13:34:21,548 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:21,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:34:21,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:34:21,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:34:21,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:34:21,549 INFO L87 Difference]: Start difference. First operand 8637 states and 12834 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 13:34:24,051 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:25,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:25,147 INFO L93 Difference]: Finished difference Result 25871 states and 39715 transitions. [2021-11-19 13:34:25,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:34:25,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-11-19 13:34:25,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:25,308 INFO L225 Difference]: With dead ends: 25871 [2021-11-19 13:34:25,308 INFO L226 Difference]: Without dead ends: 17235 [2021-11-19 13:34:25,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:34:25,390 INFO L933 BasicCegarLoop]: 13552 mSDtfsCounter, 7754 mSDsluCounter, 7756 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7754 SdHoareTripleChecker+Valid, 21308 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:25,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7754 Valid, 21308 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2021-11-19 13:34:25,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17235 states. [2021-11-19 13:34:26,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17235 to 17174. [2021-11-19 13:34:26,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17174 states, 12275 states have (on average 1.4108350305498982) internal successors, (17318), 12756 states have internal predecessors, (17318), 4055 states have call successors, (4055), 891 states have call predecessors, (4055), 843 states have return successors, (4782), 3776 states have call predecessors, (4782), 4038 states have call successors, (4782) [2021-11-19 13:34:26,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17174 states to 17174 states and 26155 transitions. [2021-11-19 13:34:26,945 INFO L78 Accepts]: Start accepts. Automaton has 17174 states and 26155 transitions. Word has length 15 [2021-11-19 13:34:26,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:26,946 INFO L470 AbstractCegarLoop]: Abstraction has 17174 states and 26155 transitions. [2021-11-19 13:34:26,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 13:34:26,946 INFO L276 IsEmpty]: Start isEmpty. Operand 17174 states and 26155 transitions. [2021-11-19 13:34:26,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-19 13:34:26,959 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:26,960 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:27,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-19 13:34:27,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:34:27,178 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:34:27,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:27,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1791049618, now seen corresponding path program 1 times [2021-11-19 13:34:27,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:34:27,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [734101935] [2021-11-19 13:34:27,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:27,186 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:34:27,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:34:27,187 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:34:27,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 13:34:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:32,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 5731 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:34:32,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:34:33,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:33,187 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:34:33,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:33,586 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:34:33,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [734101935] [2021-11-19 13:34:33,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [734101935] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:33,587 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:33,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-19 13:34:33,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061890813] [2021-11-19 13:34:33,587 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:33,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:34:33,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:34:33,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:34:33,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:34:33,589 INFO L87 Difference]: Start difference. First operand 17174 states and 26155 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-19 13:34:34,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:34,809 INFO L93 Difference]: Finished difference Result 34366 states and 52368 transitions. [2021-11-19 13:34:34,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 13:34:34,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 69 [2021-11-19 13:34:34,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:34,939 INFO L225 Difference]: With dead ends: 34366 [2021-11-19 13:34:34,939 INFO L226 Difference]: Without dead ends: 17198 [2021-11-19 13:34:35,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:34:35,051 INFO L933 BasicCegarLoop]: 7579 mSDtfsCounter, 3 mSDsluCounter, 15153 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 22732 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:35,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 22732 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:34:35,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17198 states. [2021-11-19 13:34:36,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17198 to 17198. [2021-11-19 13:34:36,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17198 states, 12295 states have (on average 1.4101667344448963) internal successors, (17338), 12780 states have internal predecessors, (17338), 4055 states have call successors, (4055), 891 states have call predecessors, (4055), 847 states have return successors, (4790), 3776 states have call predecessors, (4790), 4038 states have call successors, (4790) [2021-11-19 13:34:36,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17198 states to 17198 states and 26183 transitions. [2021-11-19 13:34:36,764 INFO L78 Accepts]: Start accepts. Automaton has 17198 states and 26183 transitions. Word has length 69 [2021-11-19 13:34:36,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:36,764 INFO L470 AbstractCegarLoop]: Abstraction has 17198 states and 26183 transitions. [2021-11-19 13:34:36,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-19 13:34:36,765 INFO L276 IsEmpty]: Start isEmpty. Operand 17198 states and 26183 transitions. [2021-11-19 13:34:36,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-19 13:34:36,769 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:36,769 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:36,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 13:34:36,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:34:36,982 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:34:36,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:36,983 INFO L85 PathProgramCache]: Analyzing trace with hash 840837098, now seen corresponding path program 1 times [2021-11-19 13:34:36,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:34:36,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1279926890] [2021-11-19 13:34:36,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:36,989 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:34:36,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:34:36,993 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:34:37,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 13:34:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:42,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 5730 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 13:34:42,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:34:43,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:43,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:34:43,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:43,377 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:34:43,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1279926890] [2021-11-19 13:34:43,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1279926890] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:43,378 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:43,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-19 13:34:43,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371914957] [2021-11-19 13:34:43,378 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:43,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:34:43,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:34:43,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:34:43,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:34:43,379 INFO L87 Difference]: Start difference. First operand 17198 states and 26183 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-19 13:34:44,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:44,669 INFO L93 Difference]: Finished difference Result 34406 states and 52412 transitions. [2021-11-19 13:34:44,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 13:34:44,670 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 68 [2021-11-19 13:34:44,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:44,766 INFO L225 Difference]: With dead ends: 34406 [2021-11-19 13:34:44,767 INFO L226 Difference]: Without dead ends: 17214 [2021-11-19 13:34:44,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:34:44,854 INFO L933 BasicCegarLoop]: 7576 mSDtfsCounter, 2 mSDsluCounter, 15147 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 22723 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:44,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 22723 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:34:44,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17214 states. [2021-11-19 13:34:45,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17214 to 17210. [2021-11-19 13:34:45,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17210 states, 12307 states have (on average 1.4097667993824652) internal successors, (17350), 12792 states have internal predecessors, (17350), 4055 states have call successors, (4055), 891 states have call predecessors, (4055), 847 states have return successors, (4790), 3776 states have call predecessors, (4790), 4038 states have call successors, (4790) [2021-11-19 13:34:46,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17210 states to 17210 states and 26195 transitions. [2021-11-19 13:34:46,037 INFO L78 Accepts]: Start accepts. Automaton has 17210 states and 26195 transitions. Word has length 68 [2021-11-19 13:34:46,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:46,038 INFO L470 AbstractCegarLoop]: Abstraction has 17210 states and 26195 transitions. [2021-11-19 13:34:46,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-19 13:34:46,039 INFO L276 IsEmpty]: Start isEmpty. Operand 17210 states and 26195 transitions. [2021-11-19 13:34:46,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-19 13:34:46,041 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:46,042 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:46,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 13:34:46,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:34:46,266 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:34:46,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:46,267 INFO L85 PathProgramCache]: Analyzing trace with hash -824052626, now seen corresponding path program 1 times [2021-11-19 13:34:46,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:34:46,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21765586] [2021-11-19 13:34:46,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:46,275 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:34:46,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:34:46,276 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:34:46,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 13:34:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:51,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 5738 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 13:34:51,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:34:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:52,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:34:52,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:52,702 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:34:52,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [21765586] [2021-11-19 13:34:52,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [21765586] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:52,703 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:52,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-19 13:34:52,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742656736] [2021-11-19 13:34:52,703 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:52,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:34:52,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:34:52,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:34:52,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:34:52,705 INFO L87 Difference]: Start difference. First operand 17210 states and 26195 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-19 13:34:53,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:53,944 INFO L93 Difference]: Finished difference Result 34422 states and 52420 transitions. [2021-11-19 13:34:53,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:34:53,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 68 [2021-11-19 13:34:53,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:54,056 INFO L225 Difference]: With dead ends: 34422 [2021-11-19 13:34:54,056 INFO L226 Difference]: Without dead ends: 17218 [2021-11-19 13:34:54,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:34:54,158 INFO L933 BasicCegarLoop]: 7579 mSDtfsCounter, 10 mSDsluCounter, 22733 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 30312 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:54,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 30312 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:34:54,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17218 states. [2021-11-19 13:34:55,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17218 to 17214. [2021-11-19 13:34:55,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17214 states, 12309 states have (on average 1.4095377366154846) internal successors, (17350), 12796 states have internal predecessors, (17350), 4055 states have call successors, (4055), 891 states have call predecessors, (4055), 849 states have return successors, (4798), 3776 states have call predecessors, (4798), 4038 states have call successors, (4798) [2021-11-19 13:34:55,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17214 states to 17214 states and 26203 transitions. [2021-11-19 13:34:55,470 INFO L78 Accepts]: Start accepts. Automaton has 17214 states and 26203 transitions. Word has length 68 [2021-11-19 13:34:55,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:55,471 INFO L470 AbstractCegarLoop]: Abstraction has 17214 states and 26203 transitions. [2021-11-19 13:34:55,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-19 13:34:55,471 INFO L276 IsEmpty]: Start isEmpty. Operand 17214 states and 26203 transitions. [2021-11-19 13:34:55,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-19 13:34:55,472 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:55,473 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:55,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 13:34:55,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:34:55,698 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:34:55,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:55,699 INFO L85 PathProgramCache]: Analyzing trace with hash -2109743271, now seen corresponding path program 1 times [2021-11-19 13:34:55,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:34:55,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [975697094] [2021-11-19 13:34:55,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:55,705 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:34:55,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:34:55,708 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:34:55,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 13:35:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:35:01,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 5745 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 13:35:01,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:35:01,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:35:01,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:35:02,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:35:02,072 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:35:02,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [975697094] [2021-11-19 13:35:02,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [975697094] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:35:02,073 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:35:02,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-19 13:35:02,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473534084] [2021-11-19 13:35:02,073 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:35:02,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:35:02,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:35:02,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:35:02,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:35:02,074 INFO L87 Difference]: Start difference. First operand 17214 states and 26203 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-19 13:35:04,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:35:04,144 INFO L93 Difference]: Finished difference Result 34440 states and 52436 transitions. [2021-11-19 13:35:04,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 13:35:04,144 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 71 [2021-11-19 13:35:04,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:35:04,232 INFO L225 Difference]: With dead ends: 34440 [2021-11-19 13:35:04,232 INFO L226 Difference]: Without dead ends: 17232 [2021-11-19 13:35:04,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:35:04,365 INFO L933 BasicCegarLoop]: 7584 mSDtfsCounter, 52 mSDsluCounter, 15027 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 22611 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:35:04,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 22611 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-19 13:35:04,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17232 states. [2021-11-19 13:35:05,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17232 to 17222. [2021-11-19 13:35:05,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17222 states, 12313 states have (on average 1.4090798343214488) internal successors, (17350), 12800 states have internal predecessors, (17350), 4059 states have call successors, (4059), 891 states have call predecessors, (4059), 849 states have return successors, (4802), 3780 states have call predecessors, (4802), 4042 states have call successors, (4802) [2021-11-19 13:35:05,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17222 states to 17222 states and 26211 transitions. [2021-11-19 13:35:05,549 INFO L78 Accepts]: Start accepts. Automaton has 17222 states and 26211 transitions. Word has length 71 [2021-11-19 13:35:05,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:35:05,550 INFO L470 AbstractCegarLoop]: Abstraction has 17222 states and 26211 transitions. [2021-11-19 13:35:05,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-19 13:35:05,550 INFO L276 IsEmpty]: Start isEmpty. Operand 17222 states and 26211 transitions. [2021-11-19 13:35:05,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-19 13:35:05,552 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:35:05,552 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:35:05,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-19 13:35:05,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:35:05,774 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:35:05,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:35:05,775 INFO L85 PathProgramCache]: Analyzing trace with hash 67193679, now seen corresponding path program 1 times [2021-11-19 13:35:05,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:35:05,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1953544466] [2021-11-19 13:35:05,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:35:05,781 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:35:05,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:35:05,783 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:35:05,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 13:35:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:35:11,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 5737 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 13:35:11,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:35:11,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:35:11,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:35:12,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:35:12,509 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:35:12,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1953544466] [2021-11-19 13:35:12,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1953544466] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:35:12,510 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:35:12,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-19 13:35:12,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921899865] [2021-11-19 13:35:12,510 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:35:12,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 13:35:12,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:35:12,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 13:35:12,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-19 13:35:12,512 INFO L87 Difference]: Start difference. First operand 17222 states and 26211 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2021-11-19 13:35:14,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:35:14,072 INFO L93 Difference]: Finished difference Result 35100 states and 53532 transitions. [2021-11-19 13:35:14,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 13:35:14,073 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 70 [2021-11-19 13:35:14,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:35:14,164 INFO L225 Difference]: With dead ends: 35100 [2021-11-19 13:35:14,165 INFO L226 Difference]: Without dead ends: 17884 [2021-11-19 13:35:14,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:35:14,262 INFO L933 BasicCegarLoop]: 7886 mSDtfsCounter, 2298 mSDsluCounter, 22838 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 384 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2298 SdHoareTripleChecker+Valid, 30724 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 384 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:35:14,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2298 Valid, 30724 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [384 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-19 13:35:14,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17884 states. [2021-11-19 13:35:15,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17884 to 17222. [2021-11-19 13:35:15,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17222 states, 12313 states have (on average 1.4089174043693657) internal successors, (17348), 12800 states have internal predecessors, (17348), 4059 states have call successors, (4059), 891 states have call predecessors, (4059), 849 states have return successors, (4802), 3780 states have call predecessors, (4802), 4042 states have call successors, (4802) [2021-11-19 13:35:15,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17222 states to 17222 states and 26209 transitions. [2021-11-19 13:35:15,537 INFO L78 Accepts]: Start accepts. Automaton has 17222 states and 26209 transitions. Word has length 70 [2021-11-19 13:35:15,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:35:15,549 INFO L470 AbstractCegarLoop]: Abstraction has 17222 states and 26209 transitions. [2021-11-19 13:35:15,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2021-11-19 13:35:15,550 INFO L276 IsEmpty]: Start isEmpty. Operand 17222 states and 26209 transitions. [2021-11-19 13:35:15,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-19 13:35:15,553 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:35:15,553 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:35:15,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-19 13:35:15,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:35:15,766 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:35:15,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:35:15,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1591513701, now seen corresponding path program 1 times [2021-11-19 13:35:15,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:35:15,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641854109] [2021-11-19 13:35:15,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:35:15,778 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:35:15,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:35:15,779 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:35:15,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-19 13:35:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:35:21,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 5751 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 13:35:21,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:35:21,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:35:21,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:35:21,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:35:21,957 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:35:21,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [641854109] [2021-11-19 13:35:21,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [641854109] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:35:21,957 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:35:21,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 13:35:21,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024646815] [2021-11-19 13:35:21,958 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:35:21,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:35:21,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:35:21,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:35:21,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:35:21,959 INFO L87 Difference]: Start difference. First operand 17222 states and 26209 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-19 13:35:22,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:35:22,845 INFO L93 Difference]: Finished difference Result 34451 states and 52457 transitions. [2021-11-19 13:35:22,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:35:22,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 75 [2021-11-19 13:35:22,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:35:23,020 INFO L225 Difference]: With dead ends: 34451 [2021-11-19 13:35:23,020 INFO L226 Difference]: Without dead ends: 17235 [2021-11-19 13:35:23,078 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:35:23,079 INFO L933 BasicCegarLoop]: 7576 mSDtfsCounter, 352 mSDsluCounter, 7136 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 14712 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:35:23,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [416 Valid, 14712 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:35:23,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17235 states. [2021-11-19 13:35:23,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17235 to 17227. [2021-11-19 13:35:24,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17227 states, 12318 states have (on average 1.4085078746549764) internal successors, (17350), 12805 states have internal predecessors, (17350), 4059 states have call successors, (4059), 891 states have call predecessors, (4059), 849 states have return successors, (4802), 3780 states have call predecessors, (4802), 4042 states have call successors, (4802) [2021-11-19 13:35:24,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17227 states to 17227 states and 26211 transitions. [2021-11-19 13:35:24,255 INFO L78 Accepts]: Start accepts. Automaton has 17227 states and 26211 transitions. Word has length 75 [2021-11-19 13:35:24,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:35:24,256 INFO L470 AbstractCegarLoop]: Abstraction has 17227 states and 26211 transitions. [2021-11-19 13:35:24,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-19 13:35:24,256 INFO L276 IsEmpty]: Start isEmpty. Operand 17227 states and 26211 transitions. [2021-11-19 13:35:24,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-19 13:35:24,257 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:35:24,258 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:35:24,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-19 13:35:24,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:35:24,470 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:35:24,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:35:24,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1057484364, now seen corresponding path program 1 times [2021-11-19 13:35:24,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:35:24,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2100371142] [2021-11-19 13:35:24,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:35:24,477 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:35:24,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:35:24,478 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:35:24,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-19 13:35:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:35:29,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 5745 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:35:29,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:35:30,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:35:30,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:35:30,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:35:30,848 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:35:30,848 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2100371142] [2021-11-19 13:35:30,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2100371142] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:35:30,848 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:35:30,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-19 13:35:30,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620249893] [2021-11-19 13:35:30,849 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:35:30,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:35:30,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:35:30,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:35:30,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:35:30,850 INFO L87 Difference]: Start difference. First operand 17227 states and 26211 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-19 13:35:32,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:35:32,814 INFO L93 Difference]: Finished difference Result 34476 states and 52480 transitions. [2021-11-19 13:35:32,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:35:32,815 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 72 [2021-11-19 13:35:32,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:35:32,870 INFO L225 Difference]: With dead ends: 34476 [2021-11-19 13:35:32,871 INFO L226 Difference]: Without dead ends: 17255 [2021-11-19 13:35:32,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:35:32,923 INFO L933 BasicCegarLoop]: 7581 mSDtfsCounter, 196 mSDsluCounter, 7574 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 15155 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:35:32,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 15155 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-19 13:35:32,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17255 states. [2021-11-19 13:35:33,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17255 to 17227. [2021-11-19 13:35:33,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17227 states, 12318 states have (on average 1.4078584185744438) internal successors, (17342), 12805 states have internal predecessors, (17342), 4059 states have call successors, (4059), 891 states have call predecessors, (4059), 849 states have return successors, (4802), 3780 states have call predecessors, (4802), 4042 states have call successors, (4802) [2021-11-19 13:35:33,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17227 states to 17227 states and 26203 transitions. [2021-11-19 13:35:33,924 INFO L78 Accepts]: Start accepts. Automaton has 17227 states and 26203 transitions. Word has length 72 [2021-11-19 13:35:33,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:35:33,924 INFO L470 AbstractCegarLoop]: Abstraction has 17227 states and 26203 transitions. [2021-11-19 13:35:33,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-19 13:35:33,925 INFO L276 IsEmpty]: Start isEmpty. Operand 17227 states and 26203 transitions. [2021-11-19 13:35:33,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-19 13:35:33,927 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:35:33,927 INFO L514 BasicCegarLoop]: 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] [2021-11-19 13:35:33,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-19 13:35:34,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:35:34,134 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:35:34,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:35:34,134 INFO L85 PathProgramCache]: Analyzing trace with hash -440858349, now seen corresponding path program 1 times [2021-11-19 13:35:34,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:35:34,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1126875141] [2021-11-19 13:35:34,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:35:34,139 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:35:34,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:35:34,143 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:35:34,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-19 13:35:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:35:39,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 5741 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 13:35:39,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:35:40,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:35:40,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:35:40,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:35:40,701 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:35:40,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1126875141] [2021-11-19 13:35:40,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1126875141] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:35:40,702 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:35:40,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-19 13:35:40,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179764211] [2021-11-19 13:35:40,702 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:35:40,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:35:40,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:35:40,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:35:40,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:35:40,703 INFO L87 Difference]: Start difference. First operand 17227 states and 26203 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-19 13:35:42,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:35:42,136 INFO L93 Difference]: Finished difference Result 35013 states and 53342 transitions. [2021-11-19 13:35:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 13:35:42,137 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 1 states have call successors, (9) Word has length 74 [2021-11-19 13:35:42,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:35:42,213 INFO L225 Difference]: With dead ends: 35013 [2021-11-19 13:35:42,213 INFO L226 Difference]: Without dead ends: 17792 [2021-11-19 13:35:42,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:35:42,282 INFO L933 BasicCegarLoop]: 7975 mSDtfsCounter, 1062 mSDsluCounter, 31553 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1126 SdHoareTripleChecker+Valid, 39528 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:35:42,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1126 Valid, 39528 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 13:35:42,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17792 states. [2021-11-19 13:35:43,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17792 to 17066. [2021-11-19 13:35:43,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17066 states, 12192 states have (on average 1.4083825459317585) internal successors, (17171), 12672 states have internal predecessors, (17171), 4034 states have call successors, (4034), 881 states have call predecessors, (4034), 839 states have return successors, (4756), 3762 states have call predecessors, (4756), 4022 states have call successors, (4756) [2021-11-19 13:35:43,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17066 states to 17066 states and 25961 transitions. [2021-11-19 13:35:43,223 INFO L78 Accepts]: Start accepts. Automaton has 17066 states and 25961 transitions. Word has length 74 [2021-11-19 13:35:43,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:35:43,224 INFO L470 AbstractCegarLoop]: Abstraction has 17066 states and 25961 transitions. [2021-11-19 13:35:43,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-19 13:35:43,224 INFO L276 IsEmpty]: Start isEmpty. Operand 17066 states and 25961 transitions. [2021-11-19 13:35:43,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-19 13:35:43,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:35:43,227 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:35:43,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-11-19 13:35:43,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:35:43,442 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:35:43,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:35:43,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1676504307, now seen corresponding path program 1 times [2021-11-19 13:35:43,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:35:43,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [608119436] [2021-11-19 13:35:43,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:35:43,447 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:35:43,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:35:43,448 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:35:43,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-19 13:35:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:35:48,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 5769 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 13:35:48,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:35:49,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:35:49,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:35:50,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:35:50,499 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:35:50,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [608119436] [2021-11-19 13:35:50,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [608119436] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:35:50,499 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:35:50,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-19 13:35:50,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633114871] [2021-11-19 13:35:50,500 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:35:50,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:35:50,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:35:50,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:35:50,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:35:50,501 INFO L87 Difference]: Start difference. First operand 17066 states and 25961 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-19 13:35:51,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:35:51,852 INFO L93 Difference]: Finished difference Result 35363 states and 53946 transitions. [2021-11-19 13:35:51,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 13:35:51,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 73 [2021-11-19 13:35:51,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:35:51,924 INFO L225 Difference]: With dead ends: 35363 [2021-11-19 13:35:51,924 INFO L226 Difference]: Without dead ends: 18303 [2021-11-19 13:35:52,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:35:52,090 INFO L933 BasicCegarLoop]: 7629 mSDtfsCounter, 787 mSDsluCounter, 15127 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 22756 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:35:52,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [791 Valid, 22756 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 13:35:52,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18303 states. [2021-11-19 13:35:52,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18303 to 17766. [2021-11-19 13:35:52,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17766 states, 12768 states have (on average 1.412359022556391) internal successors, (18033), 13250 states have internal predecessors, (18033), 4154 states have call successors, (4154), 883 states have call predecessors, (4154), 843 states have return successors, (4902), 3882 states have call predecessors, (4902), 4142 states have call successors, (4902) [2021-11-19 13:35:52,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17766 states to 17766 states and 27089 transitions. [2021-11-19 13:35:52,884 INFO L78 Accepts]: Start accepts. Automaton has 17766 states and 27089 transitions. Word has length 73 [2021-11-19 13:35:52,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:35:52,885 INFO L470 AbstractCegarLoop]: Abstraction has 17766 states and 27089 transitions. [2021-11-19 13:35:52,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-19 13:35:52,885 INFO L276 IsEmpty]: Start isEmpty. Operand 17766 states and 27089 transitions. [2021-11-19 13:35:52,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-19 13:35:52,887 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:35:52,888 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:35:52,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-19 13:35:53,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:35:53,090 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:35:53,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:35:53,091 INFO L85 PathProgramCache]: Analyzing trace with hash -793379132, now seen corresponding path program 1 times [2021-11-19 13:35:53,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:35:53,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160027167] [2021-11-19 13:35:53,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:35:53,095 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:35:53,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:35:53,096 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:35:53,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-19 13:35:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:35:58,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 5775 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 13:35:58,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:35:59,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:35:59,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:35:59,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:35:59,886 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:35:59,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [160027167] [2021-11-19 13:35:59,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [160027167] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:35:59,886 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:35:59,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-19 13:35:59,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462845007] [2021-11-19 13:35:59,887 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:35:59,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 13:35:59,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:35:59,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 13:35:59,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-19 13:35:59,889 INFO L87 Difference]: Start difference. First operand 17766 states and 27089 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-19 13:36:03,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:36:03,003 INFO L93 Difference]: Finished difference Result 35689 states and 54435 transitions. [2021-11-19 13:36:03,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:36:03,005 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 76 [2021-11-19 13:36:03,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:36:03,075 INFO L225 Difference]: With dead ends: 35689 [2021-11-19 13:36:03,075 INFO L226 Difference]: Without dead ends: 17929 [2021-11-19 13:36:03,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:36:03,133 INFO L933 BasicCegarLoop]: 7598 mSDtfsCounter, 99 mSDsluCounter, 30193 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 37791 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:36:03,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 37791 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 13:36:03,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17929 states. [2021-11-19 13:36:03,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17929 to 17799. [2021-11-19 13:36:03,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17799 states, 12795 states have (on average 1.4121922626025791) internal successors, (18069), 13278 states have internal predecessors, (18069), 4160 states have call successors, (4160), 883 states have call predecessors, (4160), 843 states have return successors, (4908), 3887 states have call predecessors, (4908), 4148 states have call successors, (4908) [2021-11-19 13:36:03,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17799 states to 17799 states and 27137 transitions. [2021-11-19 13:36:03,922 INFO L78 Accepts]: Start accepts. Automaton has 17799 states and 27137 transitions. Word has length 76 [2021-11-19 13:36:03,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:36:03,922 INFO L470 AbstractCegarLoop]: Abstraction has 17799 states and 27137 transitions. [2021-11-19 13:36:03,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-19 13:36:03,923 INFO L276 IsEmpty]: Start isEmpty. Operand 17799 states and 27137 transitions. [2021-11-19 13:36:03,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-19 13:36:03,925 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:36:03,925 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:36:03,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-11-19 13:36:04,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:36:04,126 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:36:04,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:36:04,126 INFO L85 PathProgramCache]: Analyzing trace with hash -535213694, now seen corresponding path program 1 times [2021-11-19 13:36:04,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:36:04,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [102795294] [2021-11-19 13:36:04,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:36:04,131 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:36:04,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:36:04,132 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:36:04,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-19 13:36:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:36:09,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 5775 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:36:09,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:36:10,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:36:10,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:36:10,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:36:10,398 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:36:10,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [102795294] [2021-11-19 13:36:10,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [102795294] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:36:10,398 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:36:10,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 13:36:10,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765359944] [2021-11-19 13:36:10,399 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:36:10,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:36:10,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:36:10,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:36:10,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:36:10,400 INFO L87 Difference]: Start difference. First operand 17799 states and 27137 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-19 13:36:12,857 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:36:13,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:36:13,900 INFO L93 Difference]: Finished difference Result 35587 states and 54938 transitions. [2021-11-19 13:36:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:36:13,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 76 [2021-11-19 13:36:13,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:36:13,997 INFO L225 Difference]: With dead ends: 35587 [2021-11-19 13:36:13,997 INFO L226 Difference]: Without dead ends: 17794 [2021-11-19 13:36:14,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:36:14,116 INFO L933 BasicCegarLoop]: 8690 mSDtfsCounter, 5473 mSDsluCounter, 7110 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5473 SdHoareTripleChecker+Valid, 15800 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:36:14,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5473 Valid, 15800 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 13:36:14,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17794 states. [2021-11-19 13:36:14,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17794 to 17764. [2021-11-19 13:36:14,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17764 states, 12779 states have (on average 1.4122388293293684) internal successors, (18047), 13259 states have internal predecessors, (18047), 4141 states have call successors, (4141), 879 states have call predecessors, (4141), 843 states have return successors, (4561), 3875 states have call predecessors, (4561), 4059 states have call successors, (4561) [2021-11-19 13:36:14,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17764 states to 17764 states and 26749 transitions. [2021-11-19 13:36:14,988 INFO L78 Accepts]: Start accepts. Automaton has 17764 states and 26749 transitions. Word has length 76 [2021-11-19 13:36:14,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:36:14,988 INFO L470 AbstractCegarLoop]: Abstraction has 17764 states and 26749 transitions. [2021-11-19 13:36:14,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-19 13:36:14,988 INFO L276 IsEmpty]: Start isEmpty. Operand 17764 states and 26749 transitions. [2021-11-19 13:36:14,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-19 13:36:14,990 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:36:14,990 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:36:15,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-19 13:36:15,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:36:15,191 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:36:15,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:36:15,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1320376291, now seen corresponding path program 1 times [2021-11-19 13:36:15,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:36:15,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [705559127] [2021-11-19 13:36:15,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:36:15,196 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:36:15,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:36:15,199 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:36:15,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-19 13:36:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:36:20,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 5778 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 13:36:20,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:36:21,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:36:21,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:36:22,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:36:22,166 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:36:22,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [705559127] [2021-11-19 13:36:22,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [705559127] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:36:22,166 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:36:22,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-19 13:36:22,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851709549] [2021-11-19 13:36:22,167 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:36:22,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:36:22,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:36:22,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:36:22,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:36:22,168 INFO L87 Difference]: Start difference. First operand 17764 states and 26749 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-19 13:36:22,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:36:22,931 INFO L93 Difference]: Finished difference Result 25581 states and 38239 transitions. [2021-11-19 13:36:22,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:36:22,932 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 1 states have call successors, (9) Word has length 80 [2021-11-19 13:36:22,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:36:22,958 INFO L225 Difference]: With dead ends: 25581 [2021-11-19 13:36:22,959 INFO L226 Difference]: Without dead ends: 7823 [2021-11-19 13:36:23,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:36:23,011 INFO L933 BasicCegarLoop]: 5058 mSDtfsCounter, 10 mSDsluCounter, 25273 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 30331 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:36:23,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 30331 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:36:23,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7823 states. [2021-11-19 13:36:23,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7823 to 7810. [2021-11-19 13:36:23,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7810 states, 5667 states have (on average 1.4060349391212281) internal successors, (7968), 5895 states have internal predecessors, (7968), 1748 states have call successors, (1748), 426 states have call predecessors, (1748), 394 states have return successors, (1755), 1599 states have call predecessors, (1755), 1669 states have call successors, (1755) [2021-11-19 13:36:23,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7810 states to 7810 states and 11471 transitions. [2021-11-19 13:36:23,386 INFO L78 Accepts]: Start accepts. Automaton has 7810 states and 11471 transitions. Word has length 80 [2021-11-19 13:36:23,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:36:23,386 INFO L470 AbstractCegarLoop]: Abstraction has 7810 states and 11471 transitions. [2021-11-19 13:36:23,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-19 13:36:23,386 INFO L276 IsEmpty]: Start isEmpty. Operand 7810 states and 11471 transitions. [2021-11-19 13:36:23,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-19 13:36:23,390 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:36:23,391 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-19 13:36:23,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-19 13:36:23,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:36:23,593 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:36:23,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:36:23,594 INFO L85 PathProgramCache]: Analyzing trace with hash -284440131, now seen corresponding path program 1 times [2021-11-19 13:36:23,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:36:23,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1852936455] [2021-11-19 13:36:23,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:36:23,600 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:36:23,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:36:23,601 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:36:23,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-19 13:36:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:36:29,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 5852 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:36:29,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:36:29,646 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-19 13:36:29,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:36:29,972 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-19 13:36:29,973 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:36:29,973 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1852936455] [2021-11-19 13:36:29,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1852936455] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:36:29,973 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:36:29,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:36:29,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692051981] [2021-11-19 13:36:29,973 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:36:29,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:36:29,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:36:29,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:36:29,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:36:29,975 INFO L87 Difference]: Start difference. First operand 7810 states and 11471 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-19 13:36:30,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:36:30,335 INFO L93 Difference]: Finished difference Result 15634 states and 22964 transitions. [2021-11-19 13:36:30,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:36:30,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 107 [2021-11-19 13:36:30,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:36:30,360 INFO L225 Difference]: With dead ends: 15634 [2021-11-19 13:36:30,360 INFO L226 Difference]: Without dead ends: 7830 [2021-11-19 13:36:30,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:36:30,381 INFO L933 BasicCegarLoop]: 5059 mSDtfsCounter, 48 mSDsluCounter, 5030 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 10089 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:36:30,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 10089 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:36:30,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7830 states. [2021-11-19 13:36:30,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7830 to 7806. [2021-11-19 13:36:30,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7806 states, 5667 states have (on average 1.405329098288336) internal successors, (7964), 5895 states have internal predecessors, (7964), 1744 states have call successors, (1744), 426 states have call predecessors, (1744), 394 states have return successors, (1751), 1595 states have call predecessors, (1751), 1665 states have call successors, (1751) [2021-11-19 13:36:30,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7806 states to 7806 states and 11459 transitions. [2021-11-19 13:36:30,696 INFO L78 Accepts]: Start accepts. Automaton has 7806 states and 11459 transitions. Word has length 107 [2021-11-19 13:36:30,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:36:30,696 INFO L470 AbstractCegarLoop]: Abstraction has 7806 states and 11459 transitions. [2021-11-19 13:36:30,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-19 13:36:30,696 INFO L276 IsEmpty]: Start isEmpty. Operand 7806 states and 11459 transitions. [2021-11-19 13:36:30,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-19 13:36:30,701 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:36:30,701 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-19 13:36:30,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-19 13:36:30,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:36:30,904 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:36:30,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:36:30,905 INFO L85 PathProgramCache]: Analyzing trace with hash -878153228, now seen corresponding path program 1 times [2021-11-19 13:36:30,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:36:30,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1344620772] [2021-11-19 13:36:30,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:36:30,910 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:36:30,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:36:30,911 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:36:30,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-19 13:36:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:36:36,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 5858 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:36:36,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:36:36,849 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-19 13:36:36,849 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:36:37,743 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-19 13:36:37,744 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:36:37,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1344620772] [2021-11-19 13:36:37,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1344620772] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:36:37,744 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:36:37,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-19 13:36:37,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931530931] [2021-11-19 13:36:37,745 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:36:37,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 13:36:37,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:36:37,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 13:36:37,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:36:37,747 INFO L87 Difference]: Start difference. First operand 7806 states and 11459 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2021-11-19 13:36:39,931 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:36:40,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:36:40,858 INFO L93 Difference]: Finished difference Result 15638 states and 23112 transitions. [2021-11-19 13:36:40,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 13:36:40,859 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 110 [2021-11-19 13:36:40,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:36:40,909 INFO L225 Difference]: With dead ends: 15638 [2021-11-19 13:36:40,909 INFO L226 Difference]: Without dead ends: 7838 [2021-11-19 13:36:40,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-19 13:36:40,944 INFO L933 BasicCegarLoop]: 5051 mSDtfsCounter, 29 mSDsluCounter, 15088 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 20139 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:36:40,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 20139 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 13:36:40,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7838 states. [2021-11-19 13:36:41,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7838 to 7814. [2021-11-19 13:36:41,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7814 states, 5673 states have (on average 1.4052529525824078) internal successors, (7972), 5903 states have internal predecessors, (7972), 1744 states have call successors, (1744), 426 states have call predecessors, (1744), 396 states have return successors, (1765), 1595 states have call predecessors, (1765), 1665 states have call successors, (1765) [2021-11-19 13:36:41,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7814 states to 7814 states and 11481 transitions. [2021-11-19 13:36:41,302 INFO L78 Accepts]: Start accepts. Automaton has 7814 states and 11481 transitions. Word has length 110 [2021-11-19 13:36:41,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:36:41,303 INFO L470 AbstractCegarLoop]: Abstraction has 7814 states and 11481 transitions. [2021-11-19 13:36:41,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2021-11-19 13:36:41,303 INFO L276 IsEmpty]: Start isEmpty. Operand 7814 states and 11481 transitions. [2021-11-19 13:36:41,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-19 13:36:41,309 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:36:41,309 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-19 13:36:41,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-19 13:36:41,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:36:41,526 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:36:41,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:36:41,527 INFO L85 PathProgramCache]: Analyzing trace with hash -372688131, now seen corresponding path program 1 times [2021-11-19 13:36:41,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:36:41,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [692666861] [2021-11-19 13:36:41,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:36:41,538 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:36:41,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:36:41,539 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:36:41,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-19 13:36:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:36:47,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 5891 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 13:36:47,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:36:47,978 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-19 13:36:47,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:36:49,174 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-19 13:36:49,174 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:36:49,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [692666861] [2021-11-19 13:36:49,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [692666861] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:36:49,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1041552621] [2021-11-19 13:36:49,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:36:49,175 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:36:49,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:36:49,177 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:36:49,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-11-19 13:36:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:36:52,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 5891 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:36:52,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:36:52,805 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-19 13:36:52,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:36:53,177 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-19 13:36:53,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1041552621] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:36:53,178 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 13:36:53,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6, 6] total 10 [2021-11-19 13:36:53,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210898693] [2021-11-19 13:36:53,178 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:36:53,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:36:53,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:36:53,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:36:53,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:36:53,180 INFO L87 Difference]: Start difference. First operand 7814 states and 11481 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-19 13:36:53,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:36:53,491 INFO L93 Difference]: Finished difference Result 7876 states and 11570 transitions. [2021-11-19 13:36:53,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:36:53,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 111 [2021-11-19 13:36:53,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:36:53,526 INFO L225 Difference]: With dead ends: 7876 [2021-11-19 13:36:53,526 INFO L226 Difference]: Without dead ends: 7870 [2021-11-19 13:36:53,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 431 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:36:53,532 INFO L933 BasicCegarLoop]: 5060 mSDtfsCounter, 18 mSDsluCounter, 5045 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 10105 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:36:53,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 10105 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:36:53,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7870 states. [2021-11-19 13:36:53,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7870 to 7846. [2021-11-19 13:36:53,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7846 states, 5705 states have (on average 1.4057843996494304) internal successors, (8020), 5935 states have internal predecessors, (8020), 1744 states have call successors, (1744), 426 states have call predecessors, (1744), 396 states have return successors, (1765), 1595 states have call predecessors, (1765), 1665 states have call successors, (1765) [2021-11-19 13:36:53,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7846 states to 7846 states and 11529 transitions. [2021-11-19 13:36:53,820 INFO L78 Accepts]: Start accepts. Automaton has 7846 states and 11529 transitions. Word has length 111 [2021-11-19 13:36:53,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:36:53,821 INFO L470 AbstractCegarLoop]: Abstraction has 7846 states and 11529 transitions. [2021-11-19 13:36:53,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-19 13:36:53,821 INFO L276 IsEmpty]: Start isEmpty. Operand 7846 states and 11529 transitions. [2021-11-19 13:36:53,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-19 13:36:53,827 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:36:53,828 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-19 13:36:53,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-19 13:36:54,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2021-11-19 13:36:54,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 13:36:54,242 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:36:54,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:36:54,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1652615525, now seen corresponding path program 1 times [2021-11-19 13:36:54,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:36:54,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908342575] [2021-11-19 13:36:54,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:36:54,248 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:36:54,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:36:54,249 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:36:54,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-19 13:37:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:37:00,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 5909 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 13:37:00,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:37:01,009 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-19 13:37:01,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:37:02,372 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-19 13:37:02,372 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:37:02,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [908342575] [2021-11-19 13:37:02,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [908342575] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:37:02,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1876984644] [2021-11-19 13:37:02,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:37:02,372 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:37:02,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:37:02,373 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:37:02,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2021-11-19 13:37:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:37:05,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 5909 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:37:05,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:37:06,517 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-19 13:37:06,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:37:07,624 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-19 13:37:07,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1876984644] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:37:07,625 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 13:37:07,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [6, 6] total 13 [2021-11-19 13:37:07,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793678759] [2021-11-19 13:37:07,625 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:37:07,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 13:37:07,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:37:07,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 13:37:07,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-11-19 13:37:07,626 INFO L87 Difference]: Start difference. First operand 7846 states and 11529 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2021-11-19 13:37:09,753 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:37:10,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:37:10,565 INFO L93 Difference]: Finished difference Result 15716 states and 23112 transitions. [2021-11-19 13:37:10,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 13:37:10,566 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 119 [2021-11-19 13:37:10,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:37:10,593 INFO L225 Difference]: With dead ends: 15716 [2021-11-19 13:37:10,593 INFO L226 Difference]: Without dead ends: 7876 [2021-11-19 13:37:10,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:37:10,613 INFO L933 BasicCegarLoop]: 5052 mSDtfsCounter, 27 mSDsluCounter, 15090 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 20142 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:37:10,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 20142 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2021-11-19 13:37:10,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7876 states. [2021-11-19 13:37:10,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7876 to 7848. [2021-11-19 13:37:10,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7848 states, 5707 states have (on average 1.4059926406167864) internal successors, (8024), 5937 states have internal predecessors, (8024), 1744 states have call successors, (1744), 426 states have call predecessors, (1744), 396 states have return successors, (1765), 1595 states have call predecessors, (1765), 1665 states have call successors, (1765) [2021-11-19 13:37:11,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7848 states to 7848 states and 11533 transitions. [2021-11-19 13:37:11,012 INFO L78 Accepts]: Start accepts. Automaton has 7848 states and 11533 transitions. Word has length 119 [2021-11-19 13:37:11,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:37:11,013 INFO L470 AbstractCegarLoop]: Abstraction has 7848 states and 11533 transitions. [2021-11-19 13:37:11,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2021-11-19 13:37:11,013 INFO L276 IsEmpty]: Start isEmpty. Operand 7848 states and 11533 transitions. [2021-11-19 13:37:11,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-19 13:37:11,018 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:37:11,019 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-19 13:37:11,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2021-11-19 13:37:11,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-19 13:37:11,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:37:11,446 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:37:11,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:37:11,447 INFO L85 PathProgramCache]: Analyzing trace with hash -483085580, now seen corresponding path program 1 times [2021-11-19 13:37:11,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:37:11,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076471987] [2021-11-19 13:37:11,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:37:11,452 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:37:11,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:37:11,453 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:37:11,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-19 13:37:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:37:17,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 5916 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 13:37:17,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:37:18,179 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-19 13:37:18,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:37:19,539 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-19 13:37:19,539 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:37:19,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2076471987] [2021-11-19 13:37:19,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2076471987] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:37:19,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1238254653] [2021-11-19 13:37:19,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:37:19,540 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:37:19,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:37:19,542 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:37:19,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2021-11-19 13:37:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:37:53,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 5916 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 13:37:53,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:37:54,021 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-19 13:37:54,021 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:37:54,816 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-19 13:37:54,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1238254653] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:37:54,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886875351] [2021-11-19 13:37:54,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:37:54,817 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 13:37:54,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:37:54,819 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 13:37:54,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-11-19 13:37:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:37:58,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 5916 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 13:37:58,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:37:59,119 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-19 13:37:59,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:37:59,915 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-19 13:37:59,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886875351] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:37:59,916 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-19 13:37:59,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 4, 4] total 13 [2021-11-19 13:37:59,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167401154] [2021-11-19 13:37:59,916 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-19 13:37:59,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 13:37:59,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:37:59,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 13:37:59,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-19 13:37:59,918 INFO L87 Difference]: Start difference. First operand 7848 states and 11533 transitions. Second operand has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 13 states have internal predecessors, (116), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-19 13:38:02,166 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:38:04,422 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:38:07,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:38:07,980 INFO L93 Difference]: Finished difference Result 15900 states and 23428 transitions. [2021-11-19 13:38:07,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 13:38:07,981 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 13 states have internal predecessors, (116), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 120 [2021-11-19 13:38:07,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:38:08,011 INFO L225 Difference]: With dead ends: 15900 [2021-11-19 13:38:08,011 INFO L226 Difference]: Without dead ends: 8058 [2021-11-19 13:38:08,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 703 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2021-11-19 13:38:08,032 INFO L933 BasicCegarLoop]: 5051 mSDtfsCounter, 151 mSDsluCounter, 40331 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 18 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 45382 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:38:08,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 45382 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 215 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2021-11-19 13:38:08,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8058 states. [2021-11-19 13:38:08,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8058 to 8020. [2021-11-19 13:38:08,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8020 states, 5879 states have (on average 1.4070420139479503) internal successors, (8272), 6109 states have internal predecessors, (8272), 1744 states have call successors, (1744), 426 states have call predecessors, (1744), 396 states have return successors, (1765), 1595 states have call predecessors, (1765), 1665 states have call successors, (1765) [2021-11-19 13:38:08,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8020 states to 8020 states and 11781 transitions. [2021-11-19 13:38:08,457 INFO L78 Accepts]: Start accepts. Automaton has 8020 states and 11781 transitions. Word has length 120 [2021-11-19 13:38:08,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:38:08,458 INFO L470 AbstractCegarLoop]: Abstraction has 8020 states and 11781 transitions. [2021-11-19 13:38:08,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 13 states have internal predecessors, (116), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-19 13:38:08,458 INFO L276 IsEmpty]: Start isEmpty. Operand 8020 states and 11781 transitions. [2021-11-19 13:38:08,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-19 13:38:08,465 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:38:08,465 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 13:38:08,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2021-11-19 13:38:08,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (24)] Ended with exit code 0 [2021-11-19 13:38:08,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2021-11-19 13:38:09,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 13:38:09,091 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:38:09,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:38:09,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1032072774, now seen corresponding path program 2 times [2021-11-19 13:38:09,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:38:09,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145005387] [2021-11-19 13:38:09,101 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 13:38:09,101 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:38:09,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:38:09,102 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:38:09,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b18c929-ba2e-4877-8659-60cc445900a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process