./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.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_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/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_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/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_a092fede-91df-4b88-9f87-a3114e689570/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 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:56:46,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:56:46,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:56:46,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:56:46,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:56:46,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:56:46,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:56:46,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:56:46,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:56:46,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:56:46,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:56:46,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:56:46,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:56:46,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:56:46,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:56:46,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:56:46,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:56:46,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:56:46,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:56:46,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:56:46,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:56:46,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:56:46,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:56:46,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:56:46,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:56:46,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:56:46,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:56:46,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:56:46,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:56:46,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:56:46,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:56:46,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:56:46,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:56:46,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:56:46,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:56:46,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:56:46,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:56:46,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:56:46,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:56:46,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:56:46,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:56:46,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:56:46,656 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:56:46,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:56:46,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:56:46,661 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:56:46,661 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:56:46,662 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:56:46,662 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:56:46,662 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:56:46,670 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:56:46,670 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:56:46,671 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:56:46,672 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:56:46,672 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:56:46,672 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:56:46,672 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:56:46,673 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:56:46,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:56:46,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:56:46,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:56:46,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:56:46,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:56:46,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:56:46,675 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:56:46,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:56:46,676 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:56:46,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:56:46,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:56:46,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:56:46,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:56:46,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:56:46,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:56:46,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:56:46,680 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:56:46,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:56:46,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:56:46,680 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:56:46,681 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:56:46,681 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_a092fede-91df-4b88-9f87-a3114e689570/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 [2021-11-19 14:56:46,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:56:46,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:56:46,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:56:46,994 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:56:46,997 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:56:46,998 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2021-11-19 14:56:47,097 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/data/17ccc3b4b/cccdd962051c4aaab2f6f95f4d338eec/FLAG9dc041e8d [2021-11-19 14:56:48,412 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:56:48,414 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2021-11-19 14:56:48,517 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/data/17ccc3b4b/cccdd962051c4aaab2f6f95f4d338eec/FLAG9dc041e8d [2021-11-19 14:56:49,013 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/data/17ccc3b4b/cccdd962051c4aaab2f6f95f4d338eec [2021-11-19 14:56:49,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:56:49,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:56:49,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:56:49,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:56:49,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:56:49,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:49" (1/1) ... [2021-11-19 14:56:49,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ed651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:49, skipping insertion in model container [2021-11-19 14:56:49,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:49" (1/1) ... [2021-11-19 14:56:49,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:56:49,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:56:52,331 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 14:56:52,355 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:52,355 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:52,364 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:52,365 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:52,365 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:52,375 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:52,375 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:52,376 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:52,376 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,168 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,173 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 14:56:53,333 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,347 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,350 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,353 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,355 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,355 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,368 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 14:56:53,381 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,393 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,407 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 14:56:53,419 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,433 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,446 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,466 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,476 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,476 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,514 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,516 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,619 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 14:56:53,630 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,652 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 14:56:53,663 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,668 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,681 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 14:56:53,700 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,700 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,766 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,770 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,787 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,787 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,800 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,805 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,815 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,848 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,849 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,850 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,851 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 14:56:53,853 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,856 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,861 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 14:56:53,861 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 14:56:53,863 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,863 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,869 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,871 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,871 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,986 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 14:56:53,987 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,989 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,990 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:53,991 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,017 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 14:56:54,018 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 14:56:54,019 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,054 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 14:56:54,055 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,055 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,101 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,102 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,103 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,131 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,132 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,132 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,146 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,146 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,147 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,207 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 14:56:54,208 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,208 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,225 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 14:56:54,226 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 14:56:54,227 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,233 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,234 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,235 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,239 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,240 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,241 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 14:56:54,246 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,248 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,249 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 14:56:54,260 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,262 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,266 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,267 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,267 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,268 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,269 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,271 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 14:56:54,273 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,333 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,345 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 14:56:54,357 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 14:56:54,370 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 14:56:54,382 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,430 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,441 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 14:56:54,452 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 14:56:54,463 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 14:56:54,477 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,488 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,499 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 14:56:54,509 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 14:56:54,520 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,531 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,546 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,571 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,587 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,600 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,601 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,617 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 14:56:54,617 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 14:56:54,630 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,644 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,656 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,668 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,679 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 14:56:54,691 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 14:56:54,703 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 14:56:54,704 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 14:56:54,722 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,736 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,747 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 14:56:54,758 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 14:56:54,769 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,770 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,770 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,789 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,801 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,827 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,830 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,837 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,846 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,847 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,853 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,858 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,862 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 14:56:54,863 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,863 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,864 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 14:56:54,864 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 14:56:54,866 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,867 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,867 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,868 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,869 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:54,870 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,824 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 14:56:55,826 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 14:56:55,827 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,827 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,828 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,829 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,829 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,830 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,830 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,830 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,831 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,831 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,831 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,832 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,832 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,836 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,836 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,838 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,839 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 14:56:55,840 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 14:56:55,841 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,842 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 14:56:55,843 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,844 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,845 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,846 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,847 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,848 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,849 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,850 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,851 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 14:56:55,853 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,853 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,854 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,855 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,857 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,857 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,859 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,860 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 14:56:55,862 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 14:56:55,862 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 14:56:55,863 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,865 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,866 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,867 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,868 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,869 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,912 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,914 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,916 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 14:56:55,920 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,921 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,921 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:55,949 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:56,005 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:56,016 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 14:56:57,101 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_a092fede-91df-4b88-9f87-a3114e689570/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2021-11-19 14:56:57,108 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_a092fede-91df-4b88-9f87-a3114e689570/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2021-11-19 14:56:57,149 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:57,149 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:56:57,155 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:56:57,250 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 14:56:57,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4b1e0da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:57, skipping insertion in model container [2021-11-19 14:56:57,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:56:57,252 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:56:57,255 INFO L158 Benchmark]: Toolchain (without parser) took 8234.83ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 63.3MB in the beginning and 52.6MB in the end (delta: 10.7MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2021-11-19 14:56:57,256 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 56.7MB in the beginning and 56.7MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:56:57,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 8231.63ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 62.9MB in the beginning and 53.6MB in the end (delta: 9.3MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2021-11-19 14:56:57,261 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 56.7MB in the beginning and 56.7MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 8231.63ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 62.9MB in the beginning and 53.6MB in the end (delta: 9.3MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6785]: 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_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/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_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/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_a092fede-91df-4b88-9f87-a3114e689570/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 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:56:59,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:56:59,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:56:59,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:56:59,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:56:59,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:56:59,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:56:59,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:56:59,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:56:59,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:56:59,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:56:59,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:56:59,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:56:59,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:56:59,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:56:59,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:56:59,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:56:59,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:56:59,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:56:59,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:56:59,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:56:59,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:56:59,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:56:59,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:56:59,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:56:59,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:56:59,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:56:59,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:56:59,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:56:59,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:56:59,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:56:59,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:56:59,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:56:59,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:56:59,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:56:59,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:56:59,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:56:59,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:56:59,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:56:59,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:56:59,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:56:59,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:56:59,910 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:56:59,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:56:59,912 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:56:59,912 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:56:59,912 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:56:59,912 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:56:59,912 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:56:59,913 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:56:59,913 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:56:59,913 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:56:59,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:56:59,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:56:59,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:56:59,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:56:59,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:56:59,915 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:56:59,915 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:56:59,915 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:56:59,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:56:59,915 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:56:59,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:56:59,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:56:59,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:56:59,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:56:59,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:56:59,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:56:59,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:56:59,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:56:59,917 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:56:59,917 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:56:59,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:56:59,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:56:59,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:56:59,918 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_a092fede-91df-4b88-9f87-a3114e689570/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 [2021-11-19 14:57:00,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:57:00,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:57:00,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:57:00,349 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:57:00,350 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:57:00,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2021-11-19 14:57:00,424 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/data/fa5f26274/c0ff73c6674d431c8cf0c6c15a8ad936/FLAG6a09e4cd0 [2021-11-19 14:57:01,690 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:57:01,691 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2021-11-19 14:57:01,775 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/data/fa5f26274/c0ff73c6674d431c8cf0c6c15a8ad936/FLAG6a09e4cd0 [2021-11-19 14:57:01,807 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/data/fa5f26274/c0ff73c6674d431c8cf0c6c15a8ad936 [2021-11-19 14:57:01,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:57:01,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:57:01,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:57:01,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:57:01,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:57:01,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:01" (1/1) ... [2021-11-19 14:57:01,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79df607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:01, skipping insertion in model container [2021-11-19 14:57:01,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:01" (1/1) ... [2021-11-19 14:57:01,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:57:02,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:57:06,690 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:57:09,673 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_a092fede-91df-4b88-9f87-a3114e689570/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2021-11-19 14:57:09,676 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_a092fede-91df-4b88-9f87-a3114e689570/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2021-11-19 14:57:09,721 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:57:09,785 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:57:09,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:57:10,707 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_a092fede-91df-4b88-9f87-a3114e689570/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2021-11-19 14:57:10,707 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_a092fede-91df-4b88-9f87-a3114e689570/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2021-11-19 14:57:10,717 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:57:10,765 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:57:11,549 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_a092fede-91df-4b88-9f87-a3114e689570/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2021-11-19 14:57:11,549 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_a092fede-91df-4b88-9f87-a3114e689570/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2021-11-19 14:57:11,558 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:57:12,122 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:57:12,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:12 WrapperNode [2021-11-19 14:57:12,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:57:12,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:57:12,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:57:12,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:57:12,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:12" (1/1) ... [2021-11-19 14:57:12,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:12" (1/1) ... [2021-11-19 14:57:12,986 INFO L137 Inliner]: procedures = 711, calls = 6945, calls flagged for inlining = 319, calls inlined = 300, statements flattened = 13125 [2021-11-19 14:57:12,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:57:12,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:57:12,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:57:12,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:57:12,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:12" (1/1) ... [2021-11-19 14:57:12,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:12" (1/1) ... [2021-11-19 14:57:13,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:12" (1/1) ... [2021-11-19 14:57:13,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:12" (1/1) ... [2021-11-19 14:57:13,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:12" (1/1) ... [2021-11-19 14:57:13,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:12" (1/1) ... [2021-11-19 14:57:13,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:12" (1/1) ... [2021-11-19 14:57:13,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:57:13,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:57:13,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:57:13,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:57:13,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:12" (1/1) ... [2021-11-19 14:57:13,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:57:13,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:57:13,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:57:13,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:57:13,975 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2021-11-19 14:57:13,975 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2021-11-19 14:57:13,975 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2021-11-19 14:57:13,976 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2021-11-19 14:57:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-19 14:57:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2021-11-19 14:57:13,976 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2021-11-19 14:57:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-19 14:57:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2021-11-19 14:57:13,977 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2021-11-19 14:57:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-19 14:57:13,977 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-19 14:57:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2021-11-19 14:57:13,978 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2021-11-19 14:57:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:57:13,978 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:57:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_85 [2021-11-19 14:57:13,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_85 [2021-11-19 14:57:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2021-11-19 14:57:13,979 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2021-11-19 14:57:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 14:57:13,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 14:57:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:57:13,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:57:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2021-11-19 14:57:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2021-11-19 14:57:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2021-11-19 14:57:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2021-11-19 14:57:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2021-11-19 14:57:13,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2021-11-19 14:57:13,981 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2021-11-19 14:57:13,981 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2021-11-19 14:57:13,981 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-11-19 14:57:13,981 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-11-19 14:57:13,981 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-11-19 14:57:13,982 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-11-19 14:57:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-19 14:57:13,982 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-19 14:57:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2021-11-19 14:57:13,982 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2021-11-19 14:57:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2021-11-19 14:57:13,983 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2021-11-19 14:57:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2021-11-19 14:57:13,983 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2021-11-19 14:57:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 14:57:13,984 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 14:57:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2021-11-19 14:57:13,984 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2021-11-19 14:57:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-19 14:57:13,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-19 14:57:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-11-19 14:57:13,985 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-11-19 14:57:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-19 14:57:13,985 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-19 14:57:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2021-11-19 14:57:13,985 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2021-11-19 14:57:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-19 14:57:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2021-11-19 14:57:13,986 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2021-11-19 14:57:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 14:57:13,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 14:57:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:57:13,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:57:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2021-11-19 14:57:13,987 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2021-11-19 14:57:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2021-11-19 14:57:13,987 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2021-11-19 14:57:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-11-19 14:57:13,988 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-11-19 14:57:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 14:57:13,988 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 14:57:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:57:13,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:57:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2021-11-19 14:57:13,989 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2021-11-19 14:57:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2021-11-19 14:57:13,989 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2021-11-19 14:57:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:57:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-19 14:57:13,990 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-19 14:57:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2021-11-19 14:57:13,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2021-11-19 14:57:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2021-11-19 14:57:13,990 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2021-11-19 14:57:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 14:57:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:57:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-19 14:57:13,991 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-19 14:57:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:57:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2021-11-19 14:57:13,992 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2021-11-19 14:57:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:57:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-19 14:57:13,992 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-19 14:57:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 14:57:13,993 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 14:57:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 14:57:13,993 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 14:57:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2021-11-19 14:57:13,993 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2021-11-19 14:57:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-19 14:57:13,994 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-19 14:57:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2021-11-19 14:57:13,994 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2021-11-19 14:57:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-19 14:57:13,994 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-19 14:57:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2021-11-19 14:57:13,995 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2021-11-19 14:57:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 14:57:13,995 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 14:57:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-19 14:57:13,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-19 14:57:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 14:57:13,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 14:57:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2021-11-19 14:57:13,996 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2021-11-19 14:57:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:57:13,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:57:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2021-11-19 14:57:13,997 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2021-11-19 14:57:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2021-11-19 14:57:13,997 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2021-11-19 14:57:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-19 14:57:13,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-19 14:57:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2021-11-19 14:57:13,998 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2021-11-19 14:57:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:57:13,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:57:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 14:57:13,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 14:57:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2021-11-19 14:57:13,999 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2021-11-19 14:57:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-19 14:57:14,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-19 14:57:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-19 14:57:14,000 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-19 14:57:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:57:14,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:57:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 14:57:14,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 14:57:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2021-11-19 14:57:14,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2021-11-19 14:57:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-19 14:57:14,001 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-19 14:57:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 14:57:14,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 14:57:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 14:57:14,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 14:57:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-19 14:57:14,002 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-19 14:57:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2021-11-19 14:57:14,003 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2021-11-19 14:57:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2021-11-19 14:57:14,003 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2021-11-19 14:57:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:57:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-19 14:57:14,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-19 14:57:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-19 14:57:14,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-19 14:57:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2021-11-19 14:57:14,004 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2021-11-19 14:57:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:57:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:57:14,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:57:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:57:14,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:57:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:57:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2021-11-19 14:57:14,006 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2021-11-19 14:57:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 14:57:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:57:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2021-11-19 14:57:14,007 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2021-11-19 14:57:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:57:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-11-19 14:57:14,007 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-11-19 14:57:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:57:14,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:57:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:57:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-19 14:57:14,008 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-19 14:57:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:57:14,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:57:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-19 14:57:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-19 14:57:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2021-11-19 14:57:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2021-11-19 14:57:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-19 14:57:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-19 14:57:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 14:57:14,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 14:57:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2021-11-19 14:57:14,010 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2021-11-19 14:57:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 14:57:14,010 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 14:57:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2021-11-19 14:57:14,011 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2021-11-19 14:57:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-19 14:57:14,011 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-19 14:57:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 14:57:14,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 14:57:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2021-11-19 14:57:14,012 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2021-11-19 14:57:14,012 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2021-11-19 14:57:14,012 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2021-11-19 14:57:14,012 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 14:57:14,012 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 14:57:14,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:57:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2021-11-19 14:57:14,013 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2021-11-19 14:57:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:57:14,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:57:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2021-11-19 14:57:14,013 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2021-11-19 14:57:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-19 14:57:14,014 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-19 14:57:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-11-19 14:57:14,014 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-11-19 14:57:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-19 14:57:14,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-19 14:57:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2021-11-19 14:57:14,015 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2021-11-19 14:57:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:57:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-19 14:57:14,015 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-19 14:57:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-19 14:57:14,016 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-19 14:57:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-11-19 14:57:14,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-11-19 14:57:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:57:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2021-11-19 14:57:14,016 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2021-11-19 14:57:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-19 14:57:14,017 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-19 14:57:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:57:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:57:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:57:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:57:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:57:14,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:57:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_aux_lock_of_airo_info [2021-11-19 14:57:14,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_aux_lock_of_airo_info [2021-11-19 14:57:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-11-19 14:57:14,019 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-11-19 14:57:14,019 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-19 14:57:14,019 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-19 14:57:14,019 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2021-11-19 14:57:14,019 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2021-11-19 14:57:14,019 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2021-11-19 14:57:14,020 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2021-11-19 14:57:14,020 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2021-11-19 14:57:14,020 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2021-11-19 14:57:14,020 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2021-11-19 14:57:14,020 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2021-11-19 14:57:14,020 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2021-11-19 14:57:14,021 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2021-11-19 14:57:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2021-11-19 14:57:14,021 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2021-11-19 14:57:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:57:14,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:57:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2021-11-19 14:57:14,022 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2021-11-19 14:57:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 14:57:14,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 14:57:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2021-11-19 14:57:14,022 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2021-11-19 14:57:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-19 14:57:14,023 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-19 14:57:14,023 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2021-11-19 14:57:14,023 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2021-11-19 14:57:14,023 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 14:57:14,023 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 14:57:14,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:57:14,023 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 14:57:14,024 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 14:57:14,024 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2021-11-19 14:57:14,024 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2021-11-19 14:57:14,024 INFO L130 BoogieDeclarations]: Found specification of procedure up [2021-11-19 14:57:14,024 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2021-11-19 14:57:14,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:57:14,025 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-19 14:57:14,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-19 14:57:14,025 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2021-11-19 14:57:14,025 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2021-11-19 14:57:14,025 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2021-11-19 14:57:14,026 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2021-11-19 14:57:14,026 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-19 14:57:14,026 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-19 14:57:14,026 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2021-11-19 14:57:14,026 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2021-11-19 14:57:14,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:57:14,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:57:14,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:57:14,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:57:14,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:57:14,027 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-19 14:57:14,027 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-19 14:57:14,028 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2021-11-19 14:57:14,028 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2021-11-19 14:57:14,028 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2021-11-19 14:57:14,028 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2021-11-19 14:57:14,028 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 14:57:14,028 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 14:57:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-19 14:57:14,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-19 14:57:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2021-11-19 14:57:14,029 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2021-11-19 14:57:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-19 14:57:14,029 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-19 14:57:14,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:57:14,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:57:14,030 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2021-11-19 14:57:14,030 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2021-11-19 14:57:14,030 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2021-11-19 14:57:14,030 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2021-11-19 14:57:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 14:57:14,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 14:57:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-19 14:57:14,031 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-19 14:57:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2021-11-19 14:57:14,031 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2021-11-19 14:57:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2021-11-19 14:57:14,032 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2021-11-19 14:57:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-19 14:57:14,032 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-19 14:57:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2021-11-19 14:57:14,032 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2021-11-19 14:57:14,033 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2021-11-19 14:57:14,033 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2021-11-19 14:57:14,033 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 14:57:14,033 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 14:57:14,033 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 14:57:14,033 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 14:57:14,034 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2021-11-19 14:57:14,034 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2021-11-19 14:57:14,034 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2021-11-19 14:57:14,034 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2021-11-19 14:57:14,034 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2021-11-19 14:57:14,035 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2021-11-19 14:57:14,035 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 14:57:14,035 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 14:57:14,035 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-19 14:57:14,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-19 14:57:14,035 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 14:57:14,036 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 14:57:14,036 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2021-11-19 14:57:14,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2021-11-19 14:57:14,036 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-19 14:57:14,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-19 14:57:14,036 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2021-11-19 14:57:14,037 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2021-11-19 14:57:14,037 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2021-11-19 14:57:14,037 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2021-11-19 14:57:14,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:57:14,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:57:14,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:57:14,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:57:14,038 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2021-11-19 14:57:14,038 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2021-11-19 14:57:14,038 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-11-19 14:57:14,038 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-11-19 14:57:14,038 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-19 14:57:14,039 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-19 14:57:14,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:57:14,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:57:14,039 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2021-11-19 14:57:14,039 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2021-11-19 14:57:14,040 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-11-19 14:57:14,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-11-19 14:57:14,040 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2021-11-19 14:57:14,040 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2021-11-19 14:57:14,040 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-19 14:57:14,040 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-19 14:57:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-19 14:57:14,041 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-19 14:57:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2021-11-19 14:57:14,041 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2021-11-19 14:57:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-19 14:57:14,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-19 14:57:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-11-19 14:57:14,042 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-11-19 14:57:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:57:14,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:57:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2021-11-19 14:57:14,042 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2021-11-19 14:57:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2021-11-19 14:57:14,043 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2021-11-19 14:57:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 14:57:14,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 14:57:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2021-11-19 14:57:14,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2021-11-19 14:57:14,044 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2021-11-19 14:57:14,044 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2021-11-19 14:57:14,044 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2021-11-19 14:57:14,044 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2021-11-19 14:57:14,044 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-19 14:57:14,044 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-19 14:57:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2021-11-19 14:57:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2021-11-19 14:57:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-11-19 14:57:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-11-19 14:57:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-19 14:57:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-19 14:57:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2021-11-19 14:57:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2021-11-19 14:57:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:57:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:57:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2021-11-19 14:57:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2021-11-19 14:57:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-19 14:57:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-19 14:57:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2021-11-19 14:57:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2021-11-19 14:57:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2021-11-19 14:57:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2021-11-19 14:57:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2021-11-19 14:57:14,048 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2021-11-19 14:57:14,048 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2021-11-19 14:57:14,048 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2021-11-19 14:57:15,743 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:57:15,763 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:57:18,468 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 15:00:12,406 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 15:00:12,439 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 15:00:12,439 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-19 15:00:12,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:00:12 BoogieIcfgContainer [2021-11-19 15:00:12,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 15:00:12,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 15:00:12,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 15:00:12,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 15:00:12,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:57:01" (1/3) ... [2021-11-19 15:00:12,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a8e62f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:00:12, skipping insertion in model container [2021-11-19 15:00:12,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:12" (2/3) ... [2021-11-19 15:00:12,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a8e62f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:00:12, skipping insertion in model container [2021-11-19 15:00:12,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:00:12" (3/3) ... [2021-11-19 15:00:12,456 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2021-11-19 15:00:12,462 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 15:00:12,462 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 15:00:12,531 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 15:00:12,537 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 15:00:12,537 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 15:00:12,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 4457 states, 2939 states have (on average 1.3171146648519905) internal successors, (3871), 3104 states have internal predecessors, (3871), 1326 states have call successors, (1326), 192 states have call predecessors, (1326), 191 states have return successors, (1313), 1250 states have call predecessors, (1313), 1313 states have call successors, (1313) [2021-11-19 15:00:12,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-19 15:00:12,775 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:00:12,777 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:00:12,777 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:00:12,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:00:12,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1915472770, now seen corresponding path program 1 times [2021-11-19 15:00:12,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:00:12,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1379045039] [2021-11-19 15:00:12,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:00:12,815 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:00:12,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:00:12,819 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:00:12,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 15:00:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:00:19,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 3902 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:00:19,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:00:22,478 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-19 15:00:22,479 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:00:23,968 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-19 15:00:23,969 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:00:23,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1379045039] [2021-11-19 15:00:23,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1379045039] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:00:23,970 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:00:23,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-19 15:00:23,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596325225] [2021-11-19 15:00:23,972 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:00:23,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:00:23,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:00:24,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:00:24,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:00:24,018 INFO L87 Difference]: Start difference. First operand has 4457 states, 2939 states have (on average 1.3171146648519905) internal successors, (3871), 3104 states have internal predecessors, (3871), 1326 states have call successors, (1326), 192 states have call predecessors, (1326), 191 states have return successors, (1313), 1250 states have call predecessors, (1313), 1313 states have call successors, (1313) Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-19 15:00:26,092 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 15:00:28,108 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:00:30,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:00:30,760 INFO L93 Difference]: Finished difference Result 11128 states and 16840 transitions. [2021-11-19 15:00:30,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:00:30,763 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 163 [2021-11-19 15:00:30,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:00:30,868 INFO L225 Difference]: With dead ends: 11128 [2021-11-19 15:00:30,869 INFO L226 Difference]: Without dead ends: 6472 [2021-11-19 15:00:30,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 15:00:30,946 INFO L933 BasicCegarLoop]: 8333 mSDtfsCounter, 3272 mSDsluCounter, 22021 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1192 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3669 SdHoareTripleChecker+Valid, 30354 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1192 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-11-19 15:00:30,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3669 Valid, 30354 Invalid, 1205 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1192 Valid, 11 Invalid, 2 Unknown, 0 Unchecked, 5.7s Time] [2021-11-19 15:00:30,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6472 states. [2021-11-19 15:00:31,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6472 to 4358. [2021-11-19 15:00:31,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4358 states, 2889 states have (on average 1.3101419176185531) internal successors, (3785), 3040 states have internal predecessors, (3785), 1278 states have call successors, (1278), 190 states have call predecessors, (1278), 190 states have return successors, (1278), 1216 states have call predecessors, (1278), 1278 states have call successors, (1278) [2021-11-19 15:00:31,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4358 states to 4358 states and 6341 transitions. [2021-11-19 15:00:31,446 INFO L78 Accepts]: Start accepts. Automaton has 4358 states and 6341 transitions. Word has length 163 [2021-11-19 15:00:31,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:00:31,448 INFO L470 AbstractCegarLoop]: Abstraction has 4358 states and 6341 transitions. [2021-11-19 15:00:31,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-19 15:00:31,448 INFO L276 IsEmpty]: Start isEmpty. Operand 4358 states and 6341 transitions. [2021-11-19 15:00:31,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-19 15:00:31,469 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:00:31,470 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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 15:00:31,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 15:00:31,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:00:31,687 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:00:31,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:00:31,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1118126149, now seen corresponding path program 1 times [2021-11-19 15:00:31,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:00:31,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2117138337] [2021-11-19 15:00:31,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:00:31,692 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:00:31,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:00:31,693 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:00:31,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 15:00:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:00:37,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 3726 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-19 15:00:37,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:00:42,359 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-19 15:00:42,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:00:49,809 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2021-11-19 15:00:49,810 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:00:49,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2117138337] [2021-11-19 15:00:49,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2117138337] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 15:00:49,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 15:00:49,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 21 [2021-11-19 15:00:49,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750636311] [2021-11-19 15:00:49,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:00:49,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 15:00:49,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:00:49,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 15:00:49,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-11-19 15:00:49,813 INFO L87 Difference]: Start difference. First operand 4358 states and 6341 transitions. Second operand has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 5 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2021-11-19 15:01:05,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:01:05,778 INFO L93 Difference]: Finished difference Result 6266 states and 9110 transitions. [2021-11-19 15:01:05,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 15:01:05,779 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 5 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) Word has length 196 [2021-11-19 15:01:05,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:01:05,822 INFO L225 Difference]: With dead ends: 6266 [2021-11-19 15:01:05,822 INFO L226 Difference]: Without dead ends: 4358 [2021-11-19 15:01:05,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=105, Invalid=597, Unknown=0, NotChecked=0, Total=702 [2021-11-19 15:01:05,840 INFO L933 BasicCegarLoop]: 6282 mSDtfsCounter, 15 mSDsluCounter, 62706 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 68988 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2021-11-19 15:01:05,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 68988 Invalid, 747 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 13.2s Time] [2021-11-19 15:01:05,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4358 states. [2021-11-19 15:01:06,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4358 to 4358. [2021-11-19 15:01:06,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4358 states, 2889 states have (on average 1.3094496365524404) internal successors, (3783), 3040 states have internal predecessors, (3783), 1278 states have call successors, (1278), 190 states have call predecessors, (1278), 190 states have return successors, (1278), 1216 states have call predecessors, (1278), 1278 states have call successors, (1278) [2021-11-19 15:01:06,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4358 states to 4358 states and 6339 transitions. [2021-11-19 15:01:06,051 INFO L78 Accepts]: Start accepts. Automaton has 4358 states and 6339 transitions. Word has length 196 [2021-11-19 15:01:06,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:01:06,052 INFO L470 AbstractCegarLoop]: Abstraction has 4358 states and 6339 transitions. [2021-11-19 15:01:06,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 5 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2021-11-19 15:01:06,052 INFO L276 IsEmpty]: Start isEmpty. Operand 4358 states and 6339 transitions. [2021-11-19 15:01:06,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-19 15:01:06,056 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:01:06,057 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:01:06,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 15:01:06,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:01:06,283 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:01:06,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:01:06,283 INFO L85 PathProgramCache]: Analyzing trace with hash 48764096, now seen corresponding path program 1 times [2021-11-19 15:01:06,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:01:06,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947056376] [2021-11-19 15:01:06,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:01:06,287 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:01:06,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:01:06,287 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:01:06,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 15:01:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:01:12,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 3902 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:01:12,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:01:14,580 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-19 15:01:14,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:01:15,913 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-19 15:01:15,913 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:01:15,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [947056376] [2021-11-19 15:01:15,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [947056376] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:01:15,914 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:01:15,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:01:15,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873575116] [2021-11-19 15:01:15,915 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:01:15,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:01:15,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:01:15,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:01:15,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:01:15,917 INFO L87 Difference]: Start difference. First operand 4358 states and 6339 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-19 15:01:17,992 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:01:18,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:01:18,203 INFO L93 Difference]: Finished difference Result 8692 states and 12649 transitions. [2021-11-19 15:01:18,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:01:18,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 163 [2021-11-19 15:01:18,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:01:18,277 INFO L225 Difference]: With dead ends: 8692 [2021-11-19 15:01:18,277 INFO L226 Difference]: Without dead ends: 4355 [2021-11-19 15:01:18,315 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:01:18,317 INFO L933 BasicCegarLoop]: 6336 mSDtfsCounter, 0 mSDsluCounter, 6332 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12668 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-19 15:01:18,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 12668 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-19 15:01:18,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4355 states. [2021-11-19 15:01:18,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4355 to 4355. [2021-11-19 15:01:18,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4355 states, 2886 states have (on average 1.3090783090783091) internal successors, (3778), 3037 states have internal predecessors, (3778), 1278 states have call successors, (1278), 190 states have call predecessors, (1278), 190 states have return successors, (1278), 1216 states have call predecessors, (1278), 1278 states have call successors, (1278) [2021-11-19 15:01:18,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4355 states to 4355 states and 6334 transitions. [2021-11-19 15:01:18,534 INFO L78 Accepts]: Start accepts. Automaton has 4355 states and 6334 transitions. Word has length 163 [2021-11-19 15:01:18,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:01:18,534 INFO L470 AbstractCegarLoop]: Abstraction has 4355 states and 6334 transitions. [2021-11-19 15:01:18,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-19 15:01:18,535 INFO L276 IsEmpty]: Start isEmpty. Operand 4355 states and 6334 transitions. [2021-11-19 15:01:18,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-19 15:01:18,538 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:01:18,538 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:01:18,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 15:01:18,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:01:18,745 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:01:18,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:01:18,745 INFO L85 PathProgramCache]: Analyzing trace with hash 2033914244, now seen corresponding path program 1 times [2021-11-19 15:01:18,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:01:18,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291416188] [2021-11-19 15:01:18,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:01:18,750 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:01:18,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:01:18,751 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:01:18,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 15:01:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:01:25,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 3902 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:01:25,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:01:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-19 15:01:27,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:01:29,135 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-19 15:01:29,135 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:01:29,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291416188] [2021-11-19 15:01:29,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291416188] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:01:29,136 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:01:29,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-19 15:01:29,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223603526] [2021-11-19 15:01:29,136 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:01:29,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:01:29,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:01:29,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:01:29,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:01:29,139 INFO L87 Difference]: Start difference. First operand 4355 states and 6334 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-19 15:01:30,393 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:01:31,926 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:01:34,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:01:34,565 INFO L93 Difference]: Finished difference Result 10773 states and 15858 transitions. [2021-11-19 15:01:34,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:01:34,566 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 163 [2021-11-19 15:01:34,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:01:34,628 INFO L225 Difference]: With dead ends: 10773 [2021-11-19 15:01:34,628 INFO L226 Difference]: Without dead ends: 6452 [2021-11-19 15:01:34,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 15:01:34,654 INFO L933 BasicCegarLoop]: 8254 mSDtfsCounter, 2913 mSDsluCounter, 21517 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3288 SdHoareTripleChecker+Valid, 29771 SdHoareTripleChecker+Invalid, 1139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1126 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-11-19 15:01:34,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3288 Valid, 29771 Invalid, 1139 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1126 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-11-19 15:01:34,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6452 states. [2021-11-19 15:01:34,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6452 to 4358. [2021-11-19 15:01:34,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4358 states, 2889 states have (on average 1.3087573554863274) internal successors, (3781), 3040 states have internal predecessors, (3781), 1278 states have call successors, (1278), 190 states have call predecessors, (1278), 190 states have return successors, (1278), 1216 states have call predecessors, (1278), 1278 states have call successors, (1278) [2021-11-19 15:01:34,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4358 states to 4358 states and 6337 transitions. [2021-11-19 15:01:34,948 INFO L78 Accepts]: Start accepts. Automaton has 4358 states and 6337 transitions. Word has length 163 [2021-11-19 15:01:34,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:01:34,949 INFO L470 AbstractCegarLoop]: Abstraction has 4358 states and 6337 transitions. [2021-11-19 15:01:34,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-19 15:01:34,950 INFO L276 IsEmpty]: Start isEmpty. Operand 4358 states and 6337 transitions. [2021-11-19 15:01:34,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-19 15:01:34,953 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:01:34,953 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:01:35,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 15:01:35,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:01:35,167 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:01:35,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:01:35,167 INFO L85 PathProgramCache]: Analyzing trace with hash 75339458, now seen corresponding path program 1 times [2021-11-19 15:01:35,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:01:35,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407060198] [2021-11-19 15:01:35,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:01:35,171 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:01:35,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:01:35,172 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:01:35,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 15:01:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:01:42,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 3902 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:01:42,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:01:44,049 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-19 15:01:44,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:01:45,200 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-19 15:01:45,200 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:01:45,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407060198] [2021-11-19 15:01:45,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [407060198] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:01:45,201 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:01:45,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:01:45,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479835448] [2021-11-19 15:01:45,201 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:01:45,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:01:45,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:01:45,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:01:45,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:01:45,203 INFO L87 Difference]: Start difference. First operand 4358 states and 6337 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-19 15:01:45,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:01:45,521 INFO L93 Difference]: Finished difference Result 8679 states and 12631 transitions. [2021-11-19 15:01:45,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:01:45,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 163 [2021-11-19 15:01:45,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:01:45,565 INFO L225 Difference]: With dead ends: 8679 [2021-11-19 15:01:45,565 INFO L226 Difference]: Without dead ends: 4355 [2021-11-19 15:01:45,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:01:45,591 INFO L933 BasicCegarLoop]: 6334 mSDtfsCounter, 0 mSDsluCounter, 12660 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18994 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 15:01:45,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 18994 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 15:01:45,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4355 states. [2021-11-19 15:01:45,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4355 to 4355. [2021-11-19 15:01:45,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4355 states, 2886 states have (on average 1.3083853083853083) internal successors, (3776), 3037 states have internal predecessors, (3776), 1278 states have call successors, (1278), 190 states have call predecessors, (1278), 190 states have return successors, (1278), 1216 states have call predecessors, (1278), 1278 states have call successors, (1278) [2021-11-19 15:01:45,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4355 states to 4355 states and 6332 transitions. [2021-11-19 15:01:45,831 INFO L78 Accepts]: Start accepts. Automaton has 4355 states and 6332 transitions. Word has length 163 [2021-11-19 15:01:45,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:01:45,832 INFO L470 AbstractCegarLoop]: Abstraction has 4355 states and 6332 transitions. [2021-11-19 15:01:45,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-19 15:01:45,832 INFO L276 IsEmpty]: Start isEmpty. Operand 4355 states and 6332 transitions. [2021-11-19 15:01:45,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-19 15:01:45,835 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:01:45,836 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:01:45,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 15:01:46,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:01:46,059 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:01:46,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:01:46,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1263180678, now seen corresponding path program 1 times [2021-11-19 15:01:46,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:01:46,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1573224382] [2021-11-19 15:01:46,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:01:46,063 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:01:46,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:01:46,063 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:01:46,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 15:01:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:01:53,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 3902 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 15:01:53,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:01:54,954 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-19 15:01:54,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:01:56,013 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-19 15:01:56,013 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:01:56,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1573224382] [2021-11-19 15:01:56,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1573224382] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:01:56,014 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:01:56,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-19 15:01:56,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909420321] [2021-11-19 15:01:56,014 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:01:56,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:01:56,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:01:56,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:01:56,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:01:56,015 INFO L87 Difference]: Start difference. First operand 4355 states and 6332 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-19 15:02:00,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:02:00,741 INFO L93 Difference]: Finished difference Result 10044 states and 14735 transitions. [2021-11-19 15:02:00,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:02:00,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 163 [2021-11-19 15:02:00,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:02:00,784 INFO L225 Difference]: With dead ends: 10044 [2021-11-19 15:02:00,784 INFO L226 Difference]: Without dead ends: 5730 [2021-11-19 15:02:00,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-19 15:02:00,812 INFO L933 BasicCegarLoop]: 7258 mSDtfsCounter, 2002 mSDsluCounter, 14001 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 378 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2481 SdHoareTripleChecker+Valid, 21259 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 378 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-19 15:02:00,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2481 Valid, 21259 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [378 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-19 15:02:00,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5730 states. [2021-11-19 15:02:01,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5730 to 4366. [2021-11-19 15:02:01,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4366 states, 2896 states have (on average 1.308011049723757) internal successors, (3788), 3047 states have internal predecessors, (3788), 1279 states have call successors, (1279), 190 states have call predecessors, (1279), 190 states have return successors, (1279), 1217 states have call predecessors, (1279), 1279 states have call successors, (1279) [2021-11-19 15:02:01,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4366 states to 4366 states and 6346 transitions. [2021-11-19 15:02:01,178 INFO L78 Accepts]: Start accepts. Automaton has 4366 states and 6346 transitions. Word has length 163 [2021-11-19 15:02:01,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:02:01,180 INFO L470 AbstractCegarLoop]: Abstraction has 4366 states and 6346 transitions. [2021-11-19 15:02:01,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-19 15:02:01,180 INFO L276 IsEmpty]: Start isEmpty. Operand 4366 states and 6346 transitions. [2021-11-19 15:02:01,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-19 15:02:01,184 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:02:01,184 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:02:01,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 15:02:01,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:02:01,411 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:02:01,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:02:01,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1345606780, now seen corresponding path program 1 times [2021-11-19 15:02:01,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:02:01,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1454613779] [2021-11-19 15:02:01,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:02:01,416 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:02:01,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:02:01,418 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:02:01,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 15:02:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:02:08,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 3904 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-19 15:02:08,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:02:10,774 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-19 15:02:10,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:02:13,297 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-19 15:02:13,297 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:02:13,298 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1454613779] [2021-11-19 15:02:13,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1454613779] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:02:13,298 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:02:13,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-19 15:02:13,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534169523] [2021-11-19 15:02:13,298 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:02:13,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 15:02:13,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:02:13,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 15:02:13,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-19 15:02:13,300 INFO L87 Difference]: Start difference. First operand 4366 states and 6346 transitions. Second operand has 10 states, 10 states have (on average 9.9) internal successors, (99), 8 states have internal predecessors, (99), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-19 15:02:16,079 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:02:18,197 WARN L515 Checker$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 15:02:18,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:02:18,617 INFO L93 Difference]: Finished difference Result 8693 states and 12655 transitions. [2021-11-19 15:02:18,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 15:02:18,619 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 8 states have internal predecessors, (99), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 2 states have call successors, (23) Word has length 163 [2021-11-19 15:02:18,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:02:18,645 INFO L225 Difference]: With dead ends: 8693 [2021-11-19 15:02:18,645 INFO L226 Difference]: Without dead ends: 4375 [2021-11-19 15:02:18,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-19 15:02:18,667 INFO L933 BasicCegarLoop]: 6331 mSDtfsCounter, 11 mSDsluCounter, 31636 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 37967 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-19 15:02:18,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 37967 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 2 Unknown, 0 Unchecked, 4.8s Time] [2021-11-19 15:02:18,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4375 states. [2021-11-19 15:02:18,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4375 to 4371. [2021-11-19 15:02:18,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4371 states, 2900 states have (on average 1.3075862068965518) internal successors, (3792), 3051 states have internal predecessors, (3792), 1279 states have call successors, (1279), 190 states have call predecessors, (1279), 191 states have return successors, (1281), 1218 states have call predecessors, (1281), 1279 states have call successors, (1281) [2021-11-19 15:02:18,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4371 states to 4371 states and 6352 transitions. [2021-11-19 15:02:18,884 INFO L78 Accepts]: Start accepts. Automaton has 4371 states and 6352 transitions. Word has length 163 [2021-11-19 15:02:18,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:02:18,885 INFO L470 AbstractCegarLoop]: Abstraction has 4371 states and 6352 transitions. [2021-11-19 15:02:18,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 8 states have internal predecessors, (99), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-19 15:02:18,886 INFO L276 IsEmpty]: Start isEmpty. Operand 4371 states and 6352 transitions. [2021-11-19 15:02:18,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-19 15:02:18,891 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:02:18,891 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:02:19,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 15:02:19,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:02:19,115 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:02:19,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:02:19,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1210976110, now seen corresponding path program 1 times [2021-11-19 15:02:19,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:02:19,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [595236048] [2021-11-19 15:02:19,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:02:19,121 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:02:19,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:02:19,124 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:02:19,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 15:02:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:02:27,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 4190 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 15:02:27,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:02:28,642 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-19 15:02:28,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:02:31,263 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-19 15:02:31,263 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:02:31,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [595236048] [2021-11-19 15:02:31,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [595236048] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:02:31,264 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:02:31,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-19 15:02:31,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631041662] [2021-11-19 15:02:31,265 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:02:31,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 15:02:31,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:02:31,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 15:02:31,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 15:02:31,267 INFO L87 Difference]: Start difference. First operand 4371 states and 6352 transitions. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-19 15:02:34,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:02:34,415 INFO L93 Difference]: Finished difference Result 8703 states and 12860 transitions. [2021-11-19 15:02:34,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 15:02:34,417 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 236 [2021-11-19 15:02:34,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:02:34,457 INFO L225 Difference]: With dead ends: 8703 [2021-11-19 15:02:34,457 INFO L226 Difference]: Without dead ends: 4378 [2021-11-19 15:02:34,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-11-19 15:02:34,487 INFO L933 BasicCegarLoop]: 6299 mSDtfsCounter, 9 mSDsluCounter, 6299 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 12598 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 15:02:34,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 12598 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 15:02:34,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2021-11-19 15:02:34,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 4378. [2021-11-19 15:02:34,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4378 states, 2906 states have (on average 1.307639366827254) internal successors, (3800), 3057 states have internal predecessors, (3800), 1279 states have call successors, (1279), 191 states have call predecessors, (1279), 192 states have return successors, (1281), 1218 states have call predecessors, (1281), 1279 states have call successors, (1281) [2021-11-19 15:02:34,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 4378 states and 6360 transitions. [2021-11-19 15:02:34,821 INFO L78 Accepts]: Start accepts. Automaton has 4378 states and 6360 transitions. Word has length 236 [2021-11-19 15:02:34,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:02:34,823 INFO L470 AbstractCegarLoop]: Abstraction has 4378 states and 6360 transitions. [2021-11-19 15:02:34,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-19 15:02:34,823 INFO L276 IsEmpty]: Start isEmpty. Operand 4378 states and 6360 transitions. [2021-11-19 15:02:34,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-19 15:02:34,828 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:02:34,829 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:02:34,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-19 15:02:35,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:02:35,055 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:02:35,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:02:35,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1057288736, now seen corresponding path program 1 times [2021-11-19 15:02:35,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:02:35,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [492290278] [2021-11-19 15:02:35,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:02:35,062 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:02:35,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:02:35,063 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:02:35,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 15:02:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:02:43,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 4016 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 15:02:43,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:02:45,037 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-19 15:02:45,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:02:48,721 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-19 15:02:48,721 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:02:48,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [492290278] [2021-11-19 15:02:48,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [492290278] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 15:02:48,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1159879669] [2021-11-19 15:02:48,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:02:48,722 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 15:02:48,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 15:02:48,729 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 15:02:48,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-19 15:02:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:02:51,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 4016 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:02:51,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:02:59,309 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-19 15:02:59,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:03:03,070 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-19 15:03:03,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1159879669] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:03:03,071 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 15:03:03,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 4] imperfect sequences [6, 6] total 13 [2021-11-19 15:03:03,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113751395] [2021-11-19 15:03:03,072 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:03:03,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:03:03,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:03:03,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:03:03,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-19 15:03:03,074 INFO L87 Difference]: Start difference. First operand 4378 states and 6360 transitions. Second operand has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 3 states have call successors, (48), 3 states have call predecessors, (48), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-19 15:03:05,678 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:03:57,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:03:57,867 INFO L93 Difference]: Finished difference Result 8708 states and 12725 transitions. [2021-11-19 15:03:57,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:03:57,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 3 states have call successors, (48), 3 states have call predecessors, (48), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 197 [2021-11-19 15:03:57,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:03:57,904 INFO L225 Difference]: With dead ends: 8708 [2021-11-19 15:03:57,904 INFO L226 Difference]: Without dead ends: 4378 [2021-11-19 15:03:57,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 784 GetRequests, 773 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-19 15:03:57,933 INFO L933 BasicCegarLoop]: 6330 mSDtfsCounter, 6236 mSDsluCounter, 3773 mSDsCounter, 0 mSdLazyCounter, 2558 mSolverCounterSat, 32 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6236 SdHoareTripleChecker+Valid, 10103 SdHoareTripleChecker+Invalid, 2591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2558 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.4s IncrementalHoareTripleChecker+Time [2021-11-19 15:03:57,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6236 Valid, 10103 Invalid, 2591 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [32 Valid, 2558 Invalid, 1 Unknown, 0 Unchecked, 54.4s Time] [2021-11-19 15:03:57,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2021-11-19 15:03:58,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 4378. [2021-11-19 15:03:58,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4378 states, 2906 states have (on average 1.3072952512044047) internal successors, (3799), 3057 states have internal predecessors, (3799), 1279 states have call successors, (1279), 191 states have call predecessors, (1279), 192 states have return successors, (1281), 1218 states have call predecessors, (1281), 1279 states have call successors, (1281) [2021-11-19 15:03:58,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 4378 states and 6359 transitions. [2021-11-19 15:03:58,314 INFO L78 Accepts]: Start accepts. Automaton has 4378 states and 6359 transitions. Word has length 197 [2021-11-19 15:03:58,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:03:58,319 INFO L470 AbstractCegarLoop]: Abstraction has 4378 states and 6359 transitions. [2021-11-19 15:03:58,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 3 states have call successors, (48), 3 states have call predecessors, (48), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-19 15:03:58,319 INFO L276 IsEmpty]: Start isEmpty. Operand 4378 states and 6359 transitions. [2021-11-19 15:03:58,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-19 15:03:58,325 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:03:58,325 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:03:58,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-19 15:03:58,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-11-19 15:03:58,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 15:03:58,747 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:03:58,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:03:58,748 INFO L85 PathProgramCache]: Analyzing trace with hash 331583894, now seen corresponding path program 1 times [2021-11-19 15:03:58,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:03:58,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [68770227] [2021-11-19 15:03:58,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:03:58,752 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:03:58,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:03:58,753 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:03:58,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-19 15:04:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:04:06,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 4201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 15:04:06,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:04:08,696 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-19 15:04:08,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:04:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-19 15:04:12,481 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:04:12,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [68770227] [2021-11-19 15:04:12,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [68770227] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 15:04:12,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1230957696] [2021-11-19 15:04:12,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:04:12,482 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 15:04:12,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 15:04:12,483 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 15:04:12,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-11-19 15:04:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:04:15,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 4201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:04:15,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:04:24,355 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2021-11-19 15:04:24,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:04:28,443 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-11-19 15:04:28,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1230957696] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:04:28,444 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 15:04:28,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 4] imperfect sequences [6, 6] total 13 [2021-11-19 15:04:28,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768988443] [2021-11-19 15:04:28,444 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:04:28,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:04:28,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:04:28,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:04:28,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-19 15:04:28,446 INFO L87 Difference]: Start difference. First operand 4378 states and 6359 transitions. Second operand has 5 states, 5 states have (on average 41.4) internal successors, (207), 5 states have internal predecessors, (207), 3 states have call successors, (51), 3 states have call predecessors, (51), 4 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) [2021-11-19 15:04:31,043 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:05:26,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:05:26,662 INFO L93 Difference]: Finished difference Result 8708 states and 12723 transitions. [2021-11-19 15:05:26,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:05:26,663 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 5 states have internal predecessors, (207), 3 states have call successors, (51), 3 states have call predecessors, (51), 4 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) Word has length 239 [2021-11-19 15:05:26,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:05:26,693 INFO L225 Difference]: With dead ends: 8708 [2021-11-19 15:05:26,693 INFO L226 Difference]: Without dead ends: 4378 [2021-11-19 15:05:26,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 952 GetRequests, 941 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-19 15:05:26,717 INFO L933 BasicCegarLoop]: 6329 mSDtfsCounter, 9908 mSDsluCounter, 3772 mSDsCounter, 0 mSdLazyCounter, 2558 mSolverCounterSat, 2542 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9908 SdHoareTripleChecker+Valid, 10101 SdHoareTripleChecker+Invalid, 5101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2542 IncrementalHoareTripleChecker+Valid, 2558 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.7s IncrementalHoareTripleChecker+Time [2021-11-19 15:05:26,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9908 Valid, 10101 Invalid, 5101 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2542 Valid, 2558 Invalid, 1 Unknown, 0 Unchecked, 57.7s Time] [2021-11-19 15:05:26,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2021-11-19 15:05:26,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 4378. [2021-11-19 15:05:26,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4378 states, 2906 states have (on average 1.3069511355815555) internal successors, (3798), 3057 states have internal predecessors, (3798), 1279 states have call successors, (1279), 191 states have call predecessors, (1279), 192 states have return successors, (1281), 1218 states have call predecessors, (1281), 1279 states have call successors, (1281) [2021-11-19 15:05:26,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 4378 states and 6358 transitions. [2021-11-19 15:05:27,001 INFO L78 Accepts]: Start accepts. Automaton has 4378 states and 6358 transitions. Word has length 239 [2021-11-19 15:05:27,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:05:27,002 INFO L470 AbstractCegarLoop]: Abstraction has 4378 states and 6358 transitions. [2021-11-19 15:05:27,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 5 states have internal predecessors, (207), 3 states have call successors, (51), 3 states have call predecessors, (51), 4 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) [2021-11-19 15:05:27,003 INFO L276 IsEmpty]: Start isEmpty. Operand 4378 states and 6358 transitions. [2021-11-19 15:05:27,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-19 15:05:27,008 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:05:27,009 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:05:27,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-19 15:05:27,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-11-19 15:05:27,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 15:05:27,435 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:05:27,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:05:27,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1730098446, now seen corresponding path program 1 times [2021-11-19 15:05:27,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:05:27,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [434300491] [2021-11-19 15:05:27,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:05:27,440 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:05:27,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:05:27,441 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:05:27,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-19 15:05:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:05:36,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 4202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 15:05:36,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:05:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-19 15:05:38,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:05:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-19 15:05:42,046 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:05:42,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [434300491] [2021-11-19 15:05:42,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [434300491] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 15:05:42,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [852852273] [2021-11-19 15:05:42,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:05:42,047 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 15:05:42,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 15:05:42,059 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 15:05:42,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-11-19 15:05:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:05:45,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 4202 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 15:05:45,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:05:55,355 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2021-11-19 15:05:55,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:06:00,052 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-11-19 15:06:00,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [852852273] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:06:00,052 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 15:06:00,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 4] imperfect sequences [6, 6] total 13 [2021-11-19 15:06:00,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345460045] [2021-11-19 15:06:00,053 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:06:00,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:06:00,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:06:00,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:06:00,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-19 15:06:00,055 INFO L87 Difference]: Start difference. First operand 4378 states and 6358 transitions. Second operand has 5 states, 5 states have (on average 41.8) internal successors, (209), 5 states have internal predecessors, (209), 3 states have call successors, (51), 3 states have call predecessors, (51), 4 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) [2021-11-19 15:06:02,785 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:07:00,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:07:00,758 INFO L93 Difference]: Finished difference Result 8708 states and 12721 transitions. [2021-11-19 15:07:00,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:07:00,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.8) internal successors, (209), 5 states have internal predecessors, (209), 3 states have call successors, (51), 3 states have call predecessors, (51), 4 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) Word has length 240 [2021-11-19 15:07:00,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:07:00,788 INFO L225 Difference]: With dead ends: 8708 [2021-11-19 15:07:00,788 INFO L226 Difference]: Without dead ends: 4378 [2021-11-19 15:07:00,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 956 GetRequests, 945 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-19 15:07:00,813 INFO L933 BasicCegarLoop]: 6328 mSDtfsCounter, 9905 mSDsluCounter, 3771 mSDsCounter, 0 mSdLazyCounter, 2558 mSolverCounterSat, 2542 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9905 SdHoareTripleChecker+Valid, 10099 SdHoareTripleChecker+Invalid, 5101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2542 IncrementalHoareTripleChecker+Valid, 2558 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.2s IncrementalHoareTripleChecker+Time [2021-11-19 15:07:00,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9905 Valid, 10099 Invalid, 5101 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2542 Valid, 2558 Invalid, 1 Unknown, 0 Unchecked, 60.2s Time] [2021-11-19 15:07:00,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2021-11-19 15:07:01,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 4378. [2021-11-19 15:07:01,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4378 states, 2906 states have (on average 1.306607019958706) internal successors, (3797), 3057 states have internal predecessors, (3797), 1279 states have call successors, (1279), 191 states have call predecessors, (1279), 192 states have return successors, (1281), 1218 states have call predecessors, (1281), 1279 states have call successors, (1281) [2021-11-19 15:07:01,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 4378 states and 6357 transitions. [2021-11-19 15:07:01,071 INFO L78 Accepts]: Start accepts. Automaton has 4378 states and 6357 transitions. Word has length 240 [2021-11-19 15:07:01,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:07:01,072 INFO L470 AbstractCegarLoop]: Abstraction has 4378 states and 6357 transitions. [2021-11-19 15:07:01,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.8) internal successors, (209), 5 states have internal predecessors, (209), 3 states have call successors, (51), 3 states have call predecessors, (51), 4 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) [2021-11-19 15:07:01,072 INFO L276 IsEmpty]: Start isEmpty. Operand 4378 states and 6357 transitions. [2021-11-19 15:07:01,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-19 15:07:01,076 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:07:01,077 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:07:01,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-11-19 15:07:01,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-11-19 15:07:01,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:07:01,492 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:07:01,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:07:01,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1030749316, now seen corresponding path program 1 times [2021-11-19 15:07:01,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:07:01,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251251452] [2021-11-19 15:07:01,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:07:01,496 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:07:01,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:07:01,499 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:07:01,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-19 15:07:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:07:08,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 4019 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 15:07:08,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:07:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-19 15:07:10,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:07:14,207 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-19 15:07:14,207 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:07:14,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [251251452] [2021-11-19 15:07:14,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [251251452] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 15:07:14,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1883507710] [2021-11-19 15:07:14,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:07:14,208 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 15:07:14,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 15:07:14,211 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 15:07:14,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-11-19 15:07:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:07:17,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 4019 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 15:07:17,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:07:24,760 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-19 15:07:24,760 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:07:28,307 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-19 15:07:28,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1883507710] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:07:28,308 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 15:07:28,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 4] imperfect sequences [6, 6] total 13 [2021-11-19 15:07:28,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075182970] [2021-11-19 15:07:28,308 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:07:28,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:07:28,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:07:28,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:07:28,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-19 15:07:28,310 INFO L87 Difference]: Start difference. First operand 4378 states and 6357 transitions. Second operand has 5 states, 5 states have (on average 39.4) internal successors, (197), 5 states have internal predecessors, (197), 3 states have call successors, (48), 3 states have call predecessors, (48), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-19 15:07:30,955 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:08:24,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:08:24,258 INFO L93 Difference]: Finished difference Result 8764 states and 12773 transitions. [2021-11-19 15:08:24,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:08:24,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.4) internal successors, (197), 5 states have internal predecessors, (197), 3 states have call successors, (48), 3 states have call predecessors, (48), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 200 [2021-11-19 15:08:24,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:08:24,285 INFO L225 Difference]: With dead ends: 8764 [2021-11-19 15:08:24,285 INFO L226 Difference]: Without dead ends: 4434 [2021-11-19 15:08:24,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 796 GetRequests, 785 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-19 15:08:24,312 INFO L933 BasicCegarLoop]: 6381 mSDtfsCounter, 6285 mSDsluCounter, 3887 mSDsCounter, 0 mSdLazyCounter, 2632 mSolverCounterSat, 34 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6285 SdHoareTripleChecker+Valid, 10268 SdHoareTripleChecker+Invalid, 2667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2632 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.5s IncrementalHoareTripleChecker+Time [2021-11-19 15:08:24,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6285 Valid, 10268 Invalid, 2667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2632 Invalid, 1 Unknown, 0 Unchecked, 55.5s Time] [2021-11-19 15:08:24,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4434 states. [2021-11-19 15:08:24,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4434 to 4434. [2021-11-19 15:08:24,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4434 states, 2944 states have (on average 1.3036684782608696) internal successors, (3838), 3095 states have internal predecessors, (3838), 1285 states have call successors, (1285), 203 states have call predecessors, (1285), 204 states have return successors, (1287), 1224 states have call predecessors, (1287), 1285 states have call successors, (1287) [2021-11-19 15:08:24,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4434 states to 4434 states and 6410 transitions. [2021-11-19 15:08:24,627 INFO L78 Accepts]: Start accepts. Automaton has 4434 states and 6410 transitions. Word has length 200 [2021-11-19 15:08:24,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:08:24,629 INFO L470 AbstractCegarLoop]: Abstraction has 4434 states and 6410 transitions. [2021-11-19 15:08:24,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.4) internal successors, (197), 5 states have internal predecessors, (197), 3 states have call successors, (48), 3 states have call predecessors, (48), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-19 15:08:24,629 INFO L276 IsEmpty]: Start isEmpty. Operand 4434 states and 6410 transitions. [2021-11-19 15:08:24,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-19 15:08:24,634 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:08:24,635 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:08:24,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-19 15:08:24,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2021-11-19 15:08:25,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 15:08:25,051 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:08:25,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:08:25,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1266178058, now seen corresponding path program 1 times [2021-11-19 15:08:25,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:08:25,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798645379] [2021-11-19 15:08:25,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:08:25,055 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:08:25,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:08:25,056 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:08:25,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-19 15:08:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:08:33,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 4204 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 15:08:33,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:08:34,900 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-19 15:08:34,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:08:38,535 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-19 15:08:38,535 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:08:38,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798645379] [2021-11-19 15:08:38,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798645379] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 15:08:38,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1464334392] [2021-11-19 15:08:38,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:08:38,536 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 15:08:38,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 15:08:38,538 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 15:08:38,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-11-19 15:08:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:08:41,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 4204 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 15:08:41,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:08:50,459 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2021-11-19 15:08:50,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:08:54,257 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-11-19 15:08:54,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1464334392] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:08:54,257 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 15:08:54,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 4] imperfect sequences [6, 6] total 13 [2021-11-19 15:08:54,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297873400] [2021-11-19 15:08:54,258 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:08:54,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:08:54,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:08:54,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:08:54,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-19 15:08:54,261 INFO L87 Difference]: Start difference. First operand 4434 states and 6410 transitions. Second operand has 5 states, 5 states have (on average 42.6) internal successors, (213), 5 states have internal predecessors, (213), 3 states have call successors, (51), 3 states have call predecessors, (51), 4 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) [2021-11-19 15:08:56,832 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:09:45,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:09:45,043 INFO L93 Difference]: Finished difference Result 8820 states and 12825 transitions. [2021-11-19 15:09:45,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:09:45,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 42.6) internal successors, (213), 5 states have internal predecessors, (213), 3 states have call successors, (51), 3 states have call predecessors, (51), 4 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) Word has length 242 [2021-11-19 15:09:45,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:09:45,070 INFO L225 Difference]: With dead ends: 8820 [2021-11-19 15:09:45,071 INFO L226 Difference]: Without dead ends: 4434 [2021-11-19 15:09:45,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 964 GetRequests, 953 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-19 15:09:45,097 INFO L933 BasicCegarLoop]: 6326 mSDtfsCounter, 6229 mSDsluCounter, 3769 mSDsCounter, 0 mSdLazyCounter, 2558 mSolverCounterSat, 32 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6229 SdHoareTripleChecker+Valid, 10095 SdHoareTripleChecker+Invalid, 2591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2558 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.3s IncrementalHoareTripleChecker+Time [2021-11-19 15:09:45,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6229 Valid, 10095 Invalid, 2591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2558 Invalid, 1 Unknown, 0 Unchecked, 50.3s Time] [2021-11-19 15:09:45,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4434 states. [2021-11-19 15:09:45,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4434 to 4434. [2021-11-19 15:09:45,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4434 states, 2944 states have (on average 1.3033288043478262) internal successors, (3837), 3095 states have internal predecessors, (3837), 1285 states have call successors, (1285), 203 states have call predecessors, (1285), 204 states have return successors, (1287), 1224 states have call predecessors, (1287), 1285 states have call successors, (1287) [2021-11-19 15:09:45,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4434 states to 4434 states and 6409 transitions. [2021-11-19 15:09:45,384 INFO L78 Accepts]: Start accepts. Automaton has 4434 states and 6409 transitions. Word has length 242 [2021-11-19 15:09:45,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:09:45,385 INFO L470 AbstractCegarLoop]: Abstraction has 4434 states and 6409 transitions. [2021-11-19 15:09:45,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 42.6) internal successors, (213), 5 states have internal predecessors, (213), 3 states have call successors, (51), 3 states have call predecessors, (51), 4 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) [2021-11-19 15:09:45,385 INFO L276 IsEmpty]: Start isEmpty. Operand 4434 states and 6409 transitions. [2021-11-19 15:09:45,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-19 15:09:45,389 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:09:45,390 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:09:45,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-19 15:09:45,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2021-11-19 15:09:45,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 15:09:45,807 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:09:45,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:09:45,807 INFO L85 PathProgramCache]: Analyzing trace with hash 981296270, now seen corresponding path program 1 times [2021-11-19 15:09:45,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:09:45,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388640816] [2021-11-19 15:09:45,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:09:45,811 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:09:45,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:09:45,812 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:09:45,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a092fede-91df-4b88-9f87-a3114e689570/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process